Measure it.
Price it.
Send the quote.
88 free calculators built the way contractors actually estimate: real stock sizes, bag yields and waste allowances. Every result drops into a job, and every job turns into a client-ready quote.
Calculators by trade
See all 88 →Concrete & Masonry13
Slabs, footings, piers, blocks, bricks, pavers
Framing & Carpentry8
Studs, joists, rafters, sheet goods, trim
Roofing5
Roof area, pitch, coverings, gutters, ventilation
Walls & Finishes8
Drywall, plaster, insulation, paint, cladding
Flooring & Tile7
Boards, tile, grout, adhesive, carpet, self-leveller
Decking & Fencing5
Deck boards, framing, stain, fences, chain link
Stairs, Ramps & Rails3
Stair geometry, ramps, balusters
Landscaping & Earthworks12
Mulch, gravel, soil, turf, digging, pools
Plumbing & Water4
Pipe volume, drain fall, tanks, flow rate
Electrical & Lighting4
Voltage drop, Ohm’s law, energy, lighting
Heating, Cooling & Air2
BTU sizing, heat output, extraction
Measure & Convert10
Area, volume, feet-inches, angles, units
Pricing & Business7
Markup, labour rate, bids, tax, travel
Most used
From takeoff to signed quote
No account, no subscription. Your jobs and prices stay on your device.
Run the numbers
Pick a calculator, enter your measurements in feet-and-inches or metric, and get quantities in the units you actually buy.
Add to a job
Each result becomes a section of materials. Your saved prices fill in automatically. Add labour, markup and sales tax.
Send the quote
Download a branded PDF with your logo and terms, share a link, or send it on WhatsApp. Mark it accepted, then turn it into an invoice.
Estimating guides
All guides →How to estimate concrete for a slab, step by step
Measure, convert, add the right waste and order the right way. Here is the method estimators use to get slab volumes right the first time.
4 min readConcrete & MasonryConcrete bags vs ready-mix: where the break-even really is
Bags are convenient, but mixing more than a cubic yard or metre by hand gets expensive in time and quality. Here is how to decide.
4 min readConcrete & MasonryHow many bags of concrete do I need?
Bag yields for every common size, quick tables for slabs and post holes, and why the number on the bag is only a starting point.
3 min readConcrete & MasonryBrick and block estimating: counts, mortar and extras
Bricks per square foot, concrete blocks per square foot, plus mortar, ties, lintels and the items that turn a count into a quote.
3 min readConcrete & MasonryBuilding a paver patio: base, sand and pavers
The base does the work and the pavers just look good. A layer-by-layer takeoff for patios, paths and driveways.
3 min readLandscaping & EarthworksLandscape retaining walls: blocks, base and drainage
What goes into a segmental block retaining wall, how to count it, and when to call an engineer.
3 min read