Work from one pound-force over one foot.
Foot-pounds to Picojoules Converter — ft-lb to pJ
Convert Foot-pound (ft-lb) to Picojoule (pJ) using the exact conversion factor (1 foot-pound = 1.355818e+12 picojoule). See the formula, worked examples, and conversion table.
Foot-pounds to Picojoules converter
Converter
Energy Converter
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Context values
Some unit families need one extra value for a physically accurate result.
Picojoule is 1e-12 joule units.
Result = input x 1.355817948 / 1e-12.
Energy uses the joule as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Foot-pounds to Picojoules
Foot-pound and Picojoule 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 picojoule is 1e-12 joule units.
Formula
picojoules = foot-pounds × 1.355818e+12
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 picojoule equals 1e-12 base units, so dividing one by the other gives the direct foot-pound-to-picojoule factor of 1.355818e+12.
Simple example
1 ft-lb × 1.355818e+12 = 1.355818e+12 pJ
1 foot-pound = 1.355818e+12 picojoules.
Real-world example
100 ft-lb × 1.355818e+12 = 1.355818e+14 pJ
100 foot-pounds = 1.355818e+14 picojoules.
Conversion table
| Foot-pound (ft-lb) | Picojoule (pJ) |
|---|---|
| 1 ft-lb | 1.355818e+12 pJ |
| 10 ft-lb | 1.355818e+13 pJ |
| 100 ft-lb | 1.355818e+14 pJ |
| 500 ft-lb | 6.77909e+14 pJ |
| 1,000 ft-lb | 1.355818e+15 pJ |
| 2,000 ft-lb | 2.711636e+15 pJ |
Reverse conversion: Picojoule to Foot-pound
1.355818e+12 pJ × 7.375621e-13 = 1.000000038 ft-lb
1.355818e+12 picojoules = 1.000000038 foot-pounds.
foot-pounds = picojoules × 7.375621e-13
For a page dedicated to this direction, see Picojoule to Foot-pound.
Understanding the Foot-pound (ft-lb)
Work from one pound-force over one foot.
Understanding the Picojoule (pJ)
Picojoule is 1e-12 joule units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picojoules are in 1 foot-pound?
1 foot-pound equals 1.355818e+12 picojoules, using the exact defined conversion factor rather than an estimate.
How do I convert foot-pound to picojoule?
Multiply the foot-pound value by 1.355818e+12. The converter above does this instantly to whatever precision you set.
How do I convert picojoule back to foot-pound?
Use the reverse factor: 1 picojoule equals 7.375621e-13 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 picojoule?
Picojoule (pJ) is a unit of energy.
Is the foot-pound to picojoule conversion exact?
Yes. Both foot-pound and picojoule are defined by fixed standards rather than physical artifacts, so the factor of 1.355818e+12 used above is exact to as many digits as you choose to display.