Skip to content

Calculators Site

Finance Property Health Automobile & transport Education

All categories

Browse calculator categoriesExplore all categories

Money & planning

Finance & investing

Health & wellbeing

Health & fitness

Home & property

Property & mortgages

Learning & science

Travel & transport

Automobile & transport

Search calculators

EXPLORE A TOOL

No matches found.

Try “mortgage”, “BMI” or “savings”.Suggest a calculator

Search mortgage, loan, BMI and other calculators.Esc to close

Finance & investing Property & mortgages Health & fitness Automobile & transport Education All calculators About Calculators Site Contact

Loading page…

Calculators Site

Calculators for finance,
health and everyday maths.

Finance, health and everyday tools

Explore

Finance & investing Health & fitness Property & mortgages Salary & employment Education

More calculator categories

All 43 categories General calculator Animals & pets Automobile & transport Betting & odds Bridging & development Business & ecommerce Business finance

Behind Calculators Site

About Calculators Site Editorial standards Our authors Get in touch

© 2026 Calculators Site.

Privacy Terms Cookies & choices

Home/Home & construction

HOME & PROPERTY

Home and construction calculators

Free construction and home energy calculators for concrete, gravel, brick, paving, turf, roofing, insulation and heating. Quantities, U-values and heat loads.

71 tools to exploreCHOOSE YOUR STARTING POINT

UK concrete calculatorUK concrete calculator: work out the volume of a slab, footing or path in cubic metres, the weight, and how many 25 kg bags of mix you need.UK btu calculatorUK BTU calculator: size a radiator or heater for a room from its dimensions and insulation level, in watts and BTU per hour.US heat pump cost calculator ($2,000 tax credit)Estimate US heat pump installation costs including ducted and ductless mini-splits, with the federal IRA Section 25C $2,000 tax credit deducted.US fence installation cost calculatorCalculate fence installation costs per linear foot in the US for wood privacy, vinyl, chain link, and aluminum fencing including gates and labor.US tree removal cost calculatorEstimate tree removal costs in the US based on tree height in feet, crane/bucket truck access, stump grinding, and log hauling.UK aggregate calculatorUK aggregate calculator: estimate ballast or mixed aggregate for a driveway base in cubic metres, tonnes and 850 kg bulk bags to order.US home addition cost calculatorEstimate the cost of room additions, second-story expansions, and primary suite additions in the US by square footage and finish quality.UK tarmac calculatorUK tarmac calculator: estimate the tonnage of asphalt a drive or path needs from your own area and depth, at a stated compacted density.US vinyl window replacement cost calculatorEstimate vinyl replacement window costs in the US: calculate supply, labor, window styles (double-hung, casement), and energy-efficient glazing.UK gravel calculatorUK gravel calculator: work out how much gravel a path or drive needs in cubic metres, tonnes and 850 kg bulk bags, from your own area and depth.UK home rebuild cost calculatorCalculate the estimated rebuilding cost of your UK home for building insurance purposes using BCIS and ABI industry benchmarks.UK u value calculatorUK U value calculator: build up a wall, roof or floor from its layers and see the U-value in W/m²K against the target you set.Wallpaper calculatorWallpaper calculator: work out how many rolls a room needs from its perimeter and height, allowing for doors, windows and the pattern repeat.US home rebuild cost calculatorCalculate the replacement rebuild cost of your US home for homeowners insurance Dwelling Coverage A using RSMeans and regional construction data.US boiler replacement cost calculatorCalculate residential boiler replacement and installation costs in the US for natural gas, oil, and high-efficiency condensing hydronic systems.Decking calculatorDecking calculator: work out how many boards a deck needs from its size, the board width and the gap, including a waste allowance for cuts.US attic conversion cost calculatorCalculate the cost to finish an attic or add dormers and bathrooms in the US, turning unused attic space into living area.UK brick calculatorUK brick calculator: work out how many bricks a wall needs from its area, the brick size and the mortar joint, with a waste allowance.Pond volume calculatorPond volume calculator: work out a pond's volume in litres, imperial gallons and US gallons from its length, width and average depth.Tile calculatorTile calculator: work out how many tiles an area needs from the tile size and grout joint, with a waste allowance for cuts and breakages.Paint calculatorPaint calculator: work out how many litres and tins a room needs from the area, the number of coats and the coverage printed on the tin.Roof pitch calculatorRoof pitch calculator: turn a rise and run into degrees, rise per 12 and a percentage slope, with the rafter length including the overhang.UK hardcore calculatorUK hardcore calculator: estimate MOT Type 1 or crushed concrete for a driveway sub-base in cubic metres, tonnes and 850 kg bulk bags.UK heat loss calculatorUK heat loss calculator: add the fabric loss through walls, roof and floor to the ventilation loss at a stated design temperature.Pond liner calculatorPond liner calculator: work out the liner size a pond needs, allowing for the depth on both sides and an overlap under the edging.Curtain size calculatorCurtain size calculator: work out how much fabric a window needs from the track width, the fullness ratio and the finished drop.Carpet calculatorCarpet calculator: work out the carpet area, the length to order off a roll and the area in square yards, with a waste allowance.UK solar panel calculatorUK solar panel calculator: turn a panel count and rating into kWp, annual generation in kWh and the share used in the home.Steel weight calculatorSteel weight calculator: work out the weight of a round bar, square bar or plate from its dimensions, at 7,850 kg per cubic metre.UK soil calculatorUK topsoil calculator: work out how much soil a bed or lawn needs in cubic metres, tonnes and 850 kg bulk bags, using a stated loose density.Volume of aquarium calculatorAquarium volume calculator: work out a tank's volume in litres, imperial gallons and US gallons from its length, width and water depth.UK house extension cost calculatorEstimate the total cost of a single or double-storey house extension in the UK, including shell construction, fit-out, professional fees, and VAT.UK loft conversion cost calculatorEstimate UK loft conversion costs for Velux, dormer, hip-to-gable, and mansard conversions, including bathroom additions and structural work.UK ramp calculatorUK ramp calculator: work out the length a ramp needs at a chosen gradient, how many flights Part M allows and the landings between them.UK sand calculatorUK sand calculator: turn a length, width and depth into cubic metres, tonnes and 850 kg bulk bags of building or paving sand.UK screed calculatorUK screed calculator: work out the volume of floor screed, its weight, and how many 25 kg bags you need for a given area and thickness.UK stair calculatorUK stair calculator: turn a floor to floor rise into the number of risers, the actual riser, the pitch and a Part K check.UK uPVC windows price calculatorCalculate replacement uPVC double and triple glazing window prices across the UK, including supply, fitting labour, and disposal of old frames.UK garden fencing cost calculatorEstimate garden fencing costs in the UK by length in metres: calculate panels, concrete or wooden posts, gravel boards, gates, and installation labour.UK heat pump cost calculator (£7,500 grant)Calculate air source and ground source heat pump installation costs in the UK, including the £7,500 Boiler Upgrade Scheme (BUS) grant deduction.UK block paving calculatorUK block paving calculator: turn a driveway area into the number of 200 x 100 mm blocks, with a waste allowance for edge cuts.Glass weight calculatorGlass weight calculator: work out the weight of a pane from its size and thickness, at 2.5 kg per square metre per millimetre.Plasterboard calculatorPlasterboard calculator: work out how many sheets a wall or ceiling needs from the area and the sheet size, with a waste allowance.UK turf calculatorUK turf calculator: work out how many rolls a lawn needs in square metres, with a waste allowance for cuts around the edges.UK boiler size calculatorUK boiler size calculator: compare the heat loss with the hot water demand and round up to the next common combi output in kW.Grout calculatorGrout calculator: work out how much grout a tiled area needs from the tile size, the joint width and the joint depth.UK roof tile calculatorUK roof tile calculator: work out how many tiles a roof needs from the roof area, the tile width and the batten gauge.UK spindle calculatorUK spindle calculator: work out how many spindles a run needs so no gap exceeds the 100 mm sphere rule, and the gap you get.UK tree removal cost calculatorEstimate tree felling, sectional dismantling, stump grinding, and waste disposal costs across the UK based on tree height and site complexity.Panelling calculatorPanelling calculator: work out how many panels a wall needs from the area and the panel size, with a waste allowance for cuts.UK boiler installation cost calculatorEstimate new boiler installation and replacement costs in the UK for combi, system, and conventional boilers with Gas Safe certified fitting.US concrete calculatorUS concrete calculator: work out the volume of a slab, footing or path in cubic yards, the weight, and how many 80 lb bags of mix you need.US aggregate calculatorUS aggregate calculator: estimate base aggregate for a driveway in cubic yards, short tons and 0.5 cu ft bags, from your own area.US gravel calculatorUS gravel calculator: work out how much gravel a path or drive needs in cubic yards, short tons and 0.5 cu ft bags, from your own area.US sand calculatorUS sand calculator: turn a length, width and depth into cubic yards, short tons and 0.5 cu ft bags of building or paving sand.US soil calculatorUS topsoil calculator: work out how much soil a bed or lawn needs in cubic yards, short tons and bags, using a stated loose density.US hardcore calculatorUS hardcore calculator: estimate crusher run or crushed concrete for a driveway sub-base in cubic yards, short tons and 0.5 cu ft bags.US tarmac calculatorUS tarmac calculator: estimate the tonnage of asphalt a drive or path needs from your own area and depth, at a stated compacted density.US screed calculatorUS screed calculator: work out the volume of floor screed, its weight, and how many 50 lb bags you need for a given area and thickness.US brick calculatorUS brick calculator: work out how many bricks a wall needs from its area, the brick size and the joint, with a waste allowance.US block paving calculatorUS block paving calculator: turn a driveway area into the number of 4 x 8 in pavers, with a waste allowance for edge cuts.US turf calculatorUS turf calculator: work out how many pallets a lawn needs in square feet and square yards, with a waste allowance for cuts.US roof tile calculatorUS roof tile calculator: work out how many shingle bundles a roof needs from the roof area, in squares and bundles.US U value calculatorUS U value calculator: build up a wall, roof or floor from R-values per inch and see the U-value in Btu/h·ft²·°F against your target.US heat loss calculatorUS heat loss calculator: add the fabric loss through walls, roof and floor to the ventilation loss, in Btu/h at a design temperature.US Btu calculatorUS BTU calculator: size a heater for a room from its dimensions and insulation level, in BTU per hour and watts.US boiler size calculatorUS boiler size calculator: add a pickup allowance to the heat load and the water heating load to reach the output a boiler needs.US solar panel calculatorUS solar panel calculator: turn a panel count and rating into system kilowatts, annual generation and the share used on site.US ramp calculatorUS ramp calculator: work out the length a ramp needs at a chosen slope, how many runs the ADA allows and the landings between them.US stair calculatorUS stair calculator: turn a floor to floor rise into the number of risers, the actual riser, the pitch and an IRC check.US spindle calculatorUS spindle calculator: work out how many balusters a run needs so no gap exceeds the 4 in sphere rule, and the gap you get.

Have something else in mind?Suggest a calculator

CALCULATOR INPUTS AND METHODS

Home & construction calculator inputs and methods

Choose the calculation that matches your question and the inputs you have. Each calculator in the home and construction calculators collection explains its inputs, method and result limitations.

Explore our standards

BROWSE THE CALCULATOR COLLECTION

Find a calculator by category

Explore calculators