How much paint do I need for a ceiling?

Ceiling area × coats ÷ coverage, plus a small buffer for texture and cut-ins.

Ceilings often need more paint than you expect because texture and roller technique reduce real coverage.

Measure the ceiling area, pick a realistic coverage rate, decide coats, then round up to whole cans so you don’t run short mid-project.

Step-by-step: ceiling paint estimate

Measure ceiling footprint (length × width) for each room and add them up.
Decide whether to treat soffits or tray ceilings as separate sections and include those areas.
Choose coats (often 1 for same-color repaints, 2 for big color changes or stained ceilings).
Use a realistic coverage rate (textured ceilings can cover less than the label).
Add 5–10% buffer, then round up to whole gallons/liters.

Practical tips

Popcorn and heavy texture usually need more paint—lean toward the higher buffer.
Cutting in around trim uses more paint than rolling; keep a little extra for edges and touch-ups.
Flat ceiling paint touches up differently than satin/eggshell—keep the same product for repairs.
If you’re using a sprayer, plan for overspray and equipment loss; a slightly larger buffer helps.

Want the fast estimate?

Use our paint calculator and share a link that keeps your inputs.

Use the calculator

FAQ

Should I use the same coverage rate as walls?

Start with the product label, then adjust down for texture and application method. Ceilings often cover a bit less than smooth walls.

Do I subtract light fixtures or vents?

Usually no. The area is small and your buffer covers it. Subtract only if you want a very tight estimate and there are many large openings.

How do I estimate vaulted ceilings?

Measure the sloped surface area (not the floor footprint). If you can’t measure directly, break the ceiling into rectangles/triangles and add them up.

In Walls & finishes

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