Construction Tool

Roofing Calculator

Calculate roofing materials needed for your project. Estimate roofing squares, shingle bundles, and costs for gable, hip, and gambrel roofs at any pitch.

Roof Type

Roof Length (feet)

Roof Width (feet)

Roof Pitch (rise/12)

Waste Factor (%)

Enter roof dimensions to calculate materials needed. Length/width up to 1000 ft, pitch 0-24.

Learn More About Roofing

Understand roofing materials, installation, and maintenance:

Beginner Guide

Roofing Basics

Understanding roof types, pitches, and shingle installation

Q&A Post

Roof Pitch Explained

What is roof pitch and how does it affect materials needed?

Q&A Post

Types of Roof Shingles

Comparing asphalt, architectural, and specialty shingles