Free UK concrete and cement calculators to estimate material quantities, concrete volume, mix requirements and project costs. Designed for builders, tradespeople and DIY users tackling foundations, driveways, slabs, columns, post holes and other concrete projects.
Volume & Quantity
Calculate concrete volume, bag quantities, ready-mix requirements and material estimates for slabs, footings, driveways, columns and other concrete projects.
Concrete calculator
Calculate concrete volume, bags needed, wastage and cost for slabs, pads, piers and post holes.
Concrete footing calculator
Calculate concrete volume, bags needed, wastage and material cost for strip footings, pad footings and round post footings.
Concrete Column Calculator
Calculate concrete volume, ready-mix, concrete bags, weight and estimated cost for circular, square, rectangular and tapered columns.
Concrete Ramp Calculator
Calculate concrete volume, slope gradients, sub-base materials, reinforcement mesh and costs for concrete ramps.
Kerb & Edging Concrete Calculator
Calculate the concrete volume, ready-mix or concrete bags required, and estimated material cost for kerb and edging installations.
Concrete Patio Cost Calculator
Calculate concrete volume, sub-base, reinforcement, wastage and material costs for concrete patios.
Structural & Reinforcement
Estimate reinforcement, concrete block fill and other structural materials for reinforced concrete projects
Concrete Block Fill Calculator
Calculate concrete or grout volume, block count and bag requirements for concrete block walls.
Concrete stairs calculator
Calculate concrete volume, bag quantities, ready-mix concrete and material cost for stairs, steps and landing pads.
Rebar Calculator
Calculate the quantity, total length, weight and stock bars required for a rectangular reinforcement grid using bar size, spacing and concrete cover.
Reinforcement Mesh Calculator
Calculate reinforcement mesh sheet quantities, overlap, wastage and material cost for reinforced concrete slabs and other rectangular concrete areas.
Materials & Mixes
Estimate quantities for specialist concrete materials, including screed, postcrete, self-levelling compound and low-carbon cement.
Self-Levelling Compound Calculator
Calculate self-levelling compound volume, dry weight, bags, mixing water and estimated material cost for one or more floor areas.
Screed Calculator
Calculate screed volume, material needed, wastage and estimated coverage for floors, extensions and renovation projects.
postcrete Calculator
Calculate Postcrete volume, bag requirements and total material weight for fence post installation.
Low-Carbon Cement Calculator
Calculate the embodied carbon of concrete projects, compare concrete mixes and evaluate potential carbon savings using embodied carbon factors.
Concrete Mix Calculator
Calculate the cement, sand, aggregate, ballast and water needed for a chosen concrete volume using standard or custom mix ratios, with optional waste allowance and mixer batch planning.
Cost & ordering
Estimate concrete costs, material weight and ordering requirements to help plan and budget your project.
Concrete Weight Calculator
Calculate concrete weight, volume, density, reinforcement, cost and load limits for slabs, footings, pads and other concrete pours.
Concrete Driveway Cost Calculator
Calculate concrete volume, sub-base material, wastage and material cost for concrete driveway projects.
Concrete bags calculator
Calculate how many bags of concrete you need, including wastage, total weight, leftover concrete and estimated material cost.
Performance & Aftercare
Estimate concrete drying, curing and other post-installation factors to help plan your project.
Concrete Drying & Curing Calculator
Calculate concrete curing and drying times using slab thickness, mix type, temperature, humidity and site conditions.