A better plan.
A smarter material order.
Turn your measurements into bags, boards and cubic yards. Check the math, adjust the allowance, and take a useful estimate to your supplier.
How much base do you need?
Calculate aggregate volume and compare bulk delivery with bagged material.
Open paver base calculator16 × 12 ft · 4 in loose depth · 10% extra
Adjust these values to your project.
Your project starts here
21 free toolsPaver Base Calculator
Estimate base aggregate in cubic yards and bags, with an adjustable order allowance.
Patios & pavingPaver Calculator
Calculate paving stones to buy from patio size, actual paver dimensions and cut allowance.
Patios & pavingPaver Sand Calculator
Find bedding sand cubic yards and whole bags for a rectangular patio.
Patios & pavingPolymeric Sand Calculator
Estimate joint sand bags using the coverage on your selected product label.
Patios & pavingPaver Edging Calculator
Count edge restraint pieces from the exposed patio perimeter.
Patios & pavingPaver Patio Cost Calculator
Build an itemized patio budget with your own paver, labor and site preparation rates.
Patios & pavingPaver Sealer Calculator
Work out sealer gallons and full containers from surface area and label coverage.
Gravel & landscapingGravel Driveway Calculator
Estimate loose aggregate volume for one driveway layer.
Gravel & landscapingShed Gravel Pad Calculator
Estimate gravel for a shed pad using the full prepared footprint.
Gravel & landscapingPea Gravel Calculator
Calculate pea gravel yardage and bag count for paths and beds.
Gravel & landscapingRiver Rock Calculator
Estimate river rock volume for a landscape bed or border.
Gravel & landscapingMulch Calculator
Convert bed measurements into bulk mulch yards and whole bags.
Gravel & landscapingTopsoil Calculator
Estimate loose topsoil volume and bagged alternatives for a rectangular area.
Gravel & landscapingLandscape Fabric Calculator
Count fabric rolls with side overlaps and parallel strip layout.
Gravel & landscapingSod Calculator
Calculate whole sod pallets from lawn area and supplier coverage.
Fences & finishesFence Picket Calculator
Count boards for a straight, single-layer picket or privacy fence.
Fences & finishesFence Post Concrete Calculator
Estimate bagged concrete after subtracting square fence post displacement.
Fences & finishesFence Stain Calculator
Estimate stain gallons for one or both faces of a fence.
Fences & finishesDeck Stain Calculator
Find finish gallons and containers for deck boards, steps and rails.
Drainage & wallsFrench Drain Gravel Calculator
Estimate gravel around a pipe, plus a preliminary fabric wrap area.
Drainage & wallsRetaining Wall Block Calculator
Count blocks, buried courses and separate caps for a straight level wall.
Quantities you can trace.
Every calculator shows its formula and assumptions. Your supplier’s coverage, your local prices, and your site conditions determine the final order.
Read our calculation method →