Rob van der Woude's Scripting Pages

Unit Conversion

  Usage:
Usage: Change the value in any box, then click the "Convert" button (or anywhere outside the box you just changed) or press "Tab" or "Enter" on the keyboard to recalculate the converted values.
  Note:
Note: Values are not as accurate as the number of digits might suggest.
  Disclaimer:
Disclaimer: The author cannot be held responsible for any damage caused by the use of, or the inability to use, these conversion routines.
Use these routines entirely at your own risk.

 

 

  Area  
Acre ac
Are a
Hectare ha
Square foot sq ft
Square inch sq in
  Area (cont.)  
Square kilometre km2
Square metre m2
Square mile sq mi
Square yards sq yd
   
  Distance  
Kilometres km
Miles mi
Nautical miles  
   
  Length  
Metres m
Feet/inches  
   
  Power  
Electrical horsepower hp(E)
Mechanical horsepower hp(I)
Metric horsepower hp(M)
Watt W
   
  Pressure  
Atmosphere at
Bar bar
Pascal Pa
Pound-force per square inch psi
   
  Roman Numerals
Decimal
Roman
 
  Note:
Note: "Old style" Roman numerals (e.g. IIX) will be converted to "modern style" (e.g. VIII) automatically.
  Speed  
Kilometres/hour km/h
Metres/second m/s
Miles/hour mph
Knots  
   
  Temperature  
Celsius °C
Fahrenheit °F
Kelvin K
   
  Volume  
Barrel (petroleum) bl
US fluid gallon gal
Litre l
US fluid ounce fl oz
US fluid pint pt
   
  Weight / Mass  
Troy grain  
Kilogram kg
International pound lb
Stone  
   
  Notes:
Notes: Pounds (and ounces) can be input in floating point notation or as pounds ounces/16, e.g. 2.5 pounds can be input either as 2.5 or as 2 8/16.
   
  Stones (and pounds) must be input as stones stone pounds, e.g. 18 pounds as 1 stone 4 and 28 pounds as 2 stone.