Präzisionsrechner

Paint Area Calculator

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

Wand- und Fensterabmessungen

MaterialabfallfaktorOPTIONAL

Schätzen Sie die MaterialkostenOPTIONAL

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.

Wie es funktioniert

1

Wählen Sie Form

Choose the shape that matches your space.

2

Geben Sie die Abmessungen ein

Geben Sie Messungen in einer beliebigen Einheit ein. Fügen Sie Menge, Abfallfaktor und Materialpreis hinzu.

3

Erhalten Sie Ergebnisse

Sehen Sie sich die Fläche in ft², in², yd², m², Acres plus Kostenvoranschlag an – alles auf einmal.

Häufig gestellte Fragen

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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