Ounce-Force (ozf) to Pound-Force (lbf) Converter
Enter a value to instantly convert between force units.
1 Ounce-Force = 0.0625 Pound-Force
Key Formulas
Newton → Pound-Force
lbf = N × 0.224809Pound-Force → Newton
N = lbf × 4.44822Kilogram-Force → Newton
N = kgf × 9.80665Newton → Kilogram-Force
kgf = N × 0.101972Formula
lbf = ozf ÷ 16Precision instrument spec sheets use ounce-force for fine resolution; general equipment ratings use pound-force. A fishing reel's line capacity is given in lbf, but the rod's casting weight spec might be in ozf. A spring balance dial marked in ozf needs to communicate its capacity as lbf on an equipment checklist. Anywhere the same force must be stated at two different levels of granularity in imperial units, this 16:1 ratio is the tool.
Source: NIST SP 811, Table B.8
Last reviewed: · see our methodology
Frequently Asked Questions
Real-World Examples
Sixteen ounce-force equals exactly one pound-force — the fundamental identity. 16:1 is the same as ounces to pounds in mass.
16 ozf = 1 lbf
A fly fishing rod rated for 6 lbf (96 ozf) line weight — the ozf value on a spring scale used to tension-test the line during setup.
96 ozf = 6 lbf
A precision coil spring rated at 32 ozf tension — 2 lbf, expressed in both units on a dual-scale instrument dial.
32 ozf = 2 lbf
A 4 ozf keyboard return spring — 0.25 lbf, the force spec needed when ordering a replacement from a supplier catalog that lists in lbf.
4 ozf = 0.25 lbf