DIY tools
Free calculators for jobs around the house, so you can measure once, cut once and get it right first time. Made for UK homes, in millimetres, with no sign-up.
Wall panelling calculator
Space shaker boxes or vertical battens evenly. Get marking positions, cut lengths, a wall diagram and a cutting list.
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Laminate flooring calculator
Work out how much to rip off the first row so the last row isn't a sliver. Packs to buy, joint stagger and underlay too.
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About these tools
Each tool does one job and explains the maths on its own page, so you can check the numbers before you cut anything. They run entirely in your browser, so nothing you type is stored or sent anywhere.
Before drilling, nailing or screwing into a wall, check it for hidden cables and pipes with a detector, and turn off the power if you're working near sockets or switches.