Convert Decanewtons to Long Ton-Force
Convert Decanewtons (daN) to Long Ton-Force (tf (UK)) instantly and accurately.
Conversion Formula
tf (UK) = daN × 0.001003611353
About Decanewtons
One decanewton (daN) is exactly 10 N. It is industrially significant in Europe because 1 daN ≈ 1 kgf (9.80665 N, a 2% difference), allowing gauges calibrated in daN to give readings that approximate kilogram-weight while remaining SI-compliant. ISO 376 and EN 13791 load-cell calibration standards use daN. ECE Regulation 16 (vehicle seat belts) and EN ISO 13857 (machinery safety distances) specify forces in daN. Continental European spring gauges and tensile testers routinely carry daN scales. 1 daN = 10 N = 1.01972 kgf = 2.24809 lbf.
About Long Ton-Force
One long ton-force is the gravitational force on an imperial long ton (2,240 lb = 20 × 112 lb hundredweight) - approximately 9,964 N. The long ton was the traditional British ton; long ton-force appears in Royal Navy vessel displacement records, British Admiralty anchor chain standards, pre-metrication UK bridge live load codes, and Australian/South African mining bolt pull-out specifications. It sits between short ton-force (8,896 N) and metric tonne-force (9,807 N) - about 12% heavier than a short ton-force. 1 long tf = 2,240 lbf = 9,964.02 N.
Quick Reference Table
| Decanewtons (daN) | Long Ton-Force (tf (UK)) |
|---|---|
| 1 daN | 0.00100361 tf (UK) |
| 2 daN | 0.00200722 tf (UK) |
| 5 daN | 0.00501806 tf (UK) |
| 10 daN | 0.0100361 tf (UK) |
| 25 daN | 0.0250903 tf (UK) |
| 50 daN | 0.0501806 tf (UK) |
| 100 daN | 0.100361 tf (UK) |