Convert Long Ton-Force to Short Ton-Force
Convert Long Ton-Force (tf (UK)) to Short Ton-Force (tf (US)) instantly and accurately.
Conversion Formula
tf (US) = tf (UK) × 1.12
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.
About Short Ton-Force
One short ton-force is the gravitational force on a US short ton (2,000 lb) - exactly 2,000 lbf ≈ 8,896 N. It is used in heavy US industry for hydraulic press force ratings, forging press capacities, crane lift ratings, and bulldozer drawbar pull. US rigging and lifting equipment is rated in short tons. Caution: short ton-force (8,896 N) vs metric tonne-force (9,807 N) vs long ton-force (9,964 N) introduces up to 12% ambiguity when 'ton capacity' is unqualified - a critical safety distinction. 1 short tf = 2,000 lbf = 2 kip = 8,896.44 N.
Quick Reference Table
| Long Ton-Force (tf (UK)) | Short Ton-Force (tf (US)) |
|---|---|
| 1 tf (UK) | 1.12 tf (US) |
| 2 tf (UK) | 2.24 tf (US) |
| 5 tf (UK) | 5.6 tf (US) |
| 10 tf (UK) | 11.2 tf (US) |
| 25 tf (UK) | 28 tf (US) |
| 50 tf (UK) | 56 tf (US) |
| 100 tf (UK) | 112 tf (US) |