How Much Paint Do I Need for a Room? (Contractor Formulas, Primer Rules & 2026 DIY Guide)
Nothing stalls a weekend painting project faster than realizing you are a half-gallon short on your final wall—or conversely, having two expensive custom-tinted gallons sitting unused in your garage. Estimating paint with precision is not guesswork; it is standard trade mathematics. 1. The Master Formula for Wall Surface Area To calculate how much paint your … Read more