A foot-pound (ft-lb) is the work done by one pound-force acting through a distance of one foot, commonly used in mechanical and engineering calculations.
Foot-pounds to Petajoules
Convert Foot-pound (ft-lb) to Petajoule (PJ) instantly with an exact formula, conversion table, and FAQ.
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Convert foot-pounds (ft-lb) to petajoules (PJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A petajoule (PJ) is a metric-prefixed unit of energy equal to 1015 joules, using the SI peta prefix.
PJ = ft-lb × 1.355817948e-15
Results update instantly for Foot-pounds to Petajoules conversions.
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Formula
PJ = ft-lb × 1.355817948e-15
ft-lb = PJ × 737562149277265
Conversion table
| 1 ft-lb | 1.355818e-15 PJ |
| 5 ft-lb | 6.779090e-15 PJ |
| 10 ft-lb | 1.355818e-14 PJ |
| 20 ft-lb | 2.711636e-14 PJ |
| 50 ft-lb | 6.779090e-14 PJ |
| 100 ft-lb | 1.355818e-13 PJ |
| 500 ft-lb | 6.779090e-13 PJ |
| 1000 ft-lb | 1.355818e-12 PJ |
Related conversions
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How the formula works
Both foot-pound and petajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in foot-pounds by 1.355817948e-15 to get petajoules. To reverse the conversion, multiply a petajoule value by 737562149277265 to get back to foot-pounds.
Frequently asked questions
What is Foot-pound (ft-lb)?
A foot-pound (ft-lb) is the work done by one pound-force acting through a distance of one foot, commonly used in mechanical and engineering calculations.
What is Petajoule (PJ)?
A petajoule (PJ) is a metric-prefixed unit of energy equal to 1015 joules, using the SI peta prefix.
How do I convert foot-pounds to petajoules?
Multiply the foot-pound value by 1.355817948e-15 to get the equivalent in petajoules. For example, 5 ft-lb × 1.355817948e-15 = 6.779090e-15 PJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.355817948e-15 is an exact, non-rounded value.
Can I convert petajoules back to foot-pounds?
Yes. Divide the petajoule value by 1.355817948e-15, or multiply it by 737562149277265, to get foot-pounds.
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About converting foot-pounds to petajoules
A foot-pound (ft-lb) is the work done by one pound-force acting through a distance of one foot, commonly used in mechanical and engineering calculations. A petajoule (PJ) is a metric-prefixed unit of energy equal to 1015 joules, using the SI peta prefix.
Use this calculator to move between foot-pounds and petajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.