Area Calculator
Calculate rectangle, circle, triangle, or trapezoid area and convert it to m², ft², pyeong, and estimated cost.
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Convert pyeong, square meters, square feet, and acres
Area Calculator converts pyeong, square meters, square feet, acres, and other area units for apartments, offices, land, and international property listings. It helps compare floor area labels without opening a spreadsheet.
Useful For
- Convert Korean pyeong to square meters
- Compare office and retail space units
- Read overseas sqft listings in m²
Good To Know
Real estate documents may use different area definitions such as exclusive area, gross area, land area, or floor area. Confirm the source document's definition.
Result Check
Try an example first to understand the input flow. Before submitting, sharing, or copying important output, compare the result with the original source once more.
How It Works
Inputs are calculated or converted in the browser whenever possible. Compare important results with the original source before using them. Reviewed on Jun 27, 2026.
Area calculation checks
Input basis
- Match width and height units before calculating
- Check conversion basis for square meters, pyeong, or square feet
Room shape
- Split non-rectangular spaces into smaller sections
- Account for balconies, hallways, columns, or excluded areas
Use
- Add extra margin separately for flooring, wallpaper, or paint
- For real estate, distinguish usable area from supplied area
Yes. It supports rectangle, circle, triangle, and trapezoid area with unit conversion.
Calculated area can be compared across common units such as m², ft², and Korean pyeong.
Use it for rough area and cost planning. Real quotes should include waste, margin, and site conditions.