Kalkulator Cat

Use the free online Kalkulator Cat tool. Fast, private and easy to use — runs entirely in your browser. Part of our Kalkulator Konstruksi collection.

Kalkulator Volume Beton

Length (m) Width (m) Thickness (cm)

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

Wall area (m²) Coats Coverage (m² per litre)

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

Floor area (m²) Tile width (cm) Tile height (cm) Waste allowance (%)

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

Length (ft) Width (in) Thickness (in) Number of boards

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

Rise Run

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

Total rise (cm) Target riser height (cm) Tread depth (cm)

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

Wall area (m²) Brick length (cm) Brick height (cm) Mortar joint (cm) Waste allowance (%)

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

Bed area (m²) Depth (cm)

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

Is the Kalkulator Cat free to use?

Yes. The Kalkulator Cat is completely free with no sign-up, no limits and no watermarks. You can use it as many times as you like.

Is the Kalkulator Cat safe and private?

Absolutely. The Kalkulator Cat runs entirely in your browser, so your data never leaves your device and nothing is uploaded to a server.

Do I need to install anything to use the Kalkulator Cat?

No installation is needed. The Kalkulator Cat works instantly online in any modern browser on desktop, tablet or mobile.

Does the Kalkulator Cat work on mobile phones?

Yes. The Kalkulator Cat is fully responsive and works smoothly on iPhone, Android and any other device.