A ton-force is one of various units of force defined as the weight of one ton due to standard gravity. The precise definition depends on the definition of ton used.
Tonne-force
The tonne-force (tf or tf) is equal to the weight of one tonne. { | |- |rowspan=6 width=120 valign=top|one tonne-force |= kilograms-force (kgf) |- |= kilonewtons (kN) |- |≈ pounds-force (lbf) |- |≈ long tons-force |- |≈ short tons-force |- |≈ poundals (pdl) |}
Long ton-force
The long ton-force is equal to the weight of one long ton. { | |- |rowspan=5 width=120 valign=top|one long ton-force |= lbf |- |= kgf |- |= |- |= 1.12 short tons-force |- |≈ pdl |}
Short ton-force
The short ton-force is equal to the weight of one short ton. { | |- |rowspan=5 width=120 valign=top|one short ton-force |= lbf |- |= kgf |- |= |- |≈ long tons-force |- |≈ pdl |}