Two-Pulley Belt Length Calculator
Calculate the ideal length, wrap angles and speed ratio for an open or crossed two-pulley belt.
Two-Pulley Belt Length Calculator User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- Two 100 mm pulleys with a 500 mm center distance require an ideal open belt length of approximately 1314.16 mm.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Calculate tangent lengths and arc lengths from pulley pitch diameters and center distance in the same units.
scope of use
Does not account for tension, stretch or standard belt sizing. Center distance must exceed the sum of pulley radii.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Does not account for tension, stretch or standard belt sizing. Center distance must exceed the sum of pulley radii. Please compare the input unit, rounding method, applicable rules and data version first.