Kalkulator Konstruksi

Estimate concrete, paint, tiles, bricks, stairs and more — free building calculators for DIY and pros.

Kalkulator Volume Beton

Work out how much concrete a slab needs in cubic metres, cubic yards and litres.

Kalkulator Cat

Estimate the litres of paint required for a wall or room from area, coats and coverage.

Kalkulator Keramik

Count how many tiles a floor or wall needs, including a cutting waste allowance.

Kalkulator Board Foot

Measure lumber volume in board feet, the standard unit for buying hardwood.

Kalkulator Kemiringan Atap

Convert roof rise and run into the x:12 pitch, angle in degrees and slope percentage.

Kalkulator Tangga

Plan a staircase: number of steps, exact riser height, tread count and total run.

Kalkulator Bata

Estimate bricks for a single-skin wall from its area, brick size and mortar joint.

Kalkulator Mulsa & Tanah

Find how much mulch, soil or gravel to order in cubic metres, cubic yards and 50 L bags.