Präzisionsrechner

Regular Polygon Area Calculator — Any Number of Sides

Regular Polygon Area Calculator: Calculate the area of any regular polygon — pentagon, hexagon, octagon, and beyond — from the number of sides

Regelmäßiges Polygon

MaterialabfallfaktorOPTIONAL

Schätzen Sie die MaterialkostenOPTIONAL

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

Regular Polygon Area Calculator

Select the Regular Polygon shape, enter the number of sides (3 or more) and the length of one side, then click Calculate. The calculator applies the formula Area = (n × s²) / (4 × tan(π/n)) to instantly find the area of any regular polygon — triangles, pentagons, hexagons, octagons, and beyond — in square feet, square yards, square meters, and acres.

If you already know the polygon area from a deed or survey, switch to the Known Area shape to convert it between area units instead. For an irregular polygon with unequal sides, break it into rectangles and triangles, calculate each section, and add the results.

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

Select the Regular Polygon shape, enter the number of sides (3 or more) and the length of one side, then click Calculate. The tool applies the formula Area = (n × s²) / (4 × tan(π/n)) automatically for pentagons, hexagons, octagons, and any other regular polygon.
Yes. Enter 5 for a pentagon or 6 for a hexagon in the Number of Sides field, enter the side length, and click Calculate. The same Regular Polygon calculator handles any number of equal sides, 3 and up.
Switch to the Known Area shape if you already know the area, or break the irregular polygon into rectangles and triangles, calculate each section with this calculator, and add the results together.
If you know the overall area in acres or square meters from a deed or survey, use the Known Area option to convert to square feet. Otherwise, divide the lot into measurable geometric shapes, calculate each, and add them up.
A tape measure or laser distance meter for indoor spaces. For outdoor lots, use a measuring wheel, GPS surveying app, or satellite images with a scale tool. For the most accurate results, hire a professional surveyor.
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