OneTaskHome and DIY Calculators
Paint, Tile, Flooring, Decking and Fencing Calculators for Home Projects
Calculators for jobs around the house. Work out how much paint, flooring, tile, concrete, decking or fencing to buy, measure a room's area and volume, and plan the layout with a floor plan tool. Each calculator adds a sensible waste allowance so you don't run short mid-job.
73 tools tagged Home And DIY
Air Conditioner Sizing Calculator
Air conditioner size in kW and BTU for a room, adjusted for climate.
Battery Sizing Calculator
Battery capacity in kWh and Ah from nightly use, autonomy and depth of discharge.
Beam Load Calculator
Bending stress and deflection of a beam under an even load.
Bed Size Calculator
Mattress dimensions by country in cm and inches, and nearest sizes.
Board Foot Calculator
Board feet, cubic volume and cost of timber or lumber.
Capacitor And Inductor Calculator
Reactance, RC and RL time constants and LC resonant frequency.
Capital Growth Calculator
Future property value or the growth rate since purchase.
Concrete Calculator
Concrete volume for slabs, footings and post holes, plus bags.
Concrete Post Hole Calculator
Concrete volume and bags per fence post hole, metric or feet and inches.
Concrete Slab Calculator
Concrete volume, weight and bags for a slab from its three dimensions.
Curtain Size Calculator
Curtain width, drop and fabric for a window and heading style.
NewDecimal To Fraction Calculator
Decimals to simplified fractions, recurring decimals and inch fractions included.
Decking Calculator
Decking boards, lineal metres, joists and screws for a deck, with waste.
Drainage Fall Calculator
Fall, gradient, slope and angle for drains, patios and gutters.
Extra Mortgage Payment Calculator
Interest and years saved by overpaying your mortgage.
Fence Calculator
Posts, rails, pickets and concrete for a fence run, with waste.
Floor Plan 3D Preview
List rooms as rectangles and walk around them in 3D.
Flooring & Tile Calculator
Tiles, planks or boards for a room, with waste and box count.
Furniture Dimensions Calculator
Standard furniture sizes and whether a piece fits your space.
NewGas Meter Reading Calculator
Turn gas meter readings into kWh and cost.
Generator Size Calculator
Generator watts from your appliances' running and starting loads.
Gravel & Sand Calculator
Gravel, sand and road base by volume and tonnage, with waste.
Heating And Cooling Cost Calculator
Running cost of heating or cooling from output, hours and your price.
Home Affordability Calculator
The price you can afford from income, deposit and rate.
UpdatedHome Equity Calculator
Your home equity and how much of it you can use.
House Cleaning Cost Calculator
Cleaning hours and cost per visit at your own hourly rate.
House Deposit Calculator
The deposit, cash needed and time to save it.
House Name Generator
House names like Rose Cottage, The Old Rectory, Orchard House, Fernlea and Hilltop.
UpdatedInterest-Only Mortgage Calculator
Interest-only repayments and what happens when they end.
Landscaping Cost Calculator
Garden project budget from your areas, rates and labour.
Loan-to-Value Calculator
The LVR of a mortgage and what it takes to hit a target.
Lumens Calculator
Lumens, bulbs and LED watts for a room from its size and use.
NewMixed Number Calculator
Add, subtract, multiply and divide mixed numbers with steps.
Mortgage Comparison Calculator
Which of two home loans is cheaper once fees count.
Mortgage Offset Calculator
Interest and years saved by an offset account.
NewMortgage Payoff Date Calculator
Find the month and year your mortgage is paid off.
NewMotion Detection Camera
Webcam motion sensor with alerts and time-stamped photos.
Moving Cost Calculator
Movers, hours and cost of a house move at your own rates.
UpdatedMulch & Topsoil Calculator
Mulch, topsoil and compost by volume, bags and weight, with waste.
NewNegative Equity Calculator
See your mortgage shortfall and when equity turns positive.
Paint Calculator
Litres and cans from wall area, coats and coverage rate.
Paint Colour Name Generator
Paint colour names like Cornish Slate, Morning Linen and Drawing Room Blue.
NewPainting Company Name Generator
Painter names like Fresh Coat Painters, Hartley Painting & Decorating and True Line Finishes.
Pipe Volume Calculator
Water held in a pipe in litres and gallons, and its weight.
Planting Date Calculator
Sow and plant-out dates for vegetables from your last frost.
Plug And Socket Types By Country
Socket type, voltage and frequency for every country.
Pool Cost Calculator
Pool volume, build, fill and yearly running cost at your rates.
NewPool Service Name Generator
Pool names like Crystal Clear Pools, Blue Lagoon Pool Care and Hartley Pool Service.
Property Buying Costs Calculator
Every buying cost and the total cash you need.
Property Cash Flow Calculator
What a rental property costs or pays you each week.
Property Settlement Calculator
The balance at settlement with rates adjusted by day.
Rafter Length Calculator
Common rafter length, rise and cut angles from span and pitch.
Refinance Calculator
New payment, break-even month and lifetime saving from refinancing.
NewRegular Polygon Calculator
Every measurement of a regular polygon from one known value.
Renovation Cost Calculator
Renovation budget from area, your build rate, fees and contingency.
Rent Affordability Calculator
The rent you can afford from your income.
Rent Vs Buy Calculator
Whether buying or renting leaves you better off.
Rental Yield Calculator
Gross and net rental yield on an investment property.
Roof Pitch Calculator
Roof pitch, angle and slope percentage from rise and run.
Room Area And Volume Calculator
Floor area, wall area and volume of a room in metric or imperial.
Screw And Bolt Size Chart
Pilot, tap drill, clearance hole and spanner size by screw or bolt.
Soil PH Calculator
Lime or sulfur needed to raise or lower soil pH by area.
Solar Installation Cost Calculator
Solar system cost from size, your price per watt and battery.
Solar Panel Sizing Calculator
System size, panel count and roof area from your daily kWh and sun hours.
Solar Payback Calculator
Solar payback period and 25-year savings, including feed-in tariff on exports.
Speaker Impedance Calculator
Total ohms for speakers in series, parallel or series-parallel.
Stair Calculator
Steps, riser height, run and stringer length from total rise.
Transformer Calculator
Turns ratio, secondary turns and primary current from two voltages.
Turf Calculator
Rolls of turf or sod, pallets, weight and cost for a lawn.
TV Viewing Distance Calculator
Ideal viewing distance for any TV size, and the right size for your room.
Utility Bill Calculator
An electricity, gas or water bill from usage and rates.
Wallpaper Calculator
Rolls of wallpaper from wall size, roll size and pattern repeat.
Water Tank Capacity Calculator
Tank capacity and water at a given depth, in litres and gallons.