Tonne-force (metric) to Kilonewton Converter
1 tonne-force is exactly 9.80665 kilonewtons. Convert tonnes-force (tf) to kilonewtons (kN) below: type a value and the result updates as you type.
tf to kN calculator
Result
Tonne-force (metric) to Kilonewton conversion
1 tf = 9.80665 kNone tonne-force in kilonewtons
1 kN ≈ 0.1019716213 tfone kilonewton in tonnes-force
Tonne-force (metric) (tf): Force of standard gravity on one metric tonne: exactly 9806.65 newtons.
Kilonewton (kN): Exactly 1000 newtons.
Source:Tonne-force (metric): NIST Special Publication 811 (2008), Appendix B.8; Kilonewton: SI Brochure, 9th edition (BIPM, 2019)
How to convert tonnes-force to kilonewtons
To convert tonnes-force to kilonewtons, multiply the number of tonnes-force by 9.80665.
Formula
kN = tf × 9.80665
Examples
- 5 tf = 5 × 9.80665 = 49.03325 kN
- 25 tf = 25 × 9.80665 = 245.16625 kN
- 100 tf = 100 × 9.80665 = 980.665 kN
Tonne-force (metric) to Kilonewton conversion table
| Tonne-force (metric) (tf) | Kilonewton (kN) |
|---|---|
| 0.1 tf | 0.980665 kN |
| 0.5 tf | 4.903325 kN |
| 1 tf | 9.80665 kN |
| 2 tf | 19.6133 kN |
| 3 tf | 29.41995 kN |
| 5 tf | 49.03325 kN |
| 10 tf | 98.0665 kN |
| 20 tf | 196.133 kN |
| 25 tf | 245.16625 kN |
| 50 tf | 490.3325 kN |
| 100 tf | 980.665 kN |
| 250 tf | 2451.6625 kN |
| 500 tf | 4903.325 kN |
| 1000 tf | 9806.65 kN |
Values rounded to 10 significant digits where needed.
Common conversions
Frequently asked questions
- How many kilonewtons are in one tonne-force?
- One tonne-force is exactly 9.80665 kilonewtons.
- How do I convert kilonewtons to tonnes-force?
- To convert kilonewtons to tonnes-force, divide the number of kilonewtons by 9.80665. The formula is tf = kN ÷ 9.80665.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 9.80665 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a tonne-force or a kilonewton?
- A tonne-force is 9.80665 times larger than a kilonewton. In other words, a kilonewton is about 0.1019716213 of a tonne-force.