DIY & Home Improvement Calculators
Get Your Project Right helps people plan materials, quantities and practical home-improvement projects with transparent assumptions and useful buying estimates.
Popular project calculators
- Paint Calculator — Estimate litres for walls and ceilings with practical UK tin buying recommendations.
- Flooring Calculator — Work out pack counts for laminate, LVT, and real wood with sensible cutting waste.
- Underlay Calculator — Calculate how much flooring underlay you need, including waste allowance, roll or pack coverage and practical buying quantities.
- Carpet Calculator — Calculate the carpet cut length and area you need based on your room size and carpet roll width, including estimated offcut and optional cost.
- Self-Levelling Compound Calculator — Calculate how much self-levelling or smoothing compound you need based on floor area, application depth and manufacturer-stated product coverage.
- Screed Calculator — Estimate screed volume, litres and bag quantities from floor area, planned depth and product yield.
- Tile Calculator — Work out wall and floor tile counts, box quantities, and practical cutting waste allowances.
- Grout Calculator — Calculate how much tile grout you need using tiled area, tile size, grout joint dimensions and manufacturer-stated consumption.
Practical DIY guides
- How to Paint a Room (Beginner’s Complete Guide) — The step-by-step process for achieving a smooth, streak-free professional finish from ceiling to skirting.
- How to Measure a Room for Painting & Flooring — A simple guide to taking accurate room dimensions, accounting for alcoves, doors, and bay windows.
- How to Prepare Walls Before Painting — 90% of a quality paint job is in the preparation. Learn how to wash, fill, sand, and seal walls.
- How to Cut In Paint Like a Professional — Master the sharp, clean line along ceilings and skirting boards without wobbly edges.
- How to Paint New Bare Plaster (Preparation & First Coat) — Avoid flaking and peeling emulsion on fresh plaster with proper preparation and first-coat application according to paint instructions.
- How Many Coats of Paint Do You Really Need? — Decide whether one, two or more paint coats are needed by checking the colour change, wall condition, product coverage and drying instructions.
- Solar Panels, Batteries & Inverters Explained — Understand the main parts of a home solar system, including panels, string and hybrid inverters, batteries, optimisers and export.
- How Smart Solar, Batteries & EV Charging Work Together — A plain-English guide to solar priorities, battery charging, grid import, export and smart EV charging schedules.
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