Web Tension Force Calculators

These tension force calculators determine the ultimate/resultant load that will be placed on load cells within a web tension application. Use them to troubleshoot an issue, verify specifications, or choose the correct load rating when selecting new load cells.

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For pillow block load cells, brake sizing, and more, see our other web tension control calculators.

The unit of forces ( tension, roll weight ) : Kg, Lb, N, or any but not to be mixed.

Tension Formula Diagram
Above

Max Tension (FT)

Wrap Angle (B)

Roll Weight (W)

Angle A (A)

Resultant load

Tension Formula Diagram
Below

Max Tension (FT)

Wrap Angle (B)

Roll Weight (W)

Angle A (A)

Resultant load

Tension Formula Diagram
Horizontal

Max Tension (FT)

Wrap Angle (B)

Resultant load