Available now
Concrete
Slabs, patios & footings. Get your volume, ready-mix order or bag count.
Calculate concrete →
Measure. Calculate. Build.
Know what to buy
before you buy it.
Less guesswork. A better trip to the store. Free calculators that turn your project measurements into a shopping list.
Find your calculatorFree to use · No signup required
Your next project starts here
What are you working on?
All 21 DIYSum project calculators are ready to use.
21 calculators · 21 available now
Available now
Paint
Plan wall coverage, coats and the cans you’ll need.
Calculate paint →
Available now
Flooring
Turn room measurements into flooring and full boxes.
Calculate flooring →
Available now
Paver Patio
Plan pavers, base material and bedding sand.
Calculate paver patio →
Available now
Fence
Estimate posts, panels, pickets and rails.
Calculate fence →
Available now
Mulch
Measure garden beds and work out bags or bulk volume.
Calculate mulch →
Available now
Gravel
Estimate the volume for paths, beds and base layers.
Calculate gravel →
Available now
Topsoil
Calculate topsoil volume and turn it into bags or bulk yards.
Calculate topsoil →
Available now
Sand
Estimate sand for patios, leveling and landscaping projects.
Calculate sand →
Available now
Sod
Turn lawn measurements into whole supplier purchase units.
Calculate sod →
Available now
Grass Seed
Use your product seeding rate to estimate pounds and whole bags.
Calculate grass seed →
Available now
Tile
Calculate tiles and boxes with an allowance for cuts.
Calculate tile →
Available now
Drywall
Turn wall and ceiling areas into whole sheets.
Calculate drywall →
Available now
Square Footage
Add up areas for rooms and outdoor projects.
Calculate square footage →
Available now
Board Foot
Work out lumber volume across multiple board sizes.
Calculate board foot →
Available now
Cubic Yard
Convert project dimensions into bulk volume.
Calculate cubic yard →
Available now
Roofing
Estimate roof area, shingle bundles, underlayment and sheathing.
Calculate roofing →
Available now
Deck
Plan decking boards, joist stock and fasteners.
Calculate deck →
Available now
Insulation
Turn wall and ceiling areas into whole insulation packages.
Calculate insulation →
Available now
Wallpaper
Estimate wallpaper rolls using strips and pattern repeat.
Calculate wallpaper →
Available now
Concrete Block
Estimate concrete blocks and optional mortar bags.
Calculate concrete block →
No matching calculators
Try a material name or choose a different category.
Step-by-step planning
Real-world DIY project guides
Need an example before calculating? Learn the math and shopping assumptions for common projects.
Sand for a paver patio
Estimate bedding depth and bags.
Soil for a raised garden bed
Compare fill depths and bag counts.
Sod rolls and pallets
Convert lawn area to supplier units.
From measurements
to shopping list.
01
Measure your project
Enter your dimensions. Add sections for an irregular space.
02
Make it yours
Choose an extra allowance, package yield and your local price.
03
Shop with a plan
Get a rounded purchase quantity and a list to take with you.