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 Megajoules
Convert Foot-pound (ft-lb) to Megajoule (MJ) instantly with an exact formula, conversion table, and FAQ.
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Convert foot-pounds (ft-lb) to megajoules (MJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A megajoule (MJ) is a metric-prefixed unit of energy equal to 106 joules, using the SI mega prefix.
MJ = ft-lb × 0.000001355817948
Results update instantly for Foot-pounds to Megajoules conversions.
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Formula
MJ = ft-lb × 0.000001355817948
ft-lb = MJ × 737562.1493
Conversion table
| 1 ft-lb | 0.000001 MJ |
| 5 ft-lb | 0.000007 MJ |
| 10 ft-lb | 0.000014 MJ |
| 20 ft-lb | 0.000027 MJ |
| 50 ft-lb | 0.000068 MJ |
| 100 ft-lb | 0.000136 MJ |
| 500 ft-lb | 0.000678 MJ |
| 1000 ft-lb | 0.001356 MJ |
Related conversions
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How the formula works
Both foot-pound and megajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in foot-pounds by 0.000001355817948 to get megajoules. To reverse the conversion, multiply a megajoule value by 737562.1493 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 Megajoule (MJ)?
A megajoule (MJ) is a metric-prefixed unit of energy equal to 106 joules, using the SI mega prefix.
How do I convert foot-pounds to megajoules?
Multiply the foot-pound value by 0.000001355817948 to get the equivalent in megajoules. For example, 5 ft-lb × 0.000001355817948 = 0.000007 MJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 0.000001355817948 is an exact, non-rounded value.
Can I convert megajoules back to foot-pounds?
Yes. Divide the megajoule value by 0.000001355817948, or multiply it by 737562.1493, to get foot-pounds.
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About converting foot-pounds to megajoules
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 megajoule (MJ) is a metric-prefixed unit of energy equal to 106 joules, using the SI mega prefix.
Use this calculator to move between foot-pounds and megajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.