Rocker Ratio Calculator
Calculate rocker arm ratio and valve lift effects
Rocker Specifications
Actual Rocker Ratio
1.500:1
Lift increase: 0.160"
Lift Comparison Table
1.5:1 Rocker0.480" valve lift
1.6:1 Rocker0.512" valve lift
1.7:1 Rocker0.544" valve lift
1.8:1 Rocker0.576" valve lift
Formula
Rocker Ratio = Valve Lift ÷ Cam Lift💡
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.