Trade-verified calculations, film thickness standards, surface preparation guides, and material estimation formulas for DIYers and professional painters.
A practical guide to calculating exact paint gallons needed for a standard 12x14 room, including walls, ceilings, doors, trim, and windows.
Understand the physical and chemical differences between drying and curing. Learn how ambient humidity, temperature, airflow, and film thickness dictate recoat timing.
Learn how to accurately calculate paint coverage per gallon using theoretical spreading rates, volume solids percentages, and substrate porosity loss factors.
A complete budgeting guide for home painting projects. Calculate paint costs, labor rates per square foot, supply allowances, and waste margins.
Master two-component (2K) coating mixing calculations. Understand Part A to Part B mix ratios by volume vs weight, pot life, and induction times.
Learn when primer is necessary, how to select between shellac, oil, and acrylic latex primers, and how to calculate primer coverage accurately.
Master technical coating measurements. Understand WFT to DFT conversion formulas, ASTM standards, volume solids, and mil gauge testing.
Use our suite of free online calculators for paint coverage, room dimensions, wet film thickness, primer estimation, and project costs.
