Area Converter
Convert between square meters, acres, hectares and more.
How to use Area Converter
Enter your area value
Click the input field labeled 'Enter Value' and type the numerical amount you want to convert. For example, type '100' to convert 100 square meters.
Select your source unit
Click the dropdown menu next to your input value that says 'Select Unit'. Choose from square meters (m²), square feet (ft²), acres, hectares, square kilometers, square miles, square yards, or square inches.
Choose your target unit
Click the second dropdown menu labeled 'Convert To'. Select the unit you want to convert to from the same list. The conversion happens automatically.
Copy or reset your result
View the converted value displayed in the 'Result' field. Click the 'Copy' button to copy the result to your clipboard, or click 'Reset' to clear all fields and start a new conversion.
Related Tools
Area converter: square meters, acres, hectares, and more
Area converter: square meters, acres, hectares, and more
Convert between square meters, acres, hectares, square feet, square kilometers, and other area units at ToolHQ's area converter, instant results for all common metric and imperial area units. Free, no account required.
Area measurements vary widely by country and context. Real estate in the US is measured in square feet and acres. Agricultural land in most of the world uses hectares. Scientific and technical work uses square meters. International real estate listings often require converting between all three.
ToolHQ's area converter handles all common area units simultaneously, enter a value once and get every equivalent at once.
Key Takeaways
- Convert between square meters, square feet, acres, hectares, and square kilometers
- 1 hectare = 10,000 square meters = 2.471 acres
- 1 acre = 4,047 square meters = 0.405 hectares
- Metric area units (sq m, hectares) are standard outside the US and UK for land
- No data is stored or transmitted, all calculations run locally in your browser
Area unit overview
| Unit | Abbreviation | Full circle equivalent | Used in |
|---|---|---|---|
| Square meter | m² | Base metric unit | Science, construction, international real estate |
| Square foot | ft² | 0.0929 m² | US/UK real estate, interior spaces |
| Square yard | yd² | 0.836 m² | Fabric, carpet, some US landscaping |
| Acre | ac | 4,047 m² | US/UK land and agriculture |
| Hectare | ha | 10,000 m² | International agriculture, land measurement |
| Square kilometer | km² | 1,000,000 m² | Geographic areas, countries, large tracts |
| Square mile | mi² | 2,590,000 m² | US geographic areas |
| Square inch | in² | 0.000645 m² | Small objects, engineering |
All calculations run locally in your browser, no data is stored or transmitted.
When to use each area unit
The right unit depends on where you are and what you are measuring:
Square meters (m²): The international standard for area measurement in science, engineering, and real estate outside the US. Apartment sizes, room dimensions, and construction plans worldwide use square meters.
Square feet (ft²): The standard for US residential real estate, rental listings, and interior spaces. If a US property listing says "1,500 sq ft," that is approximately 139 square meters.
Acres: The traditional unit for land in the US and UK. One acre is roughly the size of a football field (American football, without end zones). Large residential lots, farms, and undeveloped land are measured in acres.
Hectares (ha): The international standard for agricultural and large land measurement. One hectare equals 10,000 square meters (100m x 100m). Most countries outside the US/UK measure farmland, parks, and natural areas in hectares.
Square kilometers (km²): For very large areas, cities, counties, countries, national parks. One square kilometer equals 100 hectares or about 247 acres.
Mini-story 1: Amara was comparing two properties while looking at international real estate listings. A listing in Portugal showed a property with "0.8 ha of land" and a listing in the US showed one with "2 acres." She needed to compare them on the same scale. She entered 0.8 hectares into ToolHQ's area converter and got 8,000 sq m (1.977 acres). Then she converted 2 acres and got 8,094 sq m. The two properties were almost exactly the same size.
How to use the ToolHQ area converter
- Go to the tool. Navigate to ToolHQ's area converter. No account or sign-up required.
- Enter your value. Type any number in the input field.
- Select your source unit. Choose the unit you are converting from.
- Read all results. The converter returns the equivalent in all supported units simultaneously.
Area conversion reference table
| Convert from | Multiply by | To get |
|---|---|---|
| Square meters | x 10.764 | Square feet |
| Square feet | x 0.0929 | Square meters |
| Acres | x 4,047 | Square meters |
| Square meters | x 0.000247 | Acres |
| Hectares | x 10,000 | Square meters |
| Hectares | x 2.471 | Acres |
| Acres | x 0.4047 | Hectares |
| Square kilometers | x 100 | Hectares |
| Square kilometers | x 247.1 | Acres |
| Square miles | x 640 | Acres |
| Square miles | x 2.59 | Square kilometers |
Common conversions:
- 1,000 sq ft = 92.9 sq m (small apartment)
- 2,000 sq ft = 185.8 sq m (average US home)
- 5 acres = 20,235 sq m = 2.02 ha
- 100 hectares = 247 acres = 1 sq km
Real-world size references:
- 1 hectare = roughly 1.4 times the area of a soccer field
- 1 acre = roughly the size of an American football field (without end zones)
- 1 square mile = 640 acres = about 259 hectares
For property-related calculations, ToolHQ's flooring calculator computes material quantities for any room or area, and the paint calculator estimates paint needed for any measured surface.
Mini-story 2: Ben was a first-generation farmer in Iowa and needed to understand the land listings he was reviewing. Many older county records and neighboring farms described plots in acres, but the modern agricultural lending reports he was reading used hectares. He used ToolHQ's area converter to build a quick mental model: 1 acre is roughly 0.4 hectares, so a 200-acre farm is about 80 hectares. With that ratio in mind (roughly 2.5 acres per hectare), he could move between both units in his head without converting every number.
Frequently asked questions
What is the difference between a hectare and an acre?
A hectare (10,000 m²) is a metric unit used internationally for land measurement. An acre (4,047 m²) is an imperial unit used primarily in the US and UK. One hectare equals approximately 2.47 acres. Hectares are slightly larger, roughly 2.5 acres per hectare.
How many square feet are in an acre?
One acre equals 43,560 square feet. This is a commonly needed conversion in US real estate when working with larger properties.
Why do different countries use different area units?
Most countries use the metric system, where square meters and hectares are standard. The US and UK continue to use acres and square feet for historical reasons, particularly in real estate and land transactions. Scientific and technical work uses metric units globally.
How do I convert square meters to square feet?
Multiply square meters by 10.764. Example: 150 m² x 10.764 = 1,614.6 sq ft. Or divide square feet by 10.764 to get square meters. This conversion comes up frequently in international real estate, where European listings are in square meters and US buyers are used to thinking in square feet.
How many square feet are in a hectare?
One hectare equals 107,639 square feet. This is a less common direct conversion, but useful when comparing large US properties (measured in acres or square feet) with international agricultural land listed in hectares.
What is a square mile used for?
Square miles measure large geographic areas: counties, national parks, and states. One square mile equals 640 acres or approximately 259 hectares. To put it in context, Manhattan Island is about 23 square miles (about 14,700 acres).
Is the area converter free?
Yes. ToolHQ's area converter is completely free, with no account, no sign-up, and no usage limits.
The short version
Area measurement units divide by country and context: square feet and acres in the US and UK, hectares and square meters everywhere else for land, with square kilometers for large geographic areas. The key relationships to remember are 1 hectare = 10,000 sq m = 2.47 acres, and 1 acre = 4,047 sq m. ToolHQ's area converter handles all units simultaneously, so entering any value in any unit returns every other equivalent at once. It is free, instant, and requires no account.
For related tools, ToolHQ's unit converter covers length, weight, and volume conversions alongside area, and the flooring calculator turns room measurements into material quantities. Explore more converter tools at ToolHQ.