Area Converter (Surface)
Convert surfaces between square meters, square kilometers, hectares, square feet and acres. Free.
Free · No sign-up · Runs in your browser · Last reviewed November 2026
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About Area Converter (Surface)
Convert surfaces between square meters, square kilometers, hectares, square feet and acres. Free. Area Converter (Surface) is a free tool from the Utilities category of RoviDev. It works online from the browser, without installations or registration, to solve your task in seconds.
How to use Area Converter (Surface)
- Open Area Converter (Surface) in RoviDev (you don't need to install anything or register).
- Enter the required data in the tool form.
- Press the button and see the result instantly on the screen.
Area conversion examples: acres, square feet, hectares and square meters
The converter changes the unit into square meters first and then into your target unit, so any pair works. Results show up to 8 decimals.
| From | To | Factor |
|---|---|---|
| 1 acre | square meters | 4,046.86 |
| 1 acre | square feet | 43,560 |
| 1 hectare | acres | 2.471 |
| 1 square foot | square meters | 0.092903 |
| 1 km² | hectares | 100 |
Because the tool uses a rounded square-foot factor, 1 acre shows as 43,560.057, a hair above the exact 43,560.
Where it matters in the US
- Home listings use square feet; lots, farmland and land sales use acres. A quarter-acre lot is 10,890 sq ft.
- Imported fabric, flooring and tile are often labeled in square meters.
- A square mile is 640 acres, useful for county and park figures.
Mistakes to avoid
- Squaring the wrong way: 1 meter = 3.28 feet, but 1 m² = 10.76 ft² (not 3.28).
- Mixing up linear feet and square feet when ordering materials.
- Forgetting to add 5-10% extra for waste when buying flooring.
Also try the Square Feet to Acres Calculator and the Square Footage Calculator.
Frequently asked questions
What is the Area Converter (Surface) for?
Convert surfaces between square meters, square kilometers, hectares, square feet and acres. Free. You just have to enter the data and you get the result instantly, without leaving the page.
Are the data I enter saved?
No. The calculation is done in your browser; We do not send or store your data on any server.
Can I use it from my mobile?
Yes. The tool is responsive and works on mobile, tablet and computer from any browser.
Do I need to install something or register?
No. It works online from the browser, without installations or registration.
How many square feet are in an acre?
An acre is 43,560 square feet. A square acre would be about 208.7 feet on each side.
Why is converting meters to feet different from square meters to square feet?
Area scales with the square of length. One meter is about 3.281 feet, so one square meter is about 3.281 squared, or 10.764 square feet.