All Calculators
A complete suite of professional roofing and construction calculators.
Area Calculator
9 ToolsFlat Roof Area Calculator
Quickly calculate your flat roof area, Enter the roof length and width. Get instant roof a...
Gable Roof Area Calculator
Easily estimate the total surface area of a gable roof using either the building footprint...
Hip to Gable Roof Volume Calculator
Calculate attic space gained with a Hip to Gable Roof Volume Calculator using formulas and...
Hipped Roof Calculator | Area, Height & Rafter Formula Guide
Calculate roof height, rafter length, and total surface area with our Hipped Roof Calculat...
Mansard Roof Area Calculator
Accurately calculate mansard roof area using building dimensions, slope angles, and overha...
Roof Height Calculator
Calculate roof height, roof angle, and rafter length instantly with our Roof Height Calcul...
Roof Size Calculator: Find Your Roofing Area
Calculate total roof area using roof length, width, and pitch. Easy roof size calculator f...
Roof Square Footage Calculator
Quickly calculate your roof area with our Roof Square Footage Calculator. Enter your footp...
Sloped Roof Area Calculator
Quickly estimate the surface area of your pitched roof based on dimensions and roof pitch....
Miscellaneous
18 ToolsFlat Roof Material Calculator
Use our Flat Roof Material Calculator to estimate roofing material quantity and cost insta...
Gutter Slope Calculator
Use our free Gutter Slope Calculator to find the perfect slope for your gutters. Enter gut...
Lean-to Roof Pitch Calculator
Easily calculate your lean-to roof pitch with our calculator. Find roof pitch in degrees,...
Metal Roof Calculator
Use this Metal Roof Calculator to estimate roof area, sheet quantity, and total cost. Lear...
Plywood Calculator for Roof
Easily calculate how many plywood sheets you need for your roof. Our free Plywood Calculat...
Rafter Angle Calculator
Use our Rafter Angle Calculator to easily find the rafter length and roof pitch angle base...
Roof Drain Calculator
Calculate roof drainage requirements using roof area, rainfall intensity, and drain capaci...
Roof Framing Calculator: Formulas, Methods, and a Worked Example
Enter building length, width, pitch & overhang to calculate rafter length, ridge board, hi...
Roof Pitch Chart
Download a free Roof Pitch Reference Chart PDF with pitch ratios, roof angles, multipliers...
Roof Pitch to Angle Converter
Convert roof pitch (rise and run) into angle in degrees and slope percentage with our Roof...
Roof Shingle Calculator
Easily calculate how many shingles you need for your roof with our free Roof Shingle Calcu...
Roof Slope Calculator
Use our free Roof Slope Calculator to quickly convert rise and run into roof slope ratios,...
Roof Tile Calculator
Easily estimate how many tiles your roof needs using our Roof Tile Calculator. Learn step-...
Roof Truss Calculator
Calculate roof truss dimensions, rafter length, roof area, and number of trusses using roo...
Roof Truss Cost Calculator
Calculate roof truss costs instantly with our Roof Truss Cost Calculator. Estimate the num...
Roof Underlayment Calculator
Calculate roof underlayment rolls needed using roof area, overlap, and waste percentage. G...
Roof Vent Calculator: Estimate Proper Attic Ventilation
Calculate attic ventilation requirements with this Roof Vent Calculator. Estimate intake v...
Roof Water Collection Calculator
Learn how to calculate roof rainwater collection using area, rainfall, and runoff coeffici...
Cost Calculator
5 ToolsMetal Roof Painting Cost Calculator
Estimate your roof painting expenses quickly with our Metal Roof Painting Cost Calculator....
Solar Roof Cost Calculator
Estimate your solar installation cost and potential energy savings easily. Calculate total...
Tar and Gravel Roof Cost Calculator
Estimate your flat roof expenses with our Tar and Gravel Roof Cost Calculator. Learn the f...
Tesla Solar Roof Cost Calculator
Estimate Tesla Solar Roof installation costs, tax credit savings, and net project cost usi...
Tile Roof Replacement Cost Calculator
Easily estimate your tile roof replacement cost with our calculator. Enter roof area, tile...