Free construction calculators
Estimate bricks, cement, sand, concrete, paint, tiles and other quantities from your measurements. These are planning estimates, not structural designs.
From site measurements to an order quantity
- Start with the calculator closest to your question.
- Replace the example values with your own details.
- Open the calculation steps and read the assumptions.
- Save or print the result before checking the final decision.
Choose a calculator
Brick Wall Calculator
brick count and mortar volume after subtracting openings
Open calculator →Brick, Cement and Sand Calculator
bricks and mortar materials for a measured wall
Open calculator →Cement and Sand Mortar Calculator
cement bags and sand for a wet mortar volume
Open calculator →Plaster Calculator
wet volume, cement bags and sand for wall or ceiling plaster
Open calculator →Concrete Calculator
nominal concrete material quantities for a rectangular element
Open calculator →RCC Slab Material Estimator
slab concrete and a user-entered engineer-approved steel allowance
Open calculator →Steel Bar Weight Calculator
steel weight from bar diameter, length and quantity
Open calculator →Tile Calculator
tile count, box count and spares after wastage
Open calculator →Flooring Calculator
laminate, vinyl or plank flooring units and boxes
Open calculator →Paint Calculator
room wall and optional ceiling paint volume
Open calculator →Room Area Calculator
floor, ceiling, wall area, perimeter and volume
Open calculator →Water Tank Volume Calculator
rectangular or cylindrical tank capacity in litres
Open calculator →Staircase Dimension Calculator
stair risers, treads, run and slope geometry
Open calculator →House Construction Cost Estimator
a cost range from user-entered area and rate
Open calculator →Area, volume and wastage do different jobs
Measure the net area or volume first. Then apply the mix, product coverage and wastage settings. Round up only when you turn the estimate into a purchase quantity.
Before you calculate
Why are purchase quantities rounded up?
Estimate bricks, cement, sand, concrete, paint, tiles and other quantities from your measurements. These are planning estimates, not structural designs.
Can these results replace an engineer?
The result shows the exact formula and the settings used.
Which dimensions should I measure?
Use the answer for planning, then check the important label, specification or official record.