Calculators

Construction calculators for South Africa.

Free, no sign-up. Every calculator shows its formula, its assumptions, and where the rates come from.

Cost

Estimate the cost to build, per m², anywhere in South Africa.

Turn direct cost into a tender price with P&G, overhead, and profit.

Volume, cement, sand, stone, and cost for a concrete pour.

How many bricks and how much mortar a wall needs.

Litres of paint and cost for walls, by coat.

Sheet area and cost for a metal roof.

Reinforcing steel mass and cost for a concrete element.

Monthly home-loan repayment and SARS transfer duty.