Roofing Calculators
Work out how much roofing you need before you call a roofer or visit the store. Measure the pitch, turn your house size into squares and bundles, lay out rafters, and build a budget for a full replacement.
- Roofing CalculatorRoof area, squares, shingle bundles, underlayment, drip edge and ridge cap.
- Roof Pitch CalculatorConvert rise and run, degrees and slope percent. Get the pitch factor.
- Rafter Length CalculatorCommon rafter length, plumb and seat cuts, ridge height and rafter count.
- Roof Replacement Cost CalculatorItemized roof budget per square, with tear-off, decking and a two-quote comparison.