How many boxes of tiles do I need?
Calculate tile boxes from room area, a chosen waste allowance and the coverage on the pack. Follow a worked 3.2 × 2.4 m example.
Read the guide : How many boxes of tiles do I need?Make sense of your measurements
Specific answers to the questions that come up while planning: whole-box quantities, paint coverage, frame sizes and the measurements behind them. Every guide links to a tool you can use.
How many laminate flooring packs for 18 m²?
See why 18 m² with a 10% allowance needs 9 packs at 2.2 m² per pack, and how another pack size changes the purchase.
Read the guide : How many laminate flooring packs for 18 m²?How to calculate paint for two coats
Calculate wall paint from perimeter, height, openings and coverage per coat. Keep ceiling paint and primer separate, then round to tins.
Read the guide : How to calculate paint for two coatsDoes a 50 × 70 cm print fit a 20 × 28 inch frame?
Compare 50 × 70 cm with 20 × 28 inches, including the actual size difference, mat opening and the frame’s internal fitting dimensions.
Read the guide : Does a 50 × 70 cm print fit a 20 × 28 inch frame?How to calculate an L-shaped room area
Split an L-shaped room into two non-overlapping rectangles to calculate square metres or square feet, with a worked 8.88 m² example.
Read the guide : How to calculate an L-shaped room areaTile waste allowance vs box rounding
Understand why a 10% tile allowance and rounding to whole boxes produce different quantities, and why extra coverage is not reusable waste.
Read the guide : Tile waste allowance vs box roundingHow to calculate primer separately from paint
Calculate primer using its own surface area, coat count, coverage rate and tin size instead of reusing the finish-paint quantity.
Read the guide : How to calculate primer separately from paintConvert centimetres to inches without changing the size
Use the exact 2.54 cm-per-inch conversion, distinguish length from area and avoid rounded dimensions in frame-fit and material calculations.
Read the guide : Convert centimetres to inches without changing the sizeWhat to put on a printable material shopping list
Keep quantities, pack sizes, currency, measurements and assumptions together when printing a tile, flooring or paint shopping list.
Read the guide : What to put on a printable material shopping list