1. Convert to base units
newtons = input value x input unit factor
Every supported force unit is stored as a factor relative to newtons.
Mechanical unit converter
Force Unit Converter
Convert force units for statics, machine design, structures, hydraulics, physics, and mechanical engineering calculations.
Live force conversion
Convert force units
Enter a value, choose the starting unit, and select a target unit. The full force conversion table updates automatically.
Converted value
All units
Force conversion table
Compare the entered value across SI, imperial, gravitational, and structural force units.
Common conversions
Useful force conversion factors
| Conversion | Factor | Typical use |
|---|---|---|
| kN to lbf | lbf = kN x 224.808943 | Structures and machine design |
| lbf to N | N = lbf x 4.44822162 | Imperial to SI loads |
| kgf to N | N = kgf x 9.80665 | Gravity-based force units |
| kip to kN | kN = kip x 4.44822162 | Structural engineering |
| dyne to N | N = dyn x 1e-5 | Small force data |
| US ton-force to kN | kN = tonf x 8.89644323 | Large load estimates |
How it works
Force conversion method
2. Convert to target units
target value = base value / target unit factor
The selected result and table values are calculated from the same base value.
3. Check precision
rounding depends on scale
Very small and very large values use compact scientific notation to stay readable.
FAQ
Force converter questions
How do you convert kN to lbf?
Multiply kN by 224.808943 to convert kilonewtons to pound-force.
How do you convert lbf to newtons?
Multiply lbf by 4.448221615 to convert pound-force to newtons.
Is kilogram-force the same as kilogram mass?
No. Kilogram-force is a force based on standard gravity, while kilogram is a unit of mass.
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