How many square feet are in an acre?

One acre equals exactly 43,560 square feet. It also equals approximately 4046.856 square metres or 0.405 hectares.

What is the difference between a hectare and an acre?

A hectare equals 10,000 square metres and is the metric standard for land area. An acre equals about 4046.856 square metres. One hectare is approximately 2.471 acres.

How many square metres are in a square kilometre?

One square kilometre equals 1,000,000 (one million) square metres, since each side is 1000 metres and area scales by the square of the length factor.

What unit of area is used in real estate?

In the US and UK, square feet and acres are common for residential and land measurement. Most other countries use square metres and hectares. Commercial real estate sometimes uses square feet globally.

How do I convert square feet to square metres?

Multiply square feet by 0.092903. For example, 1000 sq ft × 0.092903 = 92.9 m². To go the other way, multiply square metres by 10.7639.

Conversions

↵ to calculate

Area Converter - sq ft sq m acres hectares Conversion

Convert between square millimetres, centimetres, metres, kilometres, hectares, acres, square feet, and more.

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How to use this calculator

👉 Fill in the boxes below and your answer appears instantly — no maths needed, we do it all for you! 🎉

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In plain English — what does this do?

📏 Some countries say ‘30 degrees’ and others say ‘86 degrees’ for the same weather! Some say ‘5 km’, others say ‘3 miles’. This tool swaps between them instantly so you always know what it means.

📌 Direct Answer & Summary

An area converter lets you switch between different units of surface measurement, from tiny square millimetres to vast square miles. Area units appear in real estate (acres, square feet), agriculture (hectares), science (square metres), and mapping (square kilometres). Conversions are necessary because different countries and industries use different standards.

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📌 Measure unit you have

🎯 Measure unit you want

What is Area Converter - sq ft sq m acres hectares Conversion?

How to use it

1️⃣ Enter the area value you want to convert in the Value field.
2️⃣ Select the source unit from the From dropdown.
3️⃣ Select the target unit from the To dropdown.
4️⃣ The result and a full conversion table appear instantly.
5️⃣ Use the swap button to reverse the conversion.

Formula

converted = input_value * (factor_of_from_unit / factor_of_to_unit), where all factors are expressed relative to square metres

💡 See it in action — a real example

To convert 5 acres to square metres: 5 ac × 4046.856 m²/ac = 20234.28 m². To then express that in hectares: 20234.28 m² / 10000 m²/ha = 2.023 ha.

❓ Common questions

How many square feet are in an acre?: One acre equals exactly 43,560 square feet. It also equals approximately 4046.856 square metres or 0.405 hectares.
What is the difference between a hectare and an acre?: A hectare equals 10,000 square metres and is the metric standard for land area. An acre equals about 4046.856 square metres. One hectare is approximately 2.471 acres.
How many square metres are in a square kilometre?: One square kilometre equals 1,000,000 (one million) square metres, since each side is 1000 metres and area scales by the square of the length factor.
What unit of area is used in real estate?: In the US and UK, square feet and acres are common for residential and land measurement. Most other countries use square metres and hectares. Commercial real estate sometimes uses square feet globally.
How do I convert square feet to square metres?: Multiply square feet by 0.092903. For example, 1000 sq ft × 0.092903 = 92.9 m². To go the other way, multiply square metres by 10.7639.

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