ConvertThemAll

Kilonewtons to Tonnes-force

Type a value in Kilonewtons and get the result in Tonnes-force, calculated exactly.

1 kN ≈ 0.1019716213 tf Force converter

100 Kilonewtons ≈ 10.19716213 Tonnes-force

Precision

Exact factorRounded for display to about 10 significant digits.

Slide rule

Drag to scrub · arrow keys step · Shift × 10

Paper tape

ConvertThemAll

  1. Your conversions print here.

0 lines · kept on this device only

Formula

tf = kN ÷ 9.80665

To convert Kilonewtons to Tonnes-force, divide the value by 9.80665.

Worked examples

  1. 1 kN ÷ 9.80665 ≈ 0.1019716213 tf
  2. 100 kN ÷ 9.80665 ≈ 10.19716213 tf
  3. 50 kN ÷ 9.80665 ≈ 5.098581065 tf

This factor is exact by definition.

Conversion table

Kilonewtons to Tonnes-force
Kilonewtons (kN)Tonnes-force (tf)
1≈ 0.1019716
2≈ 0.2039432
3≈ 0.3059149
4≈ 0.4078865
5≈ 0.5098581
6≈ 0.6118297
7≈ 0.7138013
8≈ 0.815773
9≈ 0.9177446
10≈ 1.019716
15≈ 1.529574
20≈ 2.039432
25≈ 2.549291
30≈ 3.059149
40≈ 4.078865
50≈ 5.098581
60≈ 6.118297
70≈ 7.138013
75≈ 7.647872
80≈ 8.15773
90≈ 9.177446
100≈ 10.19716

Values marked ≈ are rounded; the rest are exact.

Reverse table: Tonnes-force to Kilonewtons
Tonnes-force to Kilonewtons
Tonnes-force (tf)Kilonewtons (kN)
19.80665
219.6133
329.41995
439.2266
549.03325
658.8399
768.64655
878.4532
988.25985
1098.0665
15147.09975
20196.133
25245.16625
30294.1995
40392.266
50490.3325
60588.399
70686.4655
75735.49875
80784.532
90882.5985
100980.665

Convert Tonnes-force to Kilonewtons

Unit definitions

Kilonewtons kN
Exactly 1000 newtons.
Tonnes-force tf
Exactly 1000 kilograms-force, or 9806.65 newtons.

Questions people ask

Kilonewtons to Tonnes-force: what is the conversion factor?

One kN is ≈ 0.1019716213 tf.

How do I convert Kilonewtons to Tonnes-force?

Use the formula above. For example, 100 kN = ≈ 10.19716213 tf.

Is the conversion exact?

Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.

Factors checked 19 October 2026.