CALCULATOR · V-BELT

V-Belt Length & Center Distance Calculator

Enter the type of ISO 4184 standard V-belt, the effective pulley diameters and the desired center distance to calculate the recommended belt designation, actual center distance for the selected belt, wrap angle and belt speed.

Standard ISO 4184 Supported types A / B / C / D / E
HOW-TO How to Calculate V-Belt Designation and Center Distance +
  1. Enter the belt type, effective diameters of the driver and driven pulleys, and the desired center distance.
  2. The recommended belt designation, actual center distance for the adopted belt, and wrap angle are displayed in real time.

Result

Recommended belt
—
Effective length (Lp)
— mm
Actual center distance
— mm
Error (ΔC)
— mm
Speed ratio (i)
—
Wrap angle (θ, small pulley side)
—°
Tags
Pulley Power Transmission
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INPUTS
V-Belt Length & Center Distance Calculator

ISO 4184 standard V-belts (A / B / C / D / E)

20–2000 mm
mm

Enter the pitch diameter

20–2000 mm
mm

Enter the pitch diameter

100–5000 mm
mm

V-belts come in standardized designations, so the actual center distance varies slightly from the entered value

10–10000 rpm
rpm

When entered, the belt speed is also displayed