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BTU to Foot-pound Converter

Convert BTUs to Foot-pounds

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How to Convert BTUs to Foot-pounds

To convert British Thermal Units (BTU) to foot-pounds (ft-lb), multiply the number of BTUs by 778.169. This is because 1 BTU is equal to approximately 778.169 foot-pounds.

Formula

Foot-pounds = BTUs × 778.169

or

ft-lb = BTU × 778.169

Step-by-step process

  1. Take the measurement in BTUs
  2. Multiply that number by 778.169
  3. The result is the equivalent energy in foot-pounds

Examples

  • 5 BTU = 5 × 778.169 = 3,890.85 ft-lb
  • 20 BTU = 20 × 778.169 = 15,563.4 ft-lb
  • 100 BTU = 100 × 778.169 = 77,816.9 ft-lb

Common BTUs to Foot-pounds Conversions

Here is a table of common conversions for quick reference:

BTUs Foot-pounds (ft-lb) BTUs Foot-pounds (ft-lb)
1 778.17 50 38,908.5
2 1,556.34 100 77,816.9
5 3,890.85 250 194,542
10 7,781.69 500 389,085
25 19,454.2 1,000 778,169

Other conversions from BTUs

BTUs can be converted to various other units of energy. Here are some common conversions:

Frequently Asked Questions

How many BTUs are in a foot-pound?

There are 0.00128507 BTUs in one foot-pound.