Construction
Ridge Cap Calculator
Estimate ridge-cap bundles from total ridge and hip length, waste allowance, and bundle coverage.
- Free to use
- Runs in your browser
- Level B · Industry formula
- Last reviewed 2026-08-16
Calculator guide
How to use the Ridge Cap Calculator
Estimate ridge-cap bundles from total ridge and hip length, waste allowance, and bundle coverage. Enter the requested values and select Calculate. The result and supporting values are produced locally in your browser.
Formula
Worked example
120 ft of ridge/hip length with 10% waste and 30 ft coverage per bundle requires 5 bundles.
What to keep in mind
- Use the ridge-cap manufacturer’s published linear coverage.
Methodology
This calculator uses deterministic arithmetic and performs the calculation locally in your browser. Verify assumptions, units, and source values for your specific use case.
Review standard: Level B · Industry formula. How calculator reviews work.
Frequently asked questions
What does this calculator calculate?
Estimate ridge-cap bundles from total ridge and hip length, waste allowance, and bundle coverage.
How is the result calculated?
Bundles = ceil(Total Ridge/Hip Length × (1 + Waste %) ÷ Coverage per Bundle).
Can I use the result for an important decision?
Use the result as a calculation aid and verify the inputs, assumptions, and applicable professional or regulatory requirements before relying on it for an important decision.
Does CalculateMeasure store the values I enter?
The calculator performs its arithmetic in your browser. The calculator itself does not need to send your entered values to a server to produce the result.