Free tools
Building calculators for Zimbabwe
Work out the bricks, cement, sand, steel, roofing, tiles, paint, cable and solar for your project, using the materials and practice we build with here. Free, no sign-up, and the figures are yours to share with your builder.
Brickwork and plaster
Concrete and steel
Concrete and steel
Concrete calculator
Cement, river sand and stone for slabs, footings, columns and beams, by mix strength.
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Concrete and steel
Floor screed calculator
Cement and river sand for a floor screed, at the thickness you need.
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Concrete and steel
Reinforcing steel calculator
Weights and bar counts for reinforcing bars, and mesh sheets for a slab.
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Finishes
Finishes
Skimlite calculator
How many 20 kg bags of Skimlite to skim a wall or ceiling, by thickness.
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Finishes
Paint calculator
Litres of paint for a room or a wall, with tins worked out in 20, 5 and 1 litre sizes.
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Finishes
Tile calculator
Tiles, boxes, adhesive and grout for a floor or a wall.
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Finishes
Ceiling calculator
Gypsum boards or PVC strips, brandering and cornice for a ceiling.
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Electrical and solar
Electrical and solar
Cable size calculator
The copper cable size and breaker for a circuit, checked for current and voltage drop.
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Electrical and solar
House wiring and circuit planner
How many circuits a house needs, with breaker and cable sizes and distribution board ways.
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Electrical and solar
Lighting calculator
How many light fittings a room needs for the right brightness, and how to space them.
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Electrical and solar
Solar and backup power calculator
Daily energy use, inverter size, battery capacity and solar panels for a home or business.
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Pit sand for plaster and mortar, river sand for concrete and screeds, cement in 50 kg bags: the calculators follow how building is actually done in Zimbabwe. They give quantities for planning and for checking a quote; a builder ordering for a whole house works from a bill of quantities.
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Tell us what you want to build
A house, a brand, a website, a system, or all of it. Send a message and we will map out the path from idea to reality.