Baseball Runs Created Calculator

Calculate Runs Created (RC) - Bill James' formula for estimating a player's offensive run production

About Runs Created

Runs Created (RC) was developed by Bill James to estimate how many runs a player contributes. The basic formula is: RC = (Times on Base x Total Bases) / Opportunities. RC/27 projects runs per game if a lineup consisted of nine identical hitters.

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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.