Builders Calculator

Plan materials and estimate costs for construction and DIY projects with fast, practical calculators that work offline.

BUILDING AND DIY CALCULATORS

- Concrete slabs: volume, bag quantities and waste allowance
- Bricks and blocks: wall area, unit counts and mortar
- Paint: coverage, container quantities and cost
- Tiles: floor or wall coverage, tile counts and waste
- Stud framing: studs and plate timber
- Drywall: sheets, screws and joint compound
- Roofing: roof area and shingle bundles
- Stairs: rise, run, step count and tread guidance
- Gravel and soil: volume and weight estimates
- Unit converter for common length, area, volume and weight units

MATERIAL PRICES AND COSTS

Enter the prices you pay locally once and Builders Calculator reuses them in later estimates. Choose from 11 currencies, view converted prices when reference rates are available, and use Personal or Business pricing with optional VAT breakdowns.

MADE FOR THE JOB

- Metric and imperial measurements
- English, German, French, Spanish, Italian, Polish and Bulgarian
- System, Light and Dark themes
- Calculation history saved on your device
- Copy or share useful results
- Reorder calculators around the work you do most

OFFLINE AND PRIVATE BY DESIGN

Calculators, saved material prices, history and preferences stay on your device and work without an account. An internet connection is only needed to refresh currency reference rates, send optional feedback, load advertising, or open external links.

IMPORTANT

All results are planning estimates. Always verify dimensions, quantities, product coverage, waste requirements and local building regulations before ordering materials or beginning work.