Calculatrice de précision

Paint Area Calculator

Paint Area Calculator: Calculate wall or surface area for paint planning. Enter dimensions, subtract a window or door opening if

Dimensions des murs et des fenêtres

Facteur de gaspillage de matériauxFACULTATIF

Estimer le coût du matérielFACULTATIF

Calculation Results
1 ft (12 in) 1 ft 1 ft² = 144 in²

Paint Area Calculator

Calculate wall or surface area, including a single opening where appropriate. Use your paint manufacturer’s coverage guidance to estimate paint quantity.

Comment ça marche

1

Sélectionnez la forme

Choose the shape that matches your space.

2

Entrez les dimensions

Saisissez les mesures dans n’importe quelle unité. Ajoutez la quantité, le facteur de gaspillage et le prix du matériau.

3

Obtenez des résultats

Visualisez la superficie en pi², po², yd², m², acres ainsi qu'une estimation des coûts, le tout en même temps.

Foire aux questions

Measure height and width of each wall. Multiply for each wall and add. Subtract windows and doors. Wall with Window subtracts openings for you.
One gallon covers about 350 to 400 sq ft per coat. For two coats, divide total wall area by 175 to 200. Example: 800 sq ft ÷ 175 ≈ 4.5 gallons for two coats.
Yes. A standard door is about 21 sq ft (3 × 7 ft). A standard window is about 12 sq ft (3 × 4 ft). Subtract those from total wall area, or use Wall with Window to do it automatically.
Measure length and height of each exterior wall and multiply. Subtract windows and doors. Add all walls. Exterior coverage is similar to interior (350 to 400 sq ft per gallon), but texture can need up to 50% more paint.
For the sloped wall, use Cathedral Wall. Enter base width, left wall height, and right wall height. The calculator applies the trapezoid formula for that surface.
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