DIY & Tools Calculators & Planners
3 free calculators to help you plan DIY jobs safely, from ladders to electrics and decorating.
Paint Calculator
Work out how many litres of paint and how many coats you need for a room.
Extension Lead Load Calculator
Check whether the appliances you want to plug into an extension lead exceed its safe amp rating.
Ladder Height Calculator
Work out the right ladder length and safe base distance for the height you need to reach.