Printable Horsepower Formula Card
This one-page card is for drivers, tuners, and anyone checking a quick horsepower estimate from drag strip results or engine data. It includes a horsepower formula table with Method and Formula columns for trap speed, elapsed time, and torque. It also includes a drivetrain loss table with Layout and Loss columns for FWD, RWD manual, and RWD automatic.
Free printable · PDF
- 1 page
- US Letter — choose “Fit to page” for A4
- PDF, 51 KB
Free for personal, family and classroom use.
Use the formula section to match the method you have, then plug in weight, mph, ET, RPM, or lb-ft as needed. Use the drivetrain loss section to choose a typical loss range for the layout before comparing wheel horsepower and crank horsepower. Keep it near a log sheet or calculator for quick reference.
Good for
- Estimate horsepower from trap speed
- Check horsepower from elapsed time
- Reference typical drivetrain loss ranges
Tip: Print it on cardstock or laminate it for garage and track use.
2 files · XLSX, PDF, DOCX
Get every sheet: Performance Run Log & Estimator Workbook
This sheet plus 1 more in one download, with the editable Excel and Word files. Log every drag-strip run with weather, weight and timeslip data, and see horsepower estimates and trends automatically.
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Printable Drag Strip Run Log Workbook