Power transmission calculator
Roller Chain Length Calculator
Estimate chain length in pitches from sprocket tooth counts, chain pitch and centre distance. Results are an initial selection aid and must be checked against manufacturer information.
Roller Chain Length
Estimate chain length in pitches and the nearest even number of pitches.
Result will appear here.
Calculation assumptions
Provides an approximate two-sprocket chain length. Final selection should use an even number of pitches where possible and allow for tensioning, wear adjustment and manufacturer recommendations.