Home tools
Everyday tools for household planning and projects.
21 tools
2-Stroke Oil Mix CalculatorHow much two-stroke oil to add to your petrol — for 50:1, 40:1, 32:1, 25:1, 100:1 or any ratio, in ml or fl oz.BTU CalculatorFind the air conditioner size in BTU/h and kW for a room, using the ENERGY STAR sizing chart.Baseboard & Skirting Board CalculatorWork out how many lengths of baseboard or skirting board you need for a room, minus doorways and plus waste.Cake Pan Size ConverterScale a recipe to a different cake pan — round, square or rectangular — and see how much to multiply every ingredient by.Carpet CalculatorFind how much carpet to buy for a room from a fixed-width roll, with seams, offcut and cost.Chore Wheel GeneratorShare household chores fairly at random and rotate them every week — a chore chart for families, flatmates and roommates.Cooking Measurement ConverterConvert cups, tablespoons, teaspoons, fluid ounces, millilitres and litres for recipes.Firewood Energy CalculatorHow many kWh of heat you get from firewood — by sacks or weight, moisture content and stove efficiency — and what the same heat costs as electricity.Flooring CalculatorWork out how many packs of laminate, vinyl or wood flooring you need.Grass Seed CalculatorWork out how much grass seed you need for a new lawn — in kg or lb, and how many bags to buy.Mulch CalculatorWork out how much mulch, bark or compost you need for a garden bed — and how many bags.Oven Temperature ConverterConvert oven temperatures between °C, °F, fan oven and UK gas marks.Paint CalculatorWork out how much paint you need for a room, minus doors and windows.Pizza Dough CalculatorWork out how much flour, water, salt, yeast and oil you need for any number of pizza dough balls, using baker’s percentages.Plant Spacing CalculatorWork out how many plants you need for a bed or area from the spacing — square grid, triangular (offset) grid or rows.Pool Volume CalculatorFind how many litres or gallons your swimming pool holds — rectangular, round or oval.Rainwater Harvesting CalculatorEstimate how much rainwater your roof can collect from a rainfall total — in litres or gallons.Recipe ScalerScale a recipe up or down to any number of servings — paste the ingredients and get every amount recalculated, fractions included.Square Footage CalculatorCalculate the area of a room or space in square feet, square metres and square yards — and what it will cost.Topsoil CalculatorWork out how much topsoil you need for a lawn, border or raised beds, in m³ or cubic yards and bags.Wallpaper CalculatorFind how many rolls of wallpaper you need, including pattern repeat.