CALCULATORDRIP-EDGE-CALCULATORCALCULATE · DECIDE · ACT
Roofing Calculators · reviewed September 1, 2026
Roof Drip Edge Calculator
Calculate drip-edge linear feet and stock pieces from total eave and rake length.
Ready.
Enter your measurements and calculate.
Enter your measurements and calculate.
Worked example
Example
180 ft with 5% allowance is 189 ft. With 10-ft pieces, round up to 19 pieces.
References
Sources & assumptions
Last reviewed September 1, 2026. Defaults are starting points; product-specific inputs are editable wherever coverage varies.
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Related tools
FAQ
Common questions
What roof edges do I measure?
Measure the eaves and rakes where the specified drip edge will be installed.
Why add an allowance?
Pieces overlap and cuts can create waste.
Does the calculator know local code?
No. It only estimates material quantity from the dimensions you enter.