Convert Metric Ton-Force to Decanewtons
Convert Metric Ton-Force (tf) to Decanewtons (daN) instantly and accurately.
Conversion Formula
daN = tf × 980.665
About Metric Ton-Force
One metric tonne-force (tf) is the gravitational force on 1,000 kg under standard gravity - exactly 9,806.65 N = 9.80665 kN. It dominates international heavy engineering: crane hook capacities are rated in tf (a '50-tonne crane' lifts 50 tf = 490.3 kN); ship mooring lines, anchor holding power, and cargo lashing per IMO standards are in tf; hydraulic presses for metal extrusion and stamping in Europe and Asia are rated in tf. ISO 7531 lifting-gear working load limits (WLL) use tf. 1 tf = 1,000 kgf = 9,806.65 N = 2,204.6 lbf.
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.
Quick Reference Table
| Metric Ton-Force (tf) | Decanewtons (daN) |
|---|---|
| 1 tf | 980.665 daN |
| 2 tf | 1961.33 daN |
| 5 tf | 4903.32 daN |
| 10 tf | 9806.65 daN |
| 25 tf | 24516.6 daN |
| 50 tf | 49033.3 daN |
| 100 tf | 98066.5 daN |