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 Terajoules
Convert Foot-pound (ft-lb) to Terajoule (TJ) instantly with an exact formula, conversion table, and FAQ.
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Convert foot-pounds (ft-lb) to terajoules (TJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
TJ = ft-lb × 1.355817948e-12
Results update instantly for Foot-pounds to Terajoules conversions.
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Formula
TJ = ft-lb × 1.355817948e-12
ft-lb = TJ × 737562149277
Conversion table
| 1 ft-lb | 1.355818e-12 TJ |
| 5 ft-lb | 6.779090e-12 TJ |
| 10 ft-lb | 1.355818e-11 TJ |
| 20 ft-lb | 2.711636e-11 TJ |
| 50 ft-lb | 6.779090e-11 TJ |
| 100 ft-lb | 1.355818e-10 TJ |
| 500 ft-lb | 6.779090e-10 TJ |
| 1000 ft-lb | 1.355818e-09 TJ |
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How the formula works
Both foot-pound and terajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in foot-pounds by 1.355817948e-12 to get terajoules. To reverse the conversion, multiply a terajoule value by 737562149277 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 Terajoule (TJ)?
A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
How do I convert foot-pounds to terajoules?
Multiply the foot-pound value by 1.355817948e-12 to get the equivalent in terajoules. For example, 5 ft-lb × 1.355817948e-12 = 6.779090e-12 TJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.355817948e-12 is an exact, non-rounded value.
Can I convert terajoules back to foot-pounds?
Yes. Divide the terajoule value by 1.355817948e-12, or multiply it by 737562149277, to get foot-pounds.
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About converting foot-pounds to terajoules
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 terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
Use this calculator to move between foot-pounds and terajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.