Free Calculators & Planners — Page 4
Free interactive tools to help you plan your next garden or home project in the UK. Filter by category or by what the calculator works out — each filter combination has its own page you can bookmark or share directly.
Showing 5 of 5 calculators & planners
Shower Water Usage Calculator
Estimate how much water and money your household’s showers use each week.
Electric Heater Running Cost Calculator
Estimate the running cost of an electric heater based on its wattage and how long you run it.
Room Lighting (Lumens) Calculator
Work out how many lumens and bulbs a room needs based on its size and use.
Pet Bed Size Calculator
Find the right bed size for your dog or cat based on their weight or measurements.
Robot Vacuum Coverage Calculator
Check whether a robot vacuum’s per-charge coverage can clean your whole floor area in one go.