Search Google

	Units of Measure and Conversions Compute expressions involving different units. By default, units are converted to and results expressed in meter-kilogram-second (mks) units. Many units have both long and short names. Use whichever name you prefer.

Type of Units	Examples
Currency	Australian Dollars (AUD), British pounds (GBP), Euros, US Dollars (USD)
Mass	kilogram or kg, grams or g, grains, pounds or lbs, carats, stones, tons, tonnes
Length	meters or m, miles, feet, Angstroms, cubits, furlongs
Volume	gallons, liters or l, bushels, teaspoons, pints
Area	square kilometers, acres, hectares
Time	days, seconds or s, centuries, sidereal years, fortnights
Electricity	volts, amps, ohms, henrys
Energy	Calories, British thermal units (BTU), joules, ergs, foot-pounds
Power	watt, kilowatts, horsepower or hp
Information	bits, bytes, kbytes, etc.
Quantity	dozen, baker’s dozen, percent, gross, great gross, score, googol
Numbering systems	decimal, hexadecimal or hex, octal, binary, roman numerals, etc. Prefix hexadecimal numbers with 0x, octal numbers with 0o and binary numbers with 0b. For example: 0×7f + 0b10010101.

Here are calculations that involve units.

Convert from one set of units to another by using the notation, x units in y units.

Warning: When your query includes “Calories” with a capital “C,” Google returns kilocalories called “calories” by nutritionists.

Convert from one numbering system to another.

In many cases, you can also get the conversion factor between units:

METRICation.US