Everyday life

Tips, fuel, electricity, paint, heating, solar panels… Handy calculators for your home, your car and everyday life.

24 calculators
Tip and bill splitterWork out the tip and what each person pays.Open →
Trip fuel cost calculatorEstimate the fuel cost of a trip and the cost per passenger.Open →
Electricity cost calculatorWhat a PC, heater or console costs to run per day, month and year.Open →
Area calculator (m²)Area and perimeter of a room, a garden or a wall, plus paint needed.Open →
Random number generatorPick one or more random numbers between two values, with or without repeats.Open →
Unit price comparisonBig pack or small pack? Find which product is cheaper per kilo or litre.Open →
Robux to euro converterWhat Robux cost to buy, and what they earn a creator through DevEx.Open →
Electric vs petrol car costCompare the energy cost of an electric and a petrol car over your mileage.Open →
Tile and flooring calculatorHow many tiles or boxes of flooring to buy for a room, including waste.Open →
Dog and cat age in human yearsHow old would your pet be if it were human?Open →
Car fuel consumptionWork out your real L/100 km after filling up, and the cost per kilometre.Open →
Paint calculatorHow much paint and how many tins you need for a room, minus doors and windows.Open →
Concrete calculatorHow much concrete for a slab, patio or footing, and how many bags to buy.Open →
Shower water usageHow much water and money your showers use per year, and what a shorter shower would save.Open →
TV size and viewing distanceReal width and height of a screen in inches, and the right distance to watch it from.Open →
Fair rent split by incomeA fair way to split rent and bills between partners or roommates, based on what each person earns.Open →
LED bulb savingsHow much you save by switching bulbs, and how quickly the LEDs pay for themselves.Open →
Moving volume calculatorEstimate how much stuff you have and which van size to rent.Open →
Heating cost by energy typeGas, oil, pellets, heat pump or electric: what does your heating cost per year?Open →
Solar panel payback calculatorWhat your system produces, how much it saves you and how many years until it pays for itself.Open →
Pool volume calculatorWater volume, filling cost and chlorine dose for a rectangular, round or oval pool.Open →
Tyre size calculatorDiameter and circumference of a tyre (e.g. 205/55 R16), and the speedometer error if you change size.Open →
EV charging time and costHow long to charge from 20 to 80% depending on the charger, and what it costs.Open →
Compare two energy tariffsUnit price and standing charge: which tariff is cheapest for your usage?Open →