Area Converter — m², ft², Acres, Hectares, Square Miles & More
Convert between square meters, square feet, acres, hectares, square kilometers, square miles, and more. Free online area converter for real estate, construction, and land measurement.
Area Converter
Results update instantly as you type
Enter Values
Embed Code
Copy and paste this HTML snippet into any web page to embed this calculator directly.
<iframe src="http://127.0.0.1:54963/embed/industrial/area-converter?ref=embed" title="Area Converter — m², ft², Acres, Hectares, Square Miles & More" width="100%" style="max-width:600px; border:none; height:500px;" loading="lazy"></iframe>
Direct Link
Share this link to let others open the calculator in their browser.
The Formula
Area conversion uses linear scaling factors relative to the square meter, the SI unit of area. Each unit has a fixed conversion factor to square meters. To convert from unit A to unit B, multiply the input value by the ratio of the two factors.
Variable Definitions
Square Meter
The SI unit of area. The area of a square measuring one meter on each side. Used worldwide for room sizes, construction, and land measurement.
Square Foot
The US customary unit of area. The area of a square measuring one foot on each side. Used for real estate, construction, and HVAC in the US.
Acre & Hectare
Acre (43,560 ft²): the traditional US land unit, originally the area a yoke of oxen could plow in one day. Hectare (10,000 m²): the metric land unit, 100 m × 100 m, used worldwide for agriculture and forestry.
Square Mile & Square Kilometer
Square mile (640 ac): used for large US land areas, counties, and states. Square kilometer (1,000,000 m²): used for geographic and national land areas worldwide.
How to Use This Calculator
- 1
Enter the area value you want to convert.
- 2
Select the current area unit from the "From" dropdown.
- 3
Select the desired area unit from the "To" dropdown.
- 4
The converted value is displayed instantly with the formula. Use this for real estate, construction, land measurement, or geography.
Quick Reference
| From | To |
|---|---|
| 1 m² | 10.764 ft² / 1,550 in² / 0.0001 ha |
| 1 ft² | 0.093 m² / 144 in² / 0.0929 m² |
| 1 ac | 43,560 ft² / 4,047 m² / 0.405 ha / 0.00156 mi² |
| 1 ha | 10,000 m² / 107,639 ft² / 2.471 ac / 0.01 km² |
| 1 km² | 1,000,000 m² / 247.1 ac / 0.386 mi² / 100 ha |
| 1 mi² | 640 ac / 2.59 km² / 27,878,400 ft² |
| 1 in² | 6.452 cm² / 645.16 mm² / 0.00694 ft² |
| 1 cm² | 0.155 in² / 100 mm² |
Common Applications
- Real estate: converting between square meters and square feet for property listings across countries
- Construction: calculating floor area, wall area, and roofing area in m² or ft² for materials estimation
- Land measurement: converting between acres, hectares, and square miles for farms, parks, and development
- Geography: comparing country and city sizes in km² or mi² for data analysis and education
- HVAC: sizing heating and cooling systems based on floor area in ft² (US) or m² (metric)
- Agriculture: measuring crop fields in hectares (Europe/Asia) or acres (US/UK) for yield calculations
Common land and building area units compared. A hectare is roughly 2.5 acres.
Understanding the Concept
Area measurement is fundamental to real estate, construction, agriculture, and geography. The square meter (m²) is the SI unit of area, defined as the area of a square with sides of one meter. A typical parking space is about 15 m², and a one-bedroom apartment may be 50 m². The square foot (ft²) is the standard in the US for real estate — a typical American house ranges from 1,500 to 2,500 ft². The acre is an ancient unit dating back to medieval England, originally defined as the area a yoke of oxen could plow in a day. Today, an acre is exactly 43,560 ft² or about 4,047 m². The hectare (10,000 m²) was introduced with the metric system and is the standard for land measurement worldwide — a perfect square 100 m on each side. Countries use different units: US real estate uses ft² and acres, UK uses m² for buildings but acres for land, and most other countries use m² and hectares. For very large areas like national parks or countries, square kilometers (km²) or square miles (mi²) are used. Understanding these conversions is essential for international property investment, construction projects, and land management.
Frequently Asked Questions
Sources & References
Related Calculators
Reviews
No reviews yet. Be the first to share your experience with Area Converter — m², ft², Acres, Hectares, Square Miles & More.
Write a Review