All Calculators

A complete suite of professional roofing and construction calculators.

Area Calculator

7 Tools

Miscellaneous

13 Tools

Flat Roof Material Calculator

Use our Flat Roof Material Calculator to estimate roofing material quantity and cost insta...

Open Tool

Gutter Slope Calculator

Use our free Gutter Slope Calculator to find the perfect slope for your gutters. Enter gut...

Open Tool

Lean-to Roof Pitch Calculator

Easily calculate your lean-to roof pitch with our calculator. Find roof pitch in degrees,...

Open Tool

Metal Roof Calculator

Use this Metal Roof Calculator to estimate roof area, sheet quantity, and total cost. Lear...

Open Tool

Plywood Calculator for Roof

Easily calculate how many plywood sheets you need for your roof. Our free Plywood Calculat...

Open Tool

Rafter Angle Calculator

Use our Rafter Angle Calculator to easily find the rafter length and roof pitch angle base...

Open Tool

Roof Pitch to Angle Converter

Convert roof pitch (rise and run) into angle in degrees and slope percentage with our Roof...

Open Tool

Roof Shingle Calculator

Easily calculate how many shingles you need for your roof with our free Roof Shingle Calcu...

Open Tool

Roof Slope Calculator

Use our free Roof Slope Calculator to quickly convert rise and run into roof slope ratios,...

Open Tool

Roof Tile Calculator

Easily estimate how many tiles your roof needs using our Roof Tile Calculator. Learn step-...

Open Tool

Roof Truss Calculator

Calculate roof truss dimensions, rafter length, roof area, and number of trusses using roo...

Open Tool

Roof Underlayment Calculator

Calculate roof underlayment rolls needed using roof area, overlap, and waste percentage. G...

Open Tool

Roof Water Collection Calculator

Learn how to calculate roof rainwater collection using area, rainfall, and runoff coeffici...

Open Tool