Built for better estimates
Material estimates you can build on.
Professional construction and DIY calculators with transparent formulas, practical units, and results designed for the real jobsite.
- Reference-backed
- Tested engine
- No sign-up
Example estimate
Calculator library
Start with the material you need.
Each calculator is built as a documented product—not a black-box form.
Most popular
Concrete Calculator
Estimate ready-mix volume and bag quantities for slabs.
Open calculatorFences & decks
Post Hole Concrete Calculator
Estimate concrete volume and complete bags for multiple round post holes.
Open calculatorInteriors
Paint Calculator
Plan paint quantity from wall area, coats, and coverage.
Open calculatorFlooring
Tile Calculator
Estimate tiles, full boxes, layout, and cutting allowance.
Open calculatorMasonry
Brick Calculator
Estimate fired-clay bricks from net wall area, openings, and a documented coverage rate.
Open calculatorLandscaping
Gravel Calculator
Calculate gravel volume, weight, tons, and complete bags.
Open calculatorOutdoors
Mulch Calculator
Find mulch volume and the number of bags your beds need.
Open calculatorInterior walls
Drywall Calculator
Estimate complete sheets for rectangular room walls and an optional ceiling.
Open calculatorThe BuildMeasure standard
Accuracy is a feature.
Useful estimates begin with visible assumptions. We publish how the result is calculated and keep the calculation engine separate from the interface.
- 01Formula and unit references
- 02Metric and imperial inputs
- 03Explicit waste allowance
- 04Versioned calculation engine
Plan with context
From measurements to a purchase plan.
Use the guide library, then inspect how every result is verified.
How much concrete do I need for a slab?
Convert slab dimensions into cubic yards and complete 40, 60, or 80 lb bags with a visible allowance.
Calculate slab yards and bags Post-hole concrete guideHow many bags of concrete for post holes?
Turn round-hole dimensions and hole count into volume and complete bags without prescribing structural hole size.
Read the post-hole bag guide Paint guideHow much paint do I need for a room?
Account for wall area, openings, coats, coverage, and full-container rounding.
Plan the paint order Tile guideHow many tiles do I need?
Convert room and tile dimensions into complete boxes with an explicit waste allowance.
Plan the tile order Brick guideHow many bricks do I need for a wall?
Subtract measured openings, apply documented fired-clay brick coverage, and keep waste explicit.
Plan the brick order Gravel guideHow much gravel do I need?
Estimate compacted volume, adjustable density, total weight, and complete bags.
Plan the gravel order Mulch guideHow much mulch do I need?
Turn bed area and installed depth into cubic yards and complete bags.
Plan the mulch order Practical guideHow to estimate construction materials
Separate geometry, allowances, product data, and package rounding.
Read the estimating workflow