DIYCalc provides professional-grade calculators for home improvement projects, completely free. We believe accurate material estimates and measurements should be accessible to everyone, whether you're a weekend DIYer or a professional contractor. Our tools help you get it right the first time, saving time, money, and reducing waste.

Every calculator on DIYCalc is built using industry standards, building codes, and professional best practices. We regularly review and update our calculations to ensure they remain accurate and relevant. Our formulas account for waste factors, material variations, and real-world conditions to provide reliable estimates you can trust.

All 25 calculators on DIYCalc are free to use with no registration, subscriptions, or hidden fees. We're supported by non-intrusive advertising that keeps the service free while respecting your experience. Our goal is to help as many people as possible succeed with their home improvement projects.