Convert Foot Pounds to British Thermal Units

Q: How many British thermal units are in a foot pound?

There are 0.001285067 British thermal units in one foot pound.

Q: How many foot pounds are in a British thermal unit?

There are 778.169262 foot pounds in one British thermal unit.

1 foot pound = 0.001285067 British thermal units. Type any value below to convert in either direction — the calculation happens in your browser.

foot pounds

British thermal units

Foot Pounds to British Thermal Units formula

Multiply the number of foot pounds by 0.001285067 to get British thermal units.

British thermal units = foot pounds × 0.001285067

To go the other way: divide the number of British thermal units by 0.001285067, or multiply by 778.169262.

foot pounds = British thermal units ÷ 0.001285067

Foot Pounds to British Thermal Units conversion table

Foot Pounds	British Thermal Units
1 ft⋅lb	0.001285067 BTU
2 ft⋅lb	0.002570135 BTU
3 ft⋅lb	0.003855202 BTU
4 ft⋅lb	0.00514027 BTU
5 ft⋅lb	0.006425337 BTU
6 ft⋅lb	0.007710405 BTU
7 ft⋅lb	0.008995472 BTU
8 ft⋅lb	0.01028054 BTU
9 ft⋅lb	0.01156561 BTU
10 ft⋅lb	0.01285067 BTU
15 ft⋅lb	0.01927601 BTU
20 ft⋅lb	0.02570135 BTU
25 ft⋅lb	0.03212669 BTU
30 ft⋅lb	0.03855202 BTU
40 ft⋅lb	0.0514027 BTU
50 ft⋅lb	0.06425337 BTU
75 ft⋅lb	0.09638006 BTU
100 ft⋅lb	0.1285067 BTU
250 ft⋅lb	0.3212669 BTU
500 ft⋅lb	0.6425337 BTU
1,000 ft⋅lb	1.285067 BTU

British Thermal Units to Foot Pounds conversion table

British Thermal Units	Foot Pounds
1 BTU	778.169262 ft⋅lb
2 BTU	1,556.339 ft⋅lb
3 BTU	2,334.508 ft⋅lb
4 BTU	3,112.677 ft⋅lb
5 BTU	3,890.846 ft⋅lb
6 BTU	4,669.016 ft⋅lb
7 BTU	5,447.185 ft⋅lb
8 BTU	6,225.354 ft⋅lb
9 BTU	7,003.523 ft⋅lb
10 BTU	7,781.693 ft⋅lb

About the foot pound

A foot pound is the work done lifting one pound through one foot, about 1.356 joules.

About the British thermal unit

A BTU is the energy needed to raise one pound of water by one degree Fahrenheit, about 1,055 joules.

Frequently asked questions

How many British thermal units are in a foot pound?

There are 0.001285067 British thermal units in one foot pound.

How many foot pounds are in a British thermal unit?

There are 778.169262 foot pounds in one British thermal unit.

Is this conversion exact?

The ratio between the foot pound and the British thermal unit is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.

What is 10 foot pounds in British thermal units?

10 foot pounds equals 0.01285067 British thermal units.

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