Home and DIY calculators
How much concrete, paint or tile you need, in metric or US units, before you go to the store.
- Concrete calculator3 × 3 m slab, 10 cm = 0.99 m³
- Paint calculator4 × 3.5 m room = 6.8 L
- AC size (BTU)BTU, kW and tons for one room
- TilesTiles, boxes and grout
- DrywallSheets, studs, screws, tape
- Bricks and blocksBricks, blocks and mortar
- Square footageft² and m² for any room
- Roof areaSquares, bundles, pitch
- How many pieces calculator45 m with 2.4 m pieces: 21
- Limewash calculator40 m², 2 coats: 13.3 L
- Plaster calculator40 m² at 15 mm: 37 bags
- Flooring calculator5 × 4 m room: 10 boxes
- Slab and rebar calculator6 × 5 m slab: 555 kg of Ø10
- Baseboard calculator4.5 × 3.5 m room: 7 pieces
- Insulation board calculator105 m², 100 mm: 154 boards
- Floor screed calculator20 m² at 50 mm: 84 bags
- Stair calculator280 cm: 16 risers of 17.5 cm
- Cubic meter calculator2.5 × 1.2 × 0.8 m = 2.4 m³