Convert Pound-Force to Short Ton-Force
Convert Pound-Force (lbf) to Short Ton-Force (tf (US)) instantly and accurately.
Conversion Formula
tf (US) = lbf × 0.0005
About Pound-Force
The pound-force (lbf) is the gravitational force on 1 lb-mass under standard gravity - exactly 4.4482216152605 N. It dominates US structural, mechanical, and aerospace engineering: AISC and ACI structural codes use lbf and kips (1 kip = 1,000 lbf); tire pressure 'psi' means lbf/in²; engine torque in lb·ft. Aircraft thrust is quoted in lbf: the GE90-115B (Boeing 777) produces 115,300 lbf = 513 kN. Spring rates, fastener torques, and load cell calibrations across North America are in lbf. 1 lbf = 4.44822 N = 16 ozf = 32.174 pdl.
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
| Pound-Force (lbf) | Short Ton-Force (tf (US)) |
|---|---|
| 1 lbf | 0.0005 tf (US) |
| 2 lbf | 0.001 tf (US) |
| 5 lbf | 0.0025 tf (US) |
| 10 lbf | 0.005 tf (US) |
| 25 lbf | 0.0125 tf (US) |
| 50 lbf | 0.025 tf (US) |
| 100 lbf | 0.05 tf (US) |