Know exactly what materials your construction project needs. FRELUX calculates materials and project costs using practical construction and finishing measurements, real product sizes, and configurable market prices. All calculators are free, with no sign-up required.
Start with a pre-configured template for common construction projects. Each template loads directly into the calculator with typical room dimensions and settings: adjust to match your project.
Browse all 40 calculator templates for more scenarios.
Use the FRELUX Paint Calculator: enter your wall dimensions (length, width, height), deduct doors and windows, select the number of coats, and the calculator estimates paint quantity in litres based on practical coverage rates.
Yes. All calculators and estimators are free to use with no sign-up required. Pro features like saved estimates and PDF exports are available with a Pro account.
Yes. FRELUX starts with practical construction defaults: coverage rates, product sizes, labour rates, and material prices are calibrated for real market products. Adjust prices to match your local supplier.