A picojoule (pJ) is a metric-prefixed unit of energy equal to 10-12 joules, a fraction of a single joule, using the SI pico prefix.
Picojoules to Femtojoules
Convert Picojoule (pJ) to Femtojoule (fJ) instantly with an exact formula, conversion table, and FAQ.
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Convert picojoules (pJ) to femtojoules (fJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A femtojoule (fJ) is a metric-prefixed unit of energy equal to 10-15 joules, a fraction of a single joule, using the SI femto prefix.
fJ = pJ × 1000
Results update instantly for Picojoules to Femtojoules conversions.
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Formula
fJ = pJ × 1000
pJ = fJ × 0.001
Conversion table
| 1 pJ | 1000 fJ |
| 5 pJ | 5000 fJ |
| 10 pJ | 10000 fJ |
| 20 pJ | 20000 fJ |
| 50 pJ | 50000 fJ |
| 100 pJ | 100000 fJ |
| 500 pJ | 500000 fJ |
| 1000 pJ | 1000000 fJ |
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How the formula works
Both picojoule and femtojoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in picojoules by 1000 to get femtojoules. To reverse the conversion, multiply a femtojoule value by 0.001 to get back to picojoules.
Frequently asked questions
What is Picojoule (pJ)?
A picojoule (pJ) is a metric-prefixed unit of energy equal to 10-12 joules, a fraction of a single joule, using the SI pico prefix.
What is Femtojoule (fJ)?
A femtojoule (fJ) is a metric-prefixed unit of energy equal to 10-15 joules, a fraction of a single joule, using the SI femto prefix.
How do I convert picojoules to femtojoules?
Multiply the picojoule value by 1000 to get the equivalent in femtojoules. For example, 5 pJ × 1000 = 5000 fJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1000 is an exact, non-rounded value.
Can I convert femtojoules back to picojoules?
Yes. Divide the femtojoule value by 1000, or multiply it by 0.001, to get picojoules.
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About converting picojoules to femtojoules
A picojoule (pJ) is a metric-prefixed unit of energy equal to 10-12 joules, a fraction of a single joule, using the SI pico prefix. A femtojoule (fJ) is a metric-prefixed unit of energy equal to 10-15 joules, a fraction of a single joule, using the SI femto prefix.
Use this calculator to move between picojoules and femtojoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.