Incoming

News:

2008.07.15

Very small thing: the multiplication table added to site.

2008.07.10

The units of temperature converter is online now. Converts easily Kelvin, Celsius, Fahrenheit and some more.

2008.07.07

Next one ready: the cost-of-area calculator.

2008.06.09

We got GCD, so the twin time: Least Common Multiple - solve it, divide it, factorize it !

Energy

Energy units converter. Converts joules, calories, many physical, british, american and time related units.

External links:

How to convert? (fast intro)

Enter the number to field "value" - enter the NUMBER only, no other words, symbols or unit names. You can use dot (.) or comma (,) to enter fractions.
Examples:
- 1000000
- 123,23
- 999.99999
Find and select your starting unit in field "unit".
And... you got the result in the table below. You'll find several results for many different units - we show you all results we know at once. Just find the one you need.

value: unit: decimals:

British thermal unit (thermochemical)	[BTU_th]
British thermal unit (ISO)	[BTU_ISO]
British thermal unit (63 °F)	[BTU_{63 °F}]
British thermal unit (60 °F)	[BTU_{60 °F}]
British thermal unit (59 °F)	[BTU_{59 °F}]
British thermal unit (International Table)	[BTU_IT]
British thermal unit (mean)	[BTU_mean]
British thermal unit (39 °F)	[BTU₃₉]
cubic foot of atmosphere	[cu ft atm; scf]
cubic yard of atmosphere	[cu yd atm; scy]
cubic foot of natural gas
foot-poundal	[ft pdl]
foot-pound force	[ft lbf]
gallon-atmosphere (US)	[US gal atm]
gallon-atmosphere (imperial)	[imp gal atm]
inch-pound force	[in lbf]
quad
therm (U.S.)
therm (E.C.)

calorie (20 °C)	[cal_{20 °C}]
calorie (thermochemical)	[cal_th]
calorie (15 °C)	[cal_{15 °C}]
calorie (International Table)	[cal_IT]
calorie (mean)	[cal_mean]
calorie (3.98 °C)	[cal_{3.98 °C}]
kilocalorie; large calorie	[kcal; Cal]

atomic unit of energy	[au]
Celsius heat unit (International Table)	[CHU_IT]
cubic centimetre of atmosphere; standard cubic centimetre	[cc atm; scc]
electronvolt	[eV]
erg (cgs unit)	[erg]
litre-atmosphere	[l atm]
hartree	[E_h]
rydberg	[Ry]
thermie	[th]