For painters, tilers, drywallers and masons · Canada
Calculate materials. Calculate costs. Add your margin. Send the quote.
Free tools built mobile-first for the job site: from m² to professional PDF with no spreadsheets.
- calculators
- 15
- calculators
- first
- mobile
- first
- professional
- professional
Transparent methodology: every calculator shows formula, assumptions and limits. See methodology.
Start with your trade
Most used calculators
- Wall & ceiling area calculator
Net m² minus doors and windows.
- Paint calculator
Litres, coats and buckets from coverage.
- Tile calculator
Pieces and boxes with cutting waste.
- Adhesive & grout calculator
Thin-set bags and grout by consumption.
- Drywall calculator (boards)
Boards by area and sides.
- Framing & screws calculator
Studs, tracks, screws and compound.
- Brick calculator
Units per m² of wall.
- Concrete block calculator
40×20 blocks per m².
From calculation to payment in 4 steps
Calculate net quantity, waste and purchase (boxes, bags, buckets).
Add costs: materials, labor, overhead and configurable tax.
Apply your margin (markup ≠ margin, explained with visible formula).
Create the quote and share it as a professional A4 PDF.
Transparent methodology: every calculator shows formula, assumptions and limits. See methodology.
Frequently asked questions
- What is Estimetra?
- A calculation and quoting toolkit for construction freelancers: 15 free calculators and a PDF quote builder.
- Who is it for?
- Painters, tilers, drywallers, masons and remodelers; solo contractors and small crews.
- Are the calculators free?
- Yes: unlimited use with no account. A free account adds 3 quotes and 5 prices in the cloud; Pro is unlimited.
- Do I need an account to calculate?
- No: results show with no signup. Accounts save customers, prices and quotes.
- How accurate are the calculations?
- Exact geometric quantities plus adjustable waste. They are estimates, not engineering design.
- Does it work on phones and tablets?
- Yes: mobile-first for the job site, with instant in-browser calculation.
- Can I work offline?
- Visited calculators and your draft work offline; the cloud syncs when you're back online.
- How is my data protected?
- Your customers, prices and quotes are private per company (RLS), and email is transactional only.