Tile calculator
For tiles: relate covered area, tile dimensions and cutting allowance.
36 tools
Home improvement calculators
Home improvement calculators help estimate materials for renovation projects: tiles, wallpaper rolls, paint liters and laminate packs. Add a reserve and verify real product sizes before buying.
All in section
All calculators Home improvement
Tile calculator
Estimate tiles, packs and adhesive for a floor or wall area.
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Home improvement
Wallpaper calculator
Estimate wallpaper rolls from room size, roll size and pattern repeat.
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Home improvement
Paint calculator
Estimate paint liters and cans for walls or a manual area.
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Home improvement
Laminate calculator
Estimate laminate packs from room dimensions and reserve.
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Home improvement
Floor screed calculator
Estimate screed volume and the number of dry mix bags for a floor.
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Home improvement
Brick and block calculator
Bricks or blocks needed for a single-leaf wall.
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Home improvement
Air changes per hour calculator
Required airflow from room volume and the air change rate.
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Home improvement
Baluster spacing calculator
How many balusters a run takes at a maximum permitted gap.
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Home improvement
Beam deflection calculator
Deflection of a simply supported beam under uniform or point load.
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Home improvement
Beam bending stress calculator
Bending stress from the moment and the shape of the beam's cross-section.
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Home improvement
Board volume calculator
Volume of timber, of a single board, and boards per cubic metre.
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Home improvement
Bulk material calculator
Volume and mass of gravel, sand or screenings for a base layer.
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Home improvement
Cladding boards calculator
How many boards a wall takes once the overlap is accounted for.
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Home improvement
Concrete calculator
Concrete volume for a slab, a strip or columns, with an allowance.
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Home improvement
Drywall calculator
Sheets, profile and screws for a plasterboard wall or ceiling.
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Home improvement
Epoxy resin calculator
How much resin and hardener a pour needs.
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Home improvement
Fence calculator
Posts, bays and rails for a fence of a given length.
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Home improvement
Insulation calculator
Insulation volume, number of slabs and packs from area and thickness.
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Home improvement
Linoleum calculator
Running metres of roll flooring for a room, with strips, seams and offcut.
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Home improvement
Metal bar weight calculator
Mass of round, square and flat bar from the section size and length.
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Home improvement
Miter angle calculator
The cut angle for joining two pieces at a corner.
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Home improvement
Pile foundation calculator
Concrete for bored piles and the grillage beam that ties them together.
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Home improvement
Pipe weight calculator
Pipe mass from outside diameter, wall thickness, length and material density.
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Home improvement
Plaster calculator
How much dry mix a wall needs at a given layer thickness.
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Home improvement
Rafter length calculator
Rafter length, roof angle and slope for a gable roof.
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Home improvement
Roof area calculator
Slope area from the footprint and the pitch, in degrees or per cent.
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Home improvement
Roof batten calculator
Running metres, battens and timber volume for roof battening.
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Home improvement
Room volume calculator
Volume of a room from its dimensions or floor area.
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Home improvement
Sealant volume calculator
Sealant needed for a joint of a given section, and how many cartridges that is.
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Home improvement New
Skirting board calculator
Skirting length around a room, less doorways, cut into planks.
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Home improvement
Slab foundation calculator
Concrete volume and reinforcing mesh for a raft slab.
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Home improvement
Stair rise and run calculator
Step count, riser height, total run and pitch angle.
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Home improvement
Strip foundation calculator
Concrete volume for a strip from its length, width and depth.
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Home improvement
Tank volume calculator
Full tank volume and the volume held at a given level.
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Home improvement
Underfloor heating pipe calculator
Pipe length and number of loops for a wet underfloor heating layout.
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Home improvement
Wood weight calculator
Weight of timber from its volume, species and moisture content.
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Which calculation to choose
Paint calculator
For paint: estimate volume from area, coats and the stated coverage or consumption.
What to prepare
Measure actual dimensions, account for openings and check packaging data. Choose allowance for the layout and surface condition.
Common mistake
One allowance is not suitable for every layout. Area, item count and package count are different quantities.
Popular calculators
New calculators
FAQ
Should I add extra material?
Usually yes. A reserve helps cover cutting, defects and waste.
Can I calculate several rooms at once?
For now, calculate each room separately and add the results.
Are product sizes important?
Yes. Real pack area, roll size and paint coverage can change the final amount.
Categories
Finance
Loan, mortgage, compound interest, percentage and discount calculators for everyday money decisions.
Currency
Currency converter and popular pairs for quick travel, shopping and budget estimates.
Fitness
BMI, calories, running pace and one-rep max calculators for training and body metrics.
Date and time
Age and business day calculators for dates, planning and deadlines.
Maths calculators
Remainder, prime factors, proportions, equations and logarithms.
Business and marketing
Contribution margin, customer acquisition cost, average order value, returns and ad ROI.
Unit converters
Convert length, mass, temperature, pressure and other quantities between units.
Electronics calculators
Current, voltage, resistance, power and circuit supply.
Computer calculators
Download speed, bandwidth, frames, resolution and disk space.
Study calculators
Test percentages, the grade you need and reading speed.
Car calculators
Fuel consumption, power to weight, trip cost and speed.
Household calculators
Electricity use, tips and filling a pool.
Geometry calculators
Area, perimeter, volume and surface of flat and solid shapes.
Physics calculators
Force, energy, work, power and motion with stated units and models.
Chemistry calculators
Concentration, moles, dilution, pH and the ideal gas law.