Find nearby businesses, restaurants and hotels. 17 times the square root of 61: 1. ET Example: 16. For example, if a car ran the eighth mile in 6 seconds, the calculator can tell you how fast that car would have run the quarter-mile. 5. The Sailo Boat Calculator is a tool that allows you to explore, predict, and plan costs and revenues associated to boat ownership. Let's use our hydrostatic pressure calculator to estimate the. In the world of maritime and aviation navigation, precise measurements are crucial for safe and efficient travel. g. 1 metre is equal to 1. The mile of 5,280 feet is called land mile or the statute mile to distinguish it from the nautical mile (1,852 meters, about 6,076. This calculator does not add air pressure at the surface – the results are relative to the surface pressure. More than 4. Calculate the distance, fuel consumption, and cost of your next boating trip. To keep your budget under control, use the travel cost tools. Calculates the "As the Crow Flies" distance between any two places on earth. Here’s a table of a few values (h in feet, other distances in miles). Tip: To move a point or path, click and drag it. It is based on straight line distance. To calculate the radar horizon, take the height of the radar system h, and feed it into the equation: d=√ (2 × Rₑ × h), where: Rₑ is the Earth's radius; and. 10,000. Each calculator page is a self-contained JavaScript program that can be downloaded and used off-line. More information from the unit converter. Select the Marine Isodistances, choose the distance in nautical miles, write your API-Key and click on the sea. Sailing Distance Calculating Tool with support for multiple locations. Calculate ET and MPH from HP and Weight Using Quarter Mile Runs. Nautical miles. By clicking the "Swap units" icon, you will always obtain the desired conversion in the calculation result, i. Using the conversion ratio to complete the unit conversion, basically multiplying the input by 1, the m units cancel out, and we are left with ft units. survey miles. The symbol for nautical mile is M or NM or nmi. You can calculate these in knots as well. VOYAGE CALCULATOR - online tool for calculation multiple sea-distances and voyage charges. 8. On your computer, open Google Maps. With the Carbon Calculator, you can now easily keep track of your carbon footprint as part of the broader efforts to manage emissions and decarbonise supply chains. distance = speed x time. Distance & Time made simple. Sea Distance Calculator and Route Planner - VesselFinder The sea route calculator is available in both products; ShipAtlas and ShipIntel. 75 km) Portland, USMileage calculator. 5 feet) tall, the distance to the horizon is only about 2. 10. Navigators, pilots, and. 1507794480235 miles using the online calculator for metric conversions. These emissions melt this much Arctic sea ice: N/A. In this case, miles per hour = knots × 1. The first few metres can help visualise the potential effects of localised flooding and perhaps global warming. Ocean cargo prices vary depending on the time of year, the pickup and delivery countries, and the speed of delivery. [Note: The distance between cities in UK distance chart below is straight line distance (may be called as flying or air distance) between the two locations in UK calculated based on their latitudes and longitudes. Click anywhere on the map to create a path to measure. The most comprehensive CO 2 emissions calculator for transport and logistics by air, rail, road, sea and navigable waterways. 0 m/s) wave height: 3. One MET means something burns one calorie per kilogram per hour (1 kcal/kg/h), which roughly translates to the energy used when sitting still. Minimum per segment: Ticket price (in dollars): Note: These air mile distances are approximate and are based on data provided by various outside sources. A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. 62)Map Elevation Calculator. View sea level >. where (x 1, y 1) and (x 2, y 2) are the coordinates of the two points involved. OpenCPN: OpenCPN is a free and open-source chartplotter and navigation software available for various platforms, including Windows, macOS, and Linux. You can calculate the length of a path, running route, fence, border, or the perimeter of. 1 x . You can enter the depth or pressure input with most common units and it will be converted automatically. Emissions calculation for refrigerated temperature controlled/cooled freight. Weight of shipment in (kg) Cool cargo. Example 19 . It was originally intended to measure 1/60 degree of latitude. How many kilometers are in a nautical mile? Use this easy and mobile-friendly calculator to convert between nautical miles and kilometers. Preview of Nautical Sea Distance Calculator Result. You can calculate these in knots as well. FC = (SFC * HP) / FSW FC = (SFC ∗ H P)/FS W. land: Leaves and smaller twigs in constant motion. At the bottom, you can find the total distance in miles (mi) and kilometers (km). We did miles/miles per hour here. First zoom in, or enter the address of your starting point. Examples: (Executive Platinum. Choose "Calculate Time" in the calculator above; Enter 13. Search by airport name, city or IATA airport code. 40 lbs per HP. The word mile comes from the Latin phrase mille passus, meaning a thousand paces. You can improve your MPG with our eco-driving advice. My Calculator shows how many Avios and Qpoints you will collect on your trips. Duration (Time) formula. distance (ZRH to IAD) Zurich to New York distance (ZRH to JFK) Zurich to Los Angeles distance (ZRH to LAX) Zurich to Miami distance (ZRH to MIA) Zurich to Nairobi distance (ZRH to NBO) Zurich to Chicago distance (ZRH to ORD) Zurich to San Francisco distance (ZRH to SFO) United Airlines, IATA code is UA and ICAO code is. 125,000 MQMs or 140 Qualification Segments achieves Diamond Medallion status. Calculate distance. The driving distance from Dallas (DFW) to Seattle (SEA) is 2085 miles / 3355 kilometers, and travel time by car is about 37 hours 0 minutes. 00049374 nautical miles in a yard. Area = 3. org’s (Carbonfund) shipping calculator utilizes three user generated inputs to determine a unit called a ‘tonne-mile’ (e. There are 0. 1 billion distance data with (S)ECA, Weather Forecast, Piracy Alert and many other powerful functions. We assume you are converting between foot and mile [nautical, international] . Data suggests that trucks are responsible for 29. 555 to get the 1/4 mile time. This calculator will calculate the Density Altitude (DA) from the given weather conditions for your drag racing runs. Paris in France is 878Km from Berlin in Germany, although you would have to make a journey of over 1050Km to travel from one to the. For example, the highest point on earth is Mt. 7. , you're driving) is to use the Fibonacci sequence (1, 1, 2, 3, 5, 8…). There are 1. Temperature at 35000 feet : -56. 70 per mile. This blog post will provide a comprehensive guide on how to measure the length of a sea mile, using UK English. HP is the engine horsepower. A nautical mile is a non-SI unit of Length or Distance. Kilometers (km): is the unit of length equal to 1000 meters or 0. As our calculators are flexible tools, you can also convert mph to knot or any other wind speed unit. SEA DISTANCE CALCULATOR. If you take a trip that is over 500 miles, like a state to state transport , you will then look at a rate of about $1. The driving distance from Seattle (SEA) to Portland (PDX) is 162 miles / 261 kilometers, and travel time by car is about 3 hours 14 minutes. You can also compare door-to-door distances and carbon footprint between different shipping routes. 60 km) Victoria, CA; YVR Vancouver International Airport 106. This mileage calculator estimates the number of driving miles between two locations in the United States. Detailed instructions for our sailing calculator: centre the map on your desired sailing area by clicking (holding) and dragging. The sea mile is the distance of one minute of latitude arc at a given latitude and along the current meridian. 1,000,000. wind speed: 11-15 knots (5. Bering Sea and Arctic Ocean Distances . 1507794480235 miles using the online calculator for metric conversions. Elevation: --. Travelmath provides an online travel distance calculator to help you measure both flying distances and driving distances. A nautical mile or sea mile is a unit of length. Horizon Distance = √ (2 * Height * Earth’s Radius) To use the calculator, input the observer’s height above the ground and the Earth’s radius (approximately 6,371 kilometers). The Travel Time by Boat Calculator works based on the simple principle of “time equals distance divided by speed”, commonly written as T = D/S. 555 to get the 1/4 mile time. 2,700 nautical miles are equivalent to 3,107. Sailing Distance Calculating Tool with support for multiple locations. 13 miles. the elusive nautical mile) with our calculator. History/origin: The mile is an English unit (predecessor of Imperial units and United States Customary Units) of length. The Nautical Calculators can be used to solve many of the equations and conversions typically associated with marine navigation. cotangent 6. Divide the total cubic inches by 1,728 (the number of cubic inches in a cubic foot). The symbol for nautical mile is M or NM or nmi. Calorie Burning. When entering the pickup and drop-off locations, you’ll see an estimate of what your ride will cost. To convert from miles per hour to kilometers per hour: Take your speed. Hawaii (US) Distance Chart (Distance Table): For your quick reference, below is a Distance Chart or Distance Table of distances between some of the. The definition of a mile as 5,280 feet (or 8 furlongs), sometimes referred to as the statute mile, international mile, or land mile, which differs from the Roman mile of 5,000 feet, developed due to the importance of the furlong in England, back in 1593. Or use the section on driving. It includes conversions for speed and distance units. Use the Links below to select a category of. 5eMagic provides a toolset for Dungeon Masters running 5th Edition Dungeons and Dragons games. To calculate a mile per hour value to the corresponding value in nautical mile/hour, just multiply the quantity in mph by 0. Pfluid = Pressure on an object at depth. It is approximately one minute of arc measured along any meridian. We assume you are converting between step and mile . Miles you’ll earn at each Tier on Delta-marketed or – qualifying ticketed flights*: General SkyMiles Members: 5 miles for every $1. 2104. from the list. How to find the flight distance between two places? To find the flight distance between two places, please insert the locations in the control of flight distance calculator and Calculate Flight Distance to get the required results while travelling by air. Furthermore, if we take the 400 foot pace and extend it to 8 hours, we would get 192,000 feet, or 36. Here are two standard methods: Vincenty's formula (applied above) 953. Miles And Miles The familiar land mile is 5,280 feet , is called a statute mile, and it's based on paces. calculator per se, since the desired answer is calculated au-. The database uses the great circle distance and the average airspeed of a commercial airliner to figure out how long a. If the calculation cannot be done immediately, you will see the window below: Depending on the complexity of the calculation, the answer will be available in a few minutes:The sea mile is the distance of one minute of latitude arc at a given latitude and along the current meridian. m/s. It is defined as one nautical mile per hour, where a nautical mile is 1,852 meters. History of the Nautical Mile. The Horizon Distance Calculator is crucial for estimating visibility, assessing line of sight, and ensuring safety during navigation. 9. 4308. 17 is about 2. The. 75 per mile. 6. Sorted by: 18. Explore!Container shipping rates continue to fall in 2023 and are now down over 80% from their peak in September 2021. the map will automatically update to show the estimated nautical miles of the whole trip. DESCRIPTION. Transmate's freight rate management and tendering platform can be used to quickly and accurately calculate distances, costs, and CO2 for shipment. The driving distance from Seattle (SEA) to Minneapolis (MSP) is 1673 miles / 2692 kilometers, and travel time by car is about 29 hours 19 minutes. This figure equals the number of MQMs that the calculator estimates you will earn from your flight. Nautical mile (Nautical), length. UK Distance Chart (Distance Table): For your quick reference, below is a Distance Chart or Distance Table of distances between some of the major cities in UK. You can calculate things like the straight line distance between cities. You can calculate the length of a path, running route, fence, border, or the perimeter of any object that. M7 (MVP Gold 75k), MG (MVP Gold), MV (MVP. Smoke rises vertically. sea: Large wavelets. 24 mi (34. 1 metre is equal to 0. A nautical mile is based on the circumference of the Earth and is used by sea and air navigators. We'll call θ and φ to their respective latitude and longitude components. The derived unit of speed is the knot, which is one nautical mile per hour. 1Km is equivalent to 0. This principle comes from the fundamental definitions of speed and time in physics. Weather; Sea Marks; Harbours; Sport; Aerial photo; Coordinate GridCompare rates instantly with Freightquote ®. $2. 451 miles; 2331. Because the Earth being an oblate (lens-like) spheroid, the length of a nautical mile is longest at the poles and shortest at the equator; see the article Ellipsoid for more details on oblate ellipsoids. g. Later, the nautical mile was defined accurately as 1,852. The definition of a mile as 5,280 feet (or 8 furlongs), sometimes referred to as the statute mile, international mile, or land mile, which differs from the Roman mile of 5,000 feet, developed due to the importance of the furlong in England, back in 1593. So, if shipping a car 1,000 or more. See conversion tables in the latter part of this book. The nautical mile is abbreviated as M, NM, nm, or nmi. 5 mpg (miles per gallon) at MAX RPMs. But, can that number be broken down even further so that anyone can find the carbon footprint of. There are 0. It allows you to measure distances between points and plan routes accordingly. Routes are automatically saved. Kilometers to International Nautical Miles There is more than one type of Nautical Miles. There are 0. Example 15 To calculate it, follow these steps: Assume the height of your eyes to be h = 1. It is believed that the Rayleigh distribution well approximates the statistical distribution of the wave height, so if we estimate 10-meter height, it can be expected that one of the 10 waves is greater than 10. 6214 miles. Or figure out the driving time to see if you need to stop overnight at a hotel or if you can drive straight through. 5 h 5 min. 0325 = 86. 55. Statute Mile: the same as a standard mile as you would see driving a car; Nautical Mile: defined as one minute of arc along a meridian of the Earth. 2326. Kilometers conversion calculators, tables and formulas to automatically convert from other length units. 1259. Carlos and Ivan, two young employees at a customs agency, had just lost a customer who came around looking for an instant freight quote. In the world of maritime and aviation navigation, precise measurements are crucial for safe and efficient travel. Flight Routes. Weight. g. 17000+ Locations. 84 miles. 1508 land-measured (or statute) miles (1. The driving distance from Seattle (SEA) to San Antonio (SAT) is 2136 miles / 3437 kilometers, and travel time by car is. Go to Iso4app web application. For example, a 6-second 1/8 mile time would convert to a 9. R is the radius of Earth (approximately 6,371 kilometers) h denotes your height above sea level. Mati (Davao Oriental) Ilagan (Isabela) 1227. It is developed under consideration for user-friendly UX & UI to enhance efficiency of your daily work. Measurement Calculator: Velocity Conversions: Unit Converter Pro. The nautical mile (symbol nmi, M or NM) is a non-SI unit of length used in navigation (both marine and aerial). Latitudes and longitudes may. 6299213 :In addition to our wind speed converter, you can also convert distances (e. Definition: A mile (symbol: mi or m) is a unit of length in the imperial and US customary systems of measurement. Weight is as the car sits on the line: driver and gas in it. The Distance Calculator can find distance between any two cities or locations available in The World Clock. High altitude training is 8,000 to 12,000 feet. Here’s how it works: given the total distance (D) of the journey in nautical miles and the average speed (S) of. Calculating maritime shipping emissions per traded commodity. run = 200 m: Compute the ratio between rise and run: grade = rise/run = 12/200 = 0. Finding the length of a sea mile can be a tricky task. : 5280 ft / 2. Our free generators and calculators prioritize flexibility and ease-of-use for all sorts of campaigns and tables. The OOCL Carbon Calculator demonstrates OOCL’s commitment to environmental care and will help our customers achieve the lowest possible carbon footprint in their end-to-end supply chain. Enter the speed, fuel consumption, and fuel cost to determine the total cost of the trip. This tool was developed using a mapping API and. A nautical mile is a non-SI unit of Length or Distance. Enter your air temp and choose your units: The speed of sound: mph. Some boaters go as far as to develop a boat fuel consumption chart for their boat. Service usage. land: Dust and loose paper. Sailo's Boat Calculator. Add up the CO2 calculator emissions for all the trade lanes of interest. 4% of transportation carbon emissions. Conversion formula for miles per hour to kilometers per hour: Wind (km/h) = 1. The peak of Mount Everest is 8. Time difference. Thank you for your patience! motor racing calculators. Here are two standard methods: Vincenty's formula (applied above) 1448. sea mile calculator . To convert from nautical miles to miles, multiply the measurement in nm by 1. The Earth curvature calculator lets you find the distance from you to the horizon, as well as the height of an object that is partially hidden behind it. 15078 = 11. You can find out how long it will take to drive between any two cities, airports, states, countries, or zip codes. S. HP is at the crank. Award flights with both an origin and destination wholly outside the United States must be booked at least 72 hours prior to departure. Diesel = . For example, a 24:05 5K (7:45/mile) corresponds to the same level of fitness as a. This is a straightforward example, but it offers a rough price estimate for where Lyft rides may be most affordable or expensive. 9692 = 15. 8. The driving distance from Seattle (SEA) to Miami (MIA) is 3334 miles / 5366 kilometers, and travel time by car is about 59 hours 4 minutes. • Enter IATA or ICAO code for departure and arrival airports. 15 statute miles; Temperature Conversion Chart TemperatureWorld. Convert From : mi Convert. 2 = -56. DestinationThere are several ways to calculate the distance from Los Angeles to Seattle. Distance = 16. 75 miles! The Earth curves faster than most people think. 19 km) Seattle, US; YYJ Victoria International Airport 79. MET (short for Metabolic Equivalent of Task) is a unit measuring the energy an activity consumes compared to resting. Includes air line, route, centre, route planner, flight route and interactive map. Draw a radius circle around a location in Google Maps to show a distance from that point in all. Draw you flight path on a map and calculate the great circle distance in nautical miles and kilometers. The time, or more precisely, the duration of the trip, can be calculated knowing the distance and the average speed using the formula:Nautical miles are used to measure the distance traveled through the water. 15 miles. 0325 = 86. Worldwide coverage with additional option for CO 2 calculations for cool cargo. To solve for distance use the formula for distance d = st, or distance equals speed times time. Vancouver to Toronto distance (YVR–YYZ) Anchorage to Seattle distance (ANC–SEA) London to Sydney distance (LHR–SYD) Air Miles Calculator helps you calculate how many miles it is from one airport to another and provides a map, estimated flight time, time difference between cities, and estimated CO2 emissions. Alaska Airlines Mileage Plan Calculator (unofficial) The Alaska Airlines calculator tabulates your base miles, bonus miles, and segments on all Alaska or Virgin America flights. 669 nautical miles; Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet. Get Distance & Directions. Travelmath provides an online flight time calculator for all types of travel routes. There are 0. 176 kg CO2 emissions. mile/hour: 1 = 12. 15078 miles in a nautical mile. A very quick sea route calculator showing you the distance in nautical miles from any of the vessels AIS position to any port. Conversions Calculators. org’s (Carbonfund) shipping calculator utilizes three user generated inputs to determine a unit called a ‘tonne-mile’ (e. 363636 miles. Step 2: Click on “Solve” button to get the converted value. The map can be centred around any of the below starting points - click your home base and get started! :) TOP TIP: If you’re after a leisurely sailing holiday (doing 4-5. The speed is equal to 4960 ft/s this time. Here's how you do it: Simply multiply the elapsed time factor below times your ET or MPH. 962. A nautical ground mile is one nautical mile over the ground. History of the Nautical Mile. The driving distance from Spokane (GEG) to Seattle (SEA) is 283 miles / 455 kilometers, and travel time by car is about 5 hours 14 minutes. 9692 = 15. Total Miles in Difficult Terrain. At higher altitudes like Denver, golf balls can travel significantly farther. These calculations help you to easily and quickly convert chart scales, nautical and statute miles, fathoms, feet, meters, barometer pressure and more. Nautical mile (Nautical), length. Afghanistan Albania Algeria Andorra Angola Antigua and Barbuda Argentina Armenia Australia Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bhutan Bolivia Bosnia and Herzegovina Botswana Brazil Brunei Bulgaria. Nautical miles. Calculate sea route and distance for any 2 ports in the world. 85 kilometers per hour. Search! Distance = Speed X Time. Instructions. The following formula is used to calculate a boat’s fuel consumption. sine 5. Try the Advanced Google Maps Distance Calculator. Vancouver to Portland distance (YVR to PDX) Vancouver to Seattle distance (YVR to SEA) Calgary to Seattle distance (YYC to SEA) Victoria to Seattle distance (YYJ to SEA) Ixtapa to Los Angeles distance (ZIH to LAX) Manzanillo to Los Angeles distance (ZLO to LAX) Alaska Airlines, IATA code is AS and ICAO code is ASA. A nautical mile is based on the circumference of the Earth and is used by sea and air navigators. This calculator converts various nautical measurement units. The driving distance from Seattle (SEA) to New York (JFK) is 2860 miles / 4603 kilometers, and travel time by car is about 51 hours 16 minutes. Here are some fees and factors that can affect your price: *See applicable price terms in your city. Your fitness level is then converted to an equivalent 10K time, for easy comparison with other race results at different distances. extreme winds), Air Temperature, Wind. Travelmath is an online trip calculator that helps you find answers quickly. 33-second 1/4 mile time. Toronto to Philadelphia distance (YYZ to PHL) Zagreb to London distance (ZAG to LHR) Zacatecas to Dallas distance (ZCL to DFW) Ixtapa to Phoenix distance (ZIH to PHX) Zurich to New York distance (ZRH to JFK) Zurich to London distance (ZRH to LHR) Zurich to Philadelphia distance (ZRH to PHL) American Airlines, IATA code is AA and ICAO code. Solve for the distance in miles by plugging in your height of eye in feet (h) into the formula. There are several ways to calculate the distance from Anchorage to Seattle. State/Province level distance calculator: Puerto Rico Driving Distance Calculator to calculate driving distance between cities, towns or villages in Puerto Rico and Mileage Calculator, Distance Chart, Distance Map. For example, if a car ran the eighth mile in 6 seconds, the calculator can tell you how fast that car would have run the quarter-mile. Then draw a route by clicking on the starting point, followed by all the subsequent points you want to measure. km/h knot knots m/s mph Navigation sea speedThe Defense Table of Official Distances (DTOD) is the official source for worldwide distance information used by the Department of Defense (DoD). Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more! Do a quick conversion: 1 nautical miles = 1. Pace. 0 m. Calculates the speed in knots and the distance in nautical miles at shipping. Celsius. A handy trick if you don’t have a calculator to hand (e. Then enter the speed, fuel consumption, and fuel cost to determine the total cost of the trip. The answer is the cubic feet of the shipment. 6 miles, you would have to sail . Calculate the total nautical distance of your sea voyage with ease. Nautical miles. cosecant 4. A nautical mile calculator is an indispensable tool for sailors, pilots, and navigators. This altitude adjustment calculator is intended to correct for race times of non-altitude trained runners who compete at elevations between 1500 and 8000 feet above sea level in races lasting 75 seconds or longer. The symbol for nautical mile is M or NM or nmi. The angle can be found as = cos 1 R R +h so that s = R = Rcos 1 R R +h: This expression is, perhaps surprisingly, extremely close to our previous, simpler expression. Distance Between Addresses. The calories burned swimming calculator. once you are seeing your desired islands, start clicking them in the order you plan to sail. You’ll just want to make sure you convert. 60934 kilometers. On average, a pontoon boat gets around 3. 1/8 mile to 1/4 mile time conversion: Multiply the 1/8 mile time by 1. Calculate sea route and distance for any 2 ports in the world. Route information. How to choose Departure and Arrival points on the map with calculator's target buttons. 1259. Enter your route details and price per mile, and total up your distance and expenses. Assume a flat plane or the ocean. code & sources. What is a yard (yd)?Fare rate. Zurich to Washington D. 1 hours to travel the 4325 nautical miles at a speed of 45 knots. The answers below will be for at sea level and standard pressure/temperature. Airport. This is what we’ve been doing at SeaRates for many years and are now sharing with the rest of the world!Sailo's Boat Calculator. Click your route to navigate around the map - it will add up the distance as you go. To measure the distance on the google maps distance calculator tool. The SkyMiles Calculator tabulates Delta SkyMiles, Medallion Qualification Miles (MQM, Medallion Qualification Segments (MQS) for a list of airport codes. Searoutes CO 2 emissions calculator is an application to calculate your scope 3 emissions for all transport modes (sea, air, road, rail and barge). The use of the. There are 0. To find speed, time or distance, enter a value in two of the three fields, and the third will be calculated for you. The driving distance from Seattle (SEA) to Phoenix (PHX) is 1420 miles / 2286 kilometers, and travel time by car is about 26 hours 33 minutes. the UK road mileage of the journey between postcodes / towns. S. Everest, which is about 29,000 feet above sea level. Origin. Miles (mi): is also the unit of length which is rarely used and is equal to 1. The speed of sound calculator displays the speed of sound in water; it's 4672 ft/s. Calculate air miles from London to Los Angeles Show. C. h= The height of the fluid above the object or just the depth of the sea. You can calculate the length of a path, running route, fence, border, or the perimeter of. One knot is equivalent to one nautical mile per hour, which is approximately 1. Then divide both sides of the equation by m, to get the conversion ratio. This calculator may not be as accurate.