Work from one pound-force over one foot.
Foot-pounds to Hectojoules Converter — ft-lb to hJ
Convert Foot-pound (ft-lb) to Hectojoule (hJ) using the exact conversion factor (1 foot-pound = 0.0135581795 hectojoule). See the formula, worked examples, and conversion table.
Foot-pounds to Hectojoules converter
Converter
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Context values
Some unit families need one extra value for a physically accurate result.
Hectojoule is 100 joule units.
Result = input x 1.355817948 / 100.
Energy uses the joule as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Foot-pounds to Hectojoules
Foot-pound and Hectojoule both measure energy, and the conversion is especially useful for comparing nutrition labels (kilocalories) against scientific energy figures (joules). Specifically: Work from one pound-force over one foot, and hectojoule is 100 joule units.
Formula
hectojoules = foot-pounds × 0.0135581794833
This factor comes from each unit's defined relationship to the category's base unit: 1 foot-pound equals 1.35581794833 base units, and 1 hectojoule equals 100 base units, so dividing one by the other gives the direct foot-pound-to-hectojoule factor of 0.0135581794833.
Simple example
1 ft-lb × 0.01355817948 = 0.0135581795 hJ
1 foot-pound = 0.0135581795 hectojoules.
Real-world example
100 ft-lb × 0.01355817948 = 1.355817948 hJ
100 foot-pounds = 1.355817948 hectojoules.
Conversion table
| Foot-pound (ft-lb) | Hectojoule (hJ) |
|---|---|
| 1 ft-lb | 0.0135581795 hJ |
| 10 ft-lb | 0.1355817948 hJ |
| 100 ft-lb | 1.355817948 hJ |
| 500 ft-lb | 6.779089742 hJ |
| 1,000 ft-lb | 13.55817948 hJ |
| 2,000 ft-lb | 27.11635897 hJ |
Reverse conversion: Hectojoule to Foot-pound
0.0135581795 hJ × 73.75621493 = 1.000000001 ft-lb
0.0135581795 hectojoules = 1.000000001 foot-pounds.
foot-pounds = hectojoules × 73.7562149277
For a page dedicated to this direction, see Hectojoule to Foot-pound.
Understanding the Foot-pound (ft-lb)
Work from one pound-force over one foot.
Understanding the Hectojoule (hJ)
Hectojoule is 100 joule units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectojoules are in 1 foot-pound?
1 foot-pound equals 0.0135581795 hectojoules, using the exact defined conversion factor rather than an estimate.
How do I convert foot-pound to hectojoule?
Multiply the foot-pound value by 0.01355817948. The converter above does this instantly to whatever precision you set.
How do I convert hectojoule back to foot-pound?
Use the reverse factor: 1 hectojoule equals 73.75621493 foot-pounds. You can also use the swap control in the converter above to flip the direction instantly.
What is a foot-pound?
Foot-pound (ft-lb) is a unit of energy.
What is a hectojoule?
Hectojoule (hJ) is a unit of energy.
Is the foot-pound to hectojoule conversion exact?
Yes. Both foot-pound and hectojoule are defined by fixed standards rather than physical artifacts, so the factor of 0.01355817948 used above is exact to as many digits as you choose to display.