Length
[ Convert length measures ]
- Metric system (meter)
- American system (mile, furlong, yard, foot, inch)
- Astronomical system (parsec, light year, astronoical unit)
- Nautical system (nautical mile and fathom)
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Area
[ Convert area measures ]
- Metric system (square meter, hectare, are)
- American system (mile square, acre, square rod, square yard, square foot, square inch)
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Volume
[ Convert volume measures ]
- Metric system (cubic meter, liter)
- American system (acre foot, cubic yard, cubic foot, cubic inch)
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Weight
[ Convert weight measures ]
- Metric system (ton, kilogram, gram)
- Avoirdupois system (ton, hunderweight, stone, pound, ounce, dram, grain)
- Troy system (troy pound, troy ounce, pennyweight)
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Temperature
[ Convert temperature measures ]
- SI system (degrees Celsius, kelvin)
- American system (degrees farenheit)
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Pressure
[ Convert pressure measures ]
- SI system (Pascal, bar, atmosphere, millimeters mercury)
- American system (pound per square foot, inches mercury)
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Energy
[ Convert energy measures ]
- SI system (watthours, joule)
- American system (therm, british thermal unit)
- Other Units (calorie)
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Velocity
[ Convert velocity measures ]
- SI system (meters per second)
- American system (feet per hour)
- Nautical system (knots)
- Other Unit (mach)
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