My car manual lists engine torque in kgf·m. How do I convert to kilonewton·meters (kN·m)?

Multiply kgf·m by 0.00981 to get kN·m. Example: 20 kgf·m × 0.00981 = 0.196 kN·m. See [kilonewtons to kilogram-force]({/force/kn-to-kgf/}) for the reverse.

A hydraulic system is rated 500 kgf. What's that in modern SI units?

500 kgf × 0.00981 ≈ 4.9 kN. In newtons, that's 4,903 N. Modern engineers use kN for clarity and consistency with other construction specs.

Why do older vehicle specs still use kgf instead of kN?

Kilogram-force is intuitive (weight of 1 kg = 1 kgf). Kilonewtons are SI standard but less intuitive. Automotive still mixes both; always check the unit carefully.

A handrail requires 1.5 kN of force. How much is that in kgf?

Divide kN by 0.00981 to get kgf. 1.5 kN ÷ 0.00981 ≈ 153 kgf. Building codes sometimes mix units; conversions are essential.

Kilogram-Force to Kilonewton Converter

Enter a value to instantly convert between force units.

From

Precision4 dp

1 Kilogram-Force = 0.0098 Kilonewton

Key Formulas

Newton → Pound-Force

lbf = N × 0.224809

Pound-Force → Newton

N = lbf × 4.44822

Kilogram-Force → Newton

N = kgf × 9.80665

Newton → Kilogram-Force

kgf = N × 0.101972

Formula

kN = kgf × 0.00980665

Kilogram-force is still used in automotive and industrial specifications (torque, hydraulics); kilonewtons are the modern SI standard for structural engineering (bridge loads, crane capacity). Converting between them bridges legacy industrial specs with contemporary construction standards.

Source: NIST SP 811, Table B.8

Frequently Asked Questions

Real-World Examples

Minimal load. 1 kgf (weight of 1 kg) = 0.00981 kN, a tiny structural load.

1 kgf = 0.00981 kN

Handrail load. A 100 kgf handrail (like a building code minimum) ≈ 0.98 kN in modern units.

100 kgf = 0.981 kN

Light crane. A 500 kgf crane (safe lifting) ≈ 4.9 kN, used in small workshops.

500 kgf = 4.903 kN

Common industrial load. 1,000 kgf ≈ 9.81 kN. Often written as '10 kN nominal' in bridge specs.

1000 kgf = 9.807 kN

newtons to lbf lbf to newtons kgf to newtons newtons to kgf kn to newtons newtons to kn

Kilogram-Force to Kilonewton Converter

Key Formulas

Formula

Frequently Asked Questions

Real-World Examples

Related Converters