Golf Handicap Calculator

USGA-style score differential.

Choose a golf handicap workflowConvert an index to a course handicap or estimate an index from score differential.

3 options

Index of Your Handicap

Rating of Course Slope

Rating of Course

Course Par Score

COURSE HANDICAP12 strokes

round(index × slope ÷ 113 + course rating − par). Only inputs needed by this operation are shown.

Estimate based on the values shown

Formula checkedCourse handicap = index×slope/113 + rating−par; differential = (score−rating)×113/slope. History mode calculates each score differential and averages the best eligible subset (1–8 depending on 3–20 rounds).

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Useful next steps

◷TimeHours converted to minutes plus minutes→◎ConversionKilometers converted to miles→◷Date DifferenceDifference between day indices→