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 Ergs
Convert Foot-pound (ft-lb) to Erg (erg) instantly with an exact formula, conversion table, and FAQ.
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Convert foot-pounds (ft-lb) to ergs (erg) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
An erg is the CGS (centimeter-gram-second) unit of energy, equal to one ten-millionth of a joule.
erg = ft-lb × 13558179.48
Results update instantly for Foot-pounds to Ergs conversions.
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Formula
erg = ft-lb × 13558179.48
ft-lb = erg × 7.375621493e-08
Conversion table
| 1 ft-lb | 1.355818e+07 erg |
| 5 ft-lb | 6.779090e+07 erg |
| 10 ft-lb | 1.355818e+08 erg |
| 20 ft-lb | 2.711636e+08 erg |
| 50 ft-lb | 6.779090e+08 erg |
| 100 ft-lb | 1.355818e+09 erg |
| 500 ft-lb | 6.779090e+09 erg |
| 1000 ft-lb | 1.355818e+10 erg |
Related conversions
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How the formula works
Both foot-pound and erg measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in foot-pounds by 13558179.48 to get ergs. To reverse the conversion, multiply a erg value by 7.375621493e-08 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 Erg (erg)?
An erg is the CGS (centimeter-gram-second) unit of energy, equal to one ten-millionth of a joule.
How do I convert foot-pounds to ergs?
Multiply the foot-pound value by 13558179.48 to get the equivalent in ergs. For example, 5 ft-lb × 13558179.48 = 6.779090e+07 erg.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 13558179.48 is an exact, non-rounded value.
Can I convert ergs back to foot-pounds?
Yes. Divide the erg value by 13558179.48, or multiply it by 7.375621493e-08, to get foot-pounds.
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About converting foot-pounds to ergs
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. An erg is the CGS (centimeter-gram-second) unit of energy, equal to one ten-millionth of a joule.
Use this calculator to move between foot-pounds and ergs accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.