Area Converter
Convert between m², ft², acres, hectares, km² and more.
Convert between m², ft², acres, hectares, km² and more.
This free Area Converter from KX Toolkit is part of our all-in-one online toolkit. It runs entirely in your browser, so your data never leaves your device for client-side operations. 100% free, forever - no paywall, no credit card, no trial.
How to use the Area Converter
- Pick the unit you have and the unit you want.
- Enter the value.
- Read the converted value - most tools update as you type.
- Use the swap button to reverse the direction if needed.
What you can do with the Area Converter
- Convert recipe ingredients between metric and imperial.
- Translate engineering specs across systems.
- Check shipping weights and dimensions before ordering.
- Quick travel conversions for distance, speed and currency.
Why use KX Toolkit's Area Converter
- Browser-based: Works on Windows, macOS, Linux, iOS and Android - no install, no extension.
- Privacy-first: Client-side tools never upload your data; server-side tools delete files right after processing.
- Mobile-friendly: Full feature parity on phones and tablets - not a stripped-down view.
- Fast: Optimised for instant feedback. No artificial waiting screens, no email-gated downloads.
- One hub for everything: 300+ tools across SEO, text, image, PDF, code, color, calculators and more - skip switching between sites.
Tips for the best results
For very large or very small numbers, use the scientific-notation option - it avoids floating-point rounding errors.
Related Unit Converter Tools
If you find this tool useful, explore the full Unit Converter Tools collection or browse our complete tool directory. KX Toolkit is built for marketers, developers, designers, students and anyone who needs a quick utility without signing up for yet another SaaS.
How do I convert square feet to square metres?
Divide square feet by 10.7639 to get square metres. So a 1,000 sq ft apartment is about 92.9 sq m. The factor comes from squaring 3.28084 (feet per metre). This is the most common conversion in real estate, since the US uses square feet but the rest of the world uses square metres for property listings.
What is the difference between an acre and a hectare?
An acre is 4,046.86 sq m, originally the area a yoke of oxen could plough in a day. A hectare is 10,000 sq m, exactly. So one hectare equals about 2.471 acres, and one acre is about 0.405 hectares. Hectares are used in metric countries for farming and land surveys, while acres remain standard in the US, UK, and parts of Asia.
How big is one square kilometre?
A square kilometre is 1,000,000 sq m, or 100 hectares, or about 247.1 acres, or about 0.386 sq mi. It is the unit used for cities, parks, and small countries. For example, Manhattan is about 59 sq km, and Singapore is roughly 730 sq km. The converter quickly translates between sq km, sq mi, hectares, and acres.
How do I calculate the area of a room?
Multiply length by width in the same unit. A room 4 m by 5 m has an area of 20 sq m, which equals about 215 sq ft. For irregular rooms, divide them into rectangles, calculate each, and sum the results. The converter then translates that figure into any other area unit you need for ordering flooring or paint.
What units does the area converter support?
Square millimetres, square centimetres, square metres, square kilometres, hectares, ares, square inches, square feet, square yards, square miles, and acres. Some versions also support roods, perches, and other historical units. Pick a source unit, enter the value, and see the equivalents across the metric and imperial systems at once.
Why is there confusion between US and UK acres?
There is no difference in the modern definition: both the US and the UK use the international acre of 4,046.8564224 sq m. The older US survey acre is slightly larger by a few parts per million and was used for some legal land descriptions until 2022. For practical purposes the two are interchangeable, and the converter uses the international value.
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