Area Converter

Last updated: 2026-06-25

TL;DR

Area conversion uses factors such as 1 pyeong = 3.305785 m², 1 hectare = 10,000 m², 1 acre = 4,046.8564 m² and 1 ft² = 0.09290304 m², by collecting every value into square meters first and then converting to the unit you want.

Enter a value below and pick a unit; m², km², pyeong, hectares, acres and ft² update instantly.

Enter an area

Numbers only. Decimals are allowed.

Results (all units)

Your value converted to each unit
UnitValue

How to use

  1. Enter a value — Type the area value you want to convert.
  2. Pick the source unit — Choose the unit of your value (for example m² or pyeong) from the dropdown.
  3. Read the results — m², km², pyeong, hectares, acres and ft² all update instantly in the table.

Square meters, acres and pyeong

The pyeong is a traditional Korean real-estate unit, while the official measure is the square meter (m²). One pyeong is about 3.305785 m², so to convert pyeong to m² multiply by 3.3058 and divide for the reverse. Every area unit is converted through square meters.

Key area conversion factors (1 unit = ? m²)
UnitIn m²Note
Square meter (m²)1 m²base unit
Square kilometer (km²)1,000,000 m²1 km² = 100 ha
Pyeong (Korean)3.305785 m²1 m² ≈ 0.3025 pyeong
Hectare (ha)10,000 m²100 m on a side
Acre4,046.8564 m²about 1,224 pyeong
Square foot (ft²)0.09290304 m²1 ft = 0.3048 m

For example, an exclusive area of 84 m² is 84 ÷ 3.3058 ≈ 25.4 pyeong, and 1,000 pyeong of land is 1,000 × 3.3058 ≈ 3,306 m². For more conversion tips, see the unit conversion cheat sheet.

Frequently asked questions (FAQ)

How many square meters is 1 pyeong?

One pyeong is about 3.305785 m² (exactly 400/121 m²), commonly used as 1 pyeong ≈ 3.3058 m². Conversely 1 m² is about 0.3025 pyeong. The pyeong is a traditional Korean real-estate unit.

How many pyeong is an 84 m² apartment?

An exclusive area of 84 m² is about 25.4 pyeong (84 ÷ 3.3058 ≈ 25.4). Note that advertised pyeong sizes often include shared space, so they can differ from the exclusive-area figure.

How big is 1 hectare?

One hectare is 10,000 m², a square 100 m on each side. One square kilometer (km²) is 100 hectares (1,000,000 m²).

How many square meters is 1 acre?

One acre is about 4,046.8564 m². It is widely used for land in the US and UK, and 1 hectare is about 2.471 acres.

Last updated: 2026-06-25