⚡ ft·lb to cal — Foot-Pound to Calorie Converter

Convert energy units — joules, kilowatt-hours, calories, BTU, electron volts and more.

Formula 1 J = 0.00094781339 BTU
UnitNameValue
0.001 ft·lb0.000324049 cal
0.01 ft·lb0.00324049 cal
0.1 ft·lb0.0324049 cal
1 ft·lb0.324049 cal
5 ft·lb1.62024 cal
10 ft·lb3.24049 cal
50 ft·lb16.2024 cal
100 ft·lb32.4049 cal
1000 ft·lb324.049 cal

About Joule to BTU Conversion

The Joule (J) and the BTU (BTU) are both units of energy. Converting between them is straightforward using the formula above.

Formula: 1 J = 0.00094781339 BTU

This converter uses internationally recognized conversion factors. All calculations are performed client-side in your browser — no data is sent to any server.

Frequently Asked Questions

How do I convert Joule to BTU?

Use the converter above — enter your value in Joule and the result appears instantly in BTU. The formula is: 1 J = 0.00094781339 BTU

How many BTU are in 100 Joule?

100 J = 0.094781339 BTU

What is 1 Joule in BTU?

1 J = 0.00094781339 BTU

Is this Joule to BTU converter free?

Yes — Unitafy is completely free, requires no signup, and works instantly in your browser.

About Joule and BTU

Joule: The Joule (J) is the SI unit of energy, equal to one Newton-meter. All other energy units can be converted to Joules, making it the scientific standard.

BTU: The British Thermal Unit (BTU) equals approximately 1,055 Joules. It is used for heating and cooling systems, particularly in the United States.

About Joule and BTU

Joule

The SI unit of energy. Equal to the energy when a force of 1 newton moves 1 meter.

BTU

BTU is a unit of measurement commonly used in specific regional or technical contexts.

Common uses — Joule: Physics, thermodynamics, scientific calculations. BTU: Scientific and practical measurement applications.