Ridge Cap Calculator

How many ridge cap shingles do you need?

RIDGE CAP BUNDLES
bundles
ridge and hip

Usage Tip

One bundle of ridge cap covers about 35 LF. Starter strips or 3-tab shingles cut in thirds also work.

THE MATH
LF = Length × (1 + waste)
Where: 1 bundle covers ~35 LF
• About 3 caps per linear foot
• 3-tab shingles cut in thirds also work
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The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.