ProjectCalcBUILT FOR THE JOB.

THE JOBSITE TOOLBOX

Construction calculators.
Materials made clear.

Work out square footage, concrete volume, gravel quantities and fence materials. Enter feet, inches, fractions or metric measurements and get a practical estimate you can save for the next site visit.

✓ Free to use✓ No login✓ Imperial + metric
START WITH YOUR MEASUREMENTS

From area to volume.
From volume to materials.

Calculate square feet, cubic yards or cubic meters, then carry your dimensions into a concrete or gravel estimate.

Calculate area & volume

YOUR WORK, READY TO REOPEN

Saved projects

Save an estimate inside any calculator, then return here. Kept in this browser only; no account needed.

Open saved projects

No saved projects in this browser yet. Use Save below a calculator result to keep one.

MEASURE. CALCULATE. BUILD.

Find your tool

07 PURPOSE-BUILT CALCULATORS

Fence & posts

Fence materials

Posts, pickets and rails. A practical material takeoff.

Calculate

Fence cost

Materials, labor and extras. Know what goes into the budget.

Calculate

Post hole concrete

Concrete per hole, post displacement and bags to buy.

Calculate

Concrete & aggregate

Concrete

Slabs, pads and pours. Cubic yards, meters and bags.

Calculate

Gravel

From layer depth to volume, tons and bag quantities.

Calculate

Measure & convert

Area & volume

Simple shapes. Square footage and volume made clear.

Calculate

Unit converter

Feet, fractions, metric and more. Get the units right.

Calculate

Know what’s behind the number.

Every tool includes its formulas, assumptions and a worked example. Purchase quantities round up; the math stays precise.

Our calculation standards