FRELUX SMART CALC: Calculate Materials and Estimate Construction Costs

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.

How FRELUX Works

  1. Enter your measurements: input room dimensions, wall height, doors, and windows.
  2. Calculate materials: FRELUX computes exact quantities using practical coverage rates and real product sizes.
  3. Get your estimate: see a full cost breakdown with current market prices, save and share it.

All Calculators by Category

Painting

Screeding

POP Ceiling

Tiles

Finishing

Construction

Colors and Design

Why Trust FRELUX

Popular Calculator Templates

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.

Painting Templates

Tiling Templates

Screeding Templates

POP Ceiling Templates

Browse all 40 calculator templates for more scenarios.

Frequently Asked Questions

How do I calculate how much paint I need?

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.

Are FRELUX calculators free?

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.

Can I use FRELUX for construction projects anywhere?

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.