OncallshoppingmallGear Ratio Calculator

Printable Gear Train Planner

This gear train planner is for anyone building or checking a multi-stage gear setup. It gives one Letter landscape page with columns for Stage, Driver teeth, Driven teeth, Stage ratio, Cumulative ratio, Input RPM, and Output RPM. The example rows show stage 1 with 12 and 36 teeth and 3000 RPM, then stage 2 with 15 and 45 teeth.

Preview of Printable Gear Train Planner

Free printable · PDF

  • 2 pages
  • US Letter, landscape — choose “Fit to page” for A4
  • PDF, 55 KB
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Free for personal, family and classroom use.

Enter the tooth counts for each stage and fill in the starting RPM. The ratio and speed fields are set up to calculate as you work through the train, so you can compare stages and track the final output speed on the same sheet.

Good for

Tip: Print landscape so the full ratio and RPM columns stay easy to read.

4 files · PDF, XLSX, DOCX

Get every sheet: Gear Charts Pack

This sheet plus 3 more in one download, with the editable Excel and Word files. Printable bicycle gear-inch chart, a gear train planning worksheet, an RPM-to-speed chart template for vehicles and a gearing log.

$5.00 USD, one-time 4 files · about $1.25 each

7-day money-back guarantee. Full refund within 7 days of purchase, even after you download.

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