How many kgf in 1 newton?

1 N = 0.101972 kgf. To convert, divide the newton value by 9.80665.

How many kgf is 1 kN?

1 kN = 1,000 N ÷ 9.80665 ≈ 101.97 kgf. This is a common conversion in structural engineering.

Why is standard gravity 9.80665 m/s²?

9.80665 m/s² is the defined standard acceleration of gravity used in unit conversions. Actual gravitational acceleration varies from about 9.78 m/s² at the equator to 9.83 m/s² at the poles due to Earth's shape and rotation.

Newtons to Kilogram-force Converter

1 N = 0.101972 kgf. A 1 kg object on Earth weighs 9.80665 N = 1 kgf. Divide newtons by 9.80665 to convert.

Inverse conversion

1 kgf = 9.80665 N. This is Earth's standard gravity. A 10 kgf load = 98.0665 N in structural engineering.

Kilogram-force to Newtons →

Formula

kgf = N ÷ 9.80665

Worked example

To convert 980.665 N to kgf: 980.665 ÷ 9.80665 = 100 kgf.

Quick reference table

N	kgf
1	0.101972
9.807	1.000036
50	5.098581
100	10.197162
250	25.492905
500	50.985811
980.7	100.003569
1000	101.971621
5000	509.858106

Unit definitions

Newton (N)

The newton (N) is the SI unit of force. 1 N = 1 kg·m/s².

Kilogram-force (kgf)

The kilogram-force (kgf) is the force of gravity on 1 kg of mass at standard gravity. 1 kgf = 9.80665 N.

Common use cases

Converting SI forces to kgf for legacy documents
Spring and winch capacity
Tensile testing results
Structural engineering in non-SI contexts

Newtons to Pound-force Pound-force to Newtons

Related guides

Mass vs Force: Understanding the Difference

Mass and force are often confused in everyday language — we say something 'weighs' 70 kg when technically we mean its mass is 70 kg and its weight (force) is about 686 newtons. This distinction matters in physics, engineering, and any context where gravity varies or unit systems are mixed. Understanding it also explains why the pound is one of the most ambiguous units in common use.

Frequently asked questions

← All force converters Switch to Kilogram-force to Newtons →