Paint area coverage, ceramic tile boxes, and finishes.
Calculate wall and ceiling paint liters, gallons, primer requirements, and multi-coat surface coverage.
text{Liters} = frac{A_{net} times N_{coats}}{text{Coverage per Liter (m}^2/text{L)}}
Estimate floor and wall tile box counts, cutting wastage, grout weight, and tile adhesive bags.
N_{tiles} = frac{A_{floor}}{L_t times W_t} times (1 + text{Wastage}%); quad text{Boxes} = leftlceil frac{N_{tiles}}{text{Tiles per Box}} rightrceil