Unit Converter
Convert length, weight, temperature, area, volume, speed, power, pressure, energy, data, time and force units. 1 mile is exactly 1.609344 km. How it works
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About the Unit Converter
1 inch is exactly 2.54 cm, 1 mile is 1.609344 km, 1 pound is 0.45359237 kg and 1 US gallon is 3.785411784 liters. This unit converter uses those exact definitions for length, weight, temperature, area, volume, speed, power, pressure, energy, data, time and force, and shows results to 10 significant digits. A table under the result gives the amount in every other unit of the tab: 1 mile is 5280 ft, 1760 yd and 63360 in.
Length conversions
| Conversion | Result |
|---|---|
| 1 inch in centimeters | 2.54 cm |
| 1 foot in meters | 0.3048 m |
| 1 yard in meters | 0.9144 m |
| 1 mile in kilometers | 1.609344 km |
| 1 mile in feet | 5280 ft |
| 1 kilometer in miles | 0.6213711922 mi |
| 1 meter in feet | 3.280839895 ft |
| 1 centimeter in inches | 0.3937007874 in |
Weight and volume conversions
| Conversion | Result |
|---|---|
| 1 kilogram in pounds | 2.204622622 lb |
| 1 pound in kilograms | 0.45359237 kg |
| 1 pound in ounces | 16 oz |
| 1 ounce in grams | 28.34952313 g |
| 1 US gallon in liters | 3.785411784 L |
| 1 US gallon in US fluid ounces | 128 fl oz |
| 1 US cup in milliliters | 236.5882365 ml |
| 1 US fluid ounce in milliliters | 29.57352956 ml |
| 1 liter in US gallons | 0.2641720524 gal |
Area, speed and pressure conversions
| Conversion | Result |
|---|---|
| 1 acre in square meters | 4046.856422 m² |
| 1 acre in square feet | 43560 ft² |
| 1 square foot in square meters | 0.09290304 m² |
| 1 hectare in acres | 2.471053815 acres |
| 60 mph in km/h | 96.56064 km/h |
| 100 km/h in mph | 62.13711922 mph |
| 1 knot in km/h | 1.852 km/h |
| 1 knot in mph | 1.150779448 mph |
| 1 atm in kilopascals | 101.325 kPa |
| 1 atm in psi | 14.69594878 psi |
| 1 bar in psi | 14.50377377 psi |
| 1 psi in kilopascals | 6.894757293 kPa |
Temperature conversions
| Conversion | Result |
|---|---|
| -40 °C in Fahrenheit | -40 °F |
| 0 °C in Fahrenheit | 32 °F |
| 20 °C in Fahrenheit | 68 °F |
| 37 °C in Fahrenheit | 98.6 °F |
| 100 °C in Fahrenheit | 212 °F |
| 350 °F in Celsius | 176.6666667 °C |
| 0 K in Celsius | -273.15 °C |
Energy and data conversions
| Conversion | Result |
|---|---|
| 1 kWh in joules | 3600000 J |
| 1 kWh in BTU | 3412.141633 BTU |
| 1 kWh in kilocalories | 860.4206501 kcal |
| 1 BTU in joules | 1055.055853 J |
| 1 kcal in kilojoules | 4.184 kJ |
| 1 GB in MB | 1024 MB |
| 1 MB in KB | 1024 KB |
| 1 KB in bytes | 1024 bytes |
| 1 byte in bits | 8 bits |
Every result in these tables is the converter’s own output, to 10 significant digits and without thousands separators, as the tool shows it.
Time and force conversions
| Conversion | Result |
|---|---|
| 1 day in seconds | 86400 s |
| 1 week in hours | 168 h |
| 90 minutes in hours | 1.5 h |
| 1000000 seconds in days | 11.57407407 days |
| 1 pound-force in newtons | 4.448221615 N |
| 1 newton in pounds-force | 0.2248089431 lbf |
| 1 kilogram-force in newtons | 9.80665 N |
| 1 kilonewton in pounds-force | 224.8089431 lbf |
| 100 newtons in kilograms-force | 10.19716213 kgf |
| 1 dyne in newtons | 0.00001 N |
Every result in these tables is the converter’s own output, to 10 significant digits and without thousands separators, as the tool shows it.
Assumptions
- Gallons, quarts, pints, cups, tablespoons, teaspoons and fluid ounces are US measures (1 gallon = 231 cubic inches = 3.785411784 L). The Imperial gallon (4.54609 L) and Imperial fluid ounce are listed as separate units; Imperial pints and quarts are not.
- Feet and miles are the international ones (1 foot = 0.3048 m). The acre comes in two forms: the international acre (4,046.8564224 m²) and the US survey acre used in US land records, about 0.0004% larger.
- Pounds and ounces are avoirdupois. Troy ounces are not offered.
- Data units are binary multiples: 1 KB = 1,024 bytes and 1 GB = 1,073,741,824 bytes.
- The calorie is the thermochemical calorie (4.184 J), the kilocalorie is the food Calorie, the BTU is the International Table BTU and horsepower is mechanical horsepower.
Frequently asked questions
- How many feet are in a mile?
- 5,280 feet, which is 1,760 yards. A mile is exactly 1,609.344 meters, or 1.609344 km.
- How many centimeters are in an inch?
- Exactly 2.54 cm. That makes 1 foot 30.48 cm and 1 cm 0.3937007874 inches.
- How many pounds are in a kilogram?
- 2.204622622 lb. One pound is exactly 0.45359237 kg and holds 16 ounces of 28.34952313 g each.
- How do I convert Celsius to Fahrenheit?
- Multiply by 9/5 and add 32. 20 °C is 68 °F, 37 °C is 98.6 °F and 100 °C is 212 °F, and the two scales meet at −40. To go back, subtract 32 and multiply by 5/9: 350 °F is 176.6666667 °C.
- How many ounces are in a gallon?
- A US gallon holds 128 US fluid ounces, or 16 US cups, and equals 3.785411784 liters. One US cup is 236.5882365 ml.
- How many MB are in a GB?
- 1,024 in this converter, which uses binary multiples: 1 GB = 1,024 MB = 1,073,741,824 bytes. Storage sold in decimal units counts 1 GB as 1,000,000,000 bytes, a definition this converter does not offer.
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Convert density in kg/m³, g/cm³, g/L, lb/ft³, lb/in³, lb/gal and ton/yd³: 1 g/cm³ is 1000 kg/m³, 62.428 lb/ft³ and 8.3454 lb per US gallon.