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 Attojoules
Convert Foot-pound (ft-lb) to Attojoule (aJ) instantly with an exact formula, conversion table, and FAQ.
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Convert foot-pounds (ft-lb) to attojoules (aJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A attojoule (aJ) is a metric-prefixed unit of energy equal to 10-18 joules, a fraction of a single joule, using the SI atto prefix.
aJ = ft-lb × 1.355817948e+18
Results update instantly for Foot-pounds to Attojoules conversions.
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Formula
aJ = ft-lb × 1.355817948e+18
ft-lb = aJ × 7.375621493e-19
Conversion table
| 1 ft-lb | 1.355818e+18 aJ |
| 5 ft-lb | 6.779090e+18 aJ |
| 10 ft-lb | 1.355818e+19 aJ |
| 20 ft-lb | 2.711636e+19 aJ |
| 50 ft-lb | 6.779090e+19 aJ |
| 100 ft-lb | 1.355818e+20 aJ |
| 500 ft-lb | 6.779090e+20 aJ |
| 1000 ft-lb | 1.355818e+21 aJ |
Related conversions
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How the formula works
Both foot-pound and attojoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in foot-pounds by 1.355817948e+18 to get attojoules. To reverse the conversion, multiply a attojoule value by 7.375621493e-19 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 Attojoule (aJ)?
A attojoule (aJ) is a metric-prefixed unit of energy equal to 10-18 joules, a fraction of a single joule, using the SI atto prefix.
How do I convert foot-pounds to attojoules?
Multiply the foot-pound value by 1.355817948e+18 to get the equivalent in attojoules. For example, 5 ft-lb × 1.355817948e+18 = 6.779090e+18 aJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.355817948e+18 is an exact, non-rounded value.
Can I convert attojoules back to foot-pounds?
Yes. Divide the attojoule value by 1.355817948e+18, or multiply it by 7.375621493e-19, to get foot-pounds.
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About converting foot-pounds to attojoules
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 attojoule (aJ) is a metric-prefixed unit of energy equal to 10-18 joules, a fraction of a single joule, using the SI atto prefix.
Use this calculator to move between foot-pounds and attojoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.