Convert

Kilogram-force to Newton

Exact answer: 1 kgf = 9.80665 N (exact defined factor)

Kilogram-force and Newton describe the same quantity from the Force family but come from different systems of units. The factor is defined exactly. Force figures appear in structural analysis, mechanical engineering, materials testing and physics.

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What do you want to convert?

From1 kgf

Result9.80665 N

Factor1 kgf = 9.80665 N

Source basisBIPM SI Brochure · NIST Guide to SI Appendix B.8

Examples

011 kgf = 9.80665 N

Example value from the reference table. Internal calculation uses stored factors; display output is rounded.

02Common mistake

Force and mass are not the same. Kilogram is mass, newton is force.

03Base unit: N

1 kgf = 9.80665 N. Then the value is converted through the base unit N into Newton.

Table

Kilogram-force to Newton
Kilogram-force	Newton
1	9.80665
10	98.0665
50	490.3325
100	980.665
500	4,903.325
1,000	9,806.65

Formula

1 kgf = 9.80665 N. Then the value is converted through the base unit N into Newton.

Sources

BIPM SI BrochureSI base units, prefixes and official SI context.NIST Guide to SI Appendix B.8Alphabetical conversion factors including pressure and force units.

Related conversions

Newton to Pound-forceN → lbfForce Pound-force to Newtonlbf → NForce Kilonewton to NewtonkN → NForce Newton to KilonewtonN → kNForce

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Factor origin

Factors come from the stored source family and are not derived from rounded display values.

Rounding rule

UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.

When not to use

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.

Citation

Citation note: UnitCloud, conversion with formula, sources reviewed: September 2026. Force. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.8.

Common questions

What is the factor for Kilogram-force to Newton?

1 kgf = 9.80665 N

Which formula does Kilogram-force to Newton use?

1 kgf = 9.80665 N. Then the value is converted through the base unit N into Newton.

What is the most common mistake?

Force and mass are not the same. Kilogram is mass, newton is force.

When should I verify the result?

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.