Force Converter
Newton (N)
Definition: The newton (symbol: N) is the International System of Units (SI) derived unit of force. It is defined as the force needed to accelerate one kilogram of mass at the rate of one meter per second squared.
History/origin: The unit is named after Sir Isaac Newton in recognition of his groundbreaking work on classical mechanics, specifically his second law of motion. It was formally adopted by the General Conference on Weights and Measures in 1948.
Current use: The newton is the absolute global standard for measuring force in physics, mechanical engineering, and general science.
Kilonewton (kN)
Definition: A kilonewton (symbol: kN) is a multiple of the newton, equal to 1,000 newtons.
History/origin: Following the metric prefix system, the kilonewton was adopted to express larger forces without relying on cumbersome numbers or non-standard units like tons-force.
Current use: Kilonewtons are standard in civil and structural engineering to specify the load-bearing capacity of concrete, bridges, elevators, and safety equipment like climbing ropes.
Newton (N) to Kilonewton (kN) Conversion Table
| Newton (N) [n] | Kilonewton (kN) [kn] |
|---|---|
| 0.01 n | 0.00001 kn |
| 0.1 n | 0.0001 kn |
| 1 n | 0.001 kn |
| 2 n | 0.002 kn |
| 3 n | 0.003 kn |
| 5 n | 0.005 kn |
| 10 n | 0.01 kn |
| 20 n | 0.02 kn |
| 50 n | 0.05 kn |
| 100 n | 0.1 kn |
| 1000 n | 1 kn |
How to Convert Newton (N) to Kilonewton (kN)
1 n = 0.001 kn
1 kn = 1000 n
Example: convert 15 n to kn:
15 n = 15 × 0.001 kn = 0.015 kn
Did You Know?
- Did you know? One Newton (1 N) is approximately the amount of force needed to hold a medium-sized apple (about 102 grams) against Earth's gravity!
- Kilonewtons (kN) are heavily used in rock climbing and construction. A standard climbing carabiner is rated to withstand at least 20 kN of force—enough to hold the weight of two small cars!