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Gear Spacing Calculator

Inputs

Gear 1 Teeth

Gear 2 Teeth

Diametral Pitch

Diametral Pitch (DP) = teeth per inch of pitch diameter. Common FRC values: 20 DP (standard), 32 DP (fine).

Results

Gear 1 Pitch Diameter

— in

Gear 2 Pitch Diameter

— in

Center-to-Center Distance

—

inches

Gear Ratio —

Reduction —

Disclaimer: These calculators are intended as design aids only. Always validate results with real-world testing. Actual performance may vary due to factors not modeled here.