What is HomeCalc?
HomeCalc provides free contractor-grade home improvement calculators for DIYers, homeowners, and professionals. Accurate formulas, clean results, no login required.
All of our calculators run entirely in your browser — no account required, no data stored, no paywall. Just fast, accurate results on any device.
🏠 Our Calculators
- BTU / AC Size Calculator
- Paint Calculator
- Flooring Calculator
- Concrete Calculator
🎯 Who We're Built For
We designed HomeCalc to be the tool you reach for first — clean, fast, and accurate. No ads blocking the tool, no signup walls, no bloated interfaces. Just the answer you need, right now.
Our Commitment to Accuracy
Every formula used in HomeCalc is sourced from peer-reviewed literature, professional guidelines, or established industry standards. We document our formula sources and update calculators when better methods become available.
All results are estimates for planning purposes. Material needs vary based on actual conditions, installer technique, and product specifications. Always purchase extra material and consult a licensed contractor for structural projects.