Buy the same batch
Purchase the full quantity together when possible, then box the cans together for the most consistent color.
Complimentary Project Calculator
How much paint does your room need?
Plan the right quantity before you shop, with deductions for doors and windows and an allowance for the number of coats.
A better paint-day plan.
Check the label
Coverage varies by product, surface texture, and color change. Use the manufacturer's coverage when it differs.
Double-check by hand
Measure unusually large doors or windows separately and confirm whether primer, extra coats, or a touch-up reserve changes the plan.