CC to HP Calculator Worksheet
This one-page sizing worksheet is for anyone choosing a small engine for a mower, generator, scooter, go-kart, or similar project. It is set up to help compare engine size in cc with power in horsepower before you buy or replace a part. The sheet is a plain PDF on Letter size, made for quick reference while you review engine options.

Free printable · PDF
- 1 page
- US Letter — choose “Fit to page” for A4
- PDF, 55 KB
Free for personal, family and classroom use.
Use it as a simple check while shopping or planning a build. Fill in the engine details you are comparing, then use the worksheet to keep cc and HP information in one place. It works well at the workbench, in the garage, or when you need to match a replacement engine to an existing machine.
Good for
- Compare small engine size and power
- Check replacement engine specifications
- Plan a mower or go-kart build
Tip: Print single-sided and keep it with your engine notes or parts list.
4 files · PDF, XLSX, DOCX
Get every sheet: Engine Size and Power Pack
This sheet plus 3 more in one download, with the editable Excel and Word files. Printable engine conversion card, small-engine sizing worksheet, engine specification comparison sheet and an Excel displacement-to-power estimator.
$5.00 USD, one-time 4 files · about $1.25 each
- Instant download
- 7-day refund
- Secure checkout by Stripe
7-day money-back guarantee. Full refund within 7 days of purchase, even after you download.

CC to HP Calculator Conversion Card
CC to HP Estimator Chart
Printable Engine Spec Comparison Chart