Area Converter
Convert between Metric and Imperial area units instantly. Type a value in any field below to see conversions update in real time.
Base: 0 ha
Formula: 0 m²
Formula: 0 ac
Formula: 0 km²
Understanding Area and Surface Measurements
Area is the quantity that expresses the two-dimensional extent of a surface. In land measurement, urban planning, agriculture, and science, surface areas are measured using various metric and imperial square units.
Metric Area Units
- Square Meter (m²): The SI derived unit of area.
- Hectare (ha): A non-SI metric unit equal to exactly 10,000 square meters (100m × 100m). Commonly used for agricultural and land surveying.
- Square Kilometer (km²): Equal to exactly 1,000,000 square meters or 100 hectares. Used for measuring municipal boundaries, countries, and geographical maps.
Imperial Area Units
- Acres (ac): A traditional unit of land area primarily used in the United States and the Commonwealth. One acre is defined as exactly 43,560 square feet, which corresponds to approximately 4,047 square meters.
Area Conversion Ratios
| Base Unit | Target Unit | Ratio |
|---|---|---|
| 1 Hectare (ha) | Square Meters (m²) | 1 hectare = 10,000 m² |
| 1 Hectare (ha) | Acres (ac) | 1 hectare = 2.47 acres |
| 1 Acre (ac) | Square Meters (m²) | 1 acre = 4,047 m² |
| 1 Square Kilometer (km²) | Hectares (ha) | 1 km² = 100 hectares |
Frequently Asked Questions (FAQ)
How many square meters are in a hectare?
There are exactly 10,000 square meters in 1 hectare.
How many acres are in a hectare?
There are approximately 2.47 acres in 1 hectare.
How many square meters are in an acre?
There are approximately 4,047 square meters in 1 acre.
How many hectares are in a square kilometer?
There are exactly 100 hectares in 1 square kilometer.