Joule to Newton
Compare Joule and Newton. See why these engineering units measure different physical quantities, plus links to valid conversions.
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Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
Use the converter to see the formula.
Joule and Newton measure different quantities, so no single result applies.
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Formula
Joule (J) measures energy, while Newton (N) measures force. These are different physical quantities, so there is no single multiplication factor that converts one into the other.
J relates to its own energy base unit by a factor of 1. N relates to its own force base unit by a factor of 1.
Conversion table
| Joule (J) | 1 × energy base unit |
| Newton (N) | 1 × force base unit |
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Frequently asked questions
Can Joule be converted to Newton?
Not directly. Joule measures energy and Newton measures force. Converting between different physical quantities needs an extra physical relationship (such as area, distance, or time), not just a unit ratio.
What is Joule used for?
The Joule (J) is a unit of energy. The joule is the SI derived unit of energy.
What is Newton used for?
The Newton (N) is a unit of force. The newton is the SI unit of force.
Why does the converter show an incompatible units message?
The Universal Converter only calculates a numeric result when both units share the same physical dimension. Since Joule and Newton don't, the tool flags them as not directly compatible rather than returning a meaningless number.
What should I convert Joule to instead?
Use another energy unit, such as one of the related Joule conversions linked below.
What should I convert Newton to instead?
Use another force unit, such as one of the related Newton conversions linked below.
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About this conversion
This page compares Joule (J) and Newton (N) within the engineering converter.
The joule is the SI derived unit of energy. The newton is the SI unit of force.
Because Joule measures energy and Newton measures force, the two units are not directly convertible: there is no fixed ratio that turns one into the other without additional information.
The calculator above will report that these units are not compatible. For a working result, choose two units from the same measurement family — see the related conversions below.