Gear Ratio Speed Calc

Gear Ratio Speed Calc

Multi-Stage Gear Drive Tool

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$9.99 $1.99

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Details

  • Released
  • Updated
  • March 25, 2026
  • June 28, 2026

Features

Gear Ratio Speed Calc screenshot #1 for iPhone
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Gear Ratio Speed Calc screenshot #3 for iPhone
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About

Designing a gear train and need to know the final output RPM and torque multiplier for single, dual, or triple stage setups? Enter driver and driven teeth counts, set your input RPM, and get instant results. Includes 8 common gear presets for fast selection on the shop floor. FEATURES: - Single, dual, and triple stage gear ratio calculations - Calculate overall gear ratio, output RPM, and torque multiplier - 8 common gear presets for quick selection - Custom driver and driven teeth input for any gear combination - Supports any input RPM value - Clean, dark-themed interface for shop and field use FORMULAS: - Gear Ratio = Driven Teeth / Driver Teeth - Output RPM = Input RPM / Overall Gear Ratio - Torque Multiplier = Overall Gear Ratio - Multi-stage: Overall Ratio = Stage 1 x Stage 2 x Stage 3 PRESETS INCLUDED: 12/48 (4:1), 15/45 (3:1), 18/36 (2:1), 20/40 (2:1), 16/64 (4:1), 24/72 (3:1), 20/60 (3:1), 14/56 (4:1) Perfect for designing gear trains, verifying speed reductions, and calculating torque multiplication in mechanical power transmission systems.
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What's New in Gear Ratio Speed Calc

1.0.2

June 28, 2026

Added a More Pro Tools section to discover related field calculators.

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