- Pitch angle35°
- Ratio (rise : run)1 : 1.43
- Percentage70%
- Rise per metre run700mm/m
- Rise per 12 (x:12)8.4in 12
// Estimate only — verify before quoting
Roof Pitch Converter Calculator
Convert roof pitch between degrees, rise-over-run, ratio and percentage.
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Browse the full shop →Frequently asked questions
How do I use the roof pitch converter calculator?
Enter your measurements and options into the Roof Pitch Converter above and the result updates instantly. Convert roof pitch between degrees, rise-over-run, ratio and percentage.
Is the roof pitch converter calculator free to use?
Yes — every TradesMate calculator is free to use with no sign-up. Save quotes and use the full estimator with a free trial.
Are the results accurate enough to quote from?
The figures are reliable estimates based on standard UK trade practice. Always allow for wastage and verify against current material prices before quoting a customer.
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