Area Converter

How do I convert acres, hectares, square feet and square metres?

Use this free online area converter: type a value, choose the unit you have and the unit you want, then press the Convert button. The tool covers square metres, square kilometres, square centimetres, hectares, acres, square feet, square yards, square inches and square miles, and prints the answer with up to six decimal places.

What does the area converter do and why is it useful?

Area is one of the most mixed-up measurements. Property listings in India, the United Kingdom and the United States quote plots in acres or square feet, while official maps in much of the world use hectares and square metres. A small craft project might be measured in square centimetres or square inches, and a country or lake in square kilometres or square miles. Putting two of those numbers side by side without converting is a recipe for mistakes.

This tool turns one area into any of the nine units after a single press of the button. It is handy when comparing land for sale, estimating paint or flooring, reading a map legend or checking a school assignment. If your project also involves lengths, the length unit converter is a natural companion.

How does the converter work under the hood?

All calculations pass through one base unit, the square metre. The value you type is multiplied by the number of square metres in the source unit, then divided by the number of square metres in the target unit. A single base unit means any unit can be converted to any other with the same logic.

The key factors are:

• 1 hectare = 10,000 square metres.
• 1 acre = 4046.8564224 square metres.
• 1 square kilometre = 1,000,000 square metres.
• 1 square centimetre = 0.0001 square metres.
• 1 square foot = 0.09290304 square metres, which is 0.3048 squared.
• 1 square yard = 0.83612736 square metres, which is 0.9144 squared.
• 1 square inch = 0.00064516 square metres, which is 0.0254 squared.
• 1 square mile = 2,589,988.110336 square metres, which is 1609.344 squared.

Results are rounded to a maximum of six decimal places. Nothing changes while you type. The calculation runs only when you press Convert.

How do I use the area converter step by step?

1. Enter the area you want to convert in the value field.
2. Select the starting unit in the first drop-down list.
3. Select the target unit in the second drop-down list.
4. Press the Convert button.
5. Read the result on the page. To try another number or a different pair of units, adjust the fields and press Convert again.

What do real conversions look like? Worked examples

All results below were calculated from the exact factors listed above.

Example 1: 1 acre to square metres and square feet

Input: 1, from acres, to square metres. Result: 4046.856422 m2. Choosing square feet as the target returns 43560 ft2.

Example 2: 2.5 hectares to acres

Input: 2.5, from hectares, to acres. Calculation: 25,000 / 4046.8564224. Result: 6.177635 acres.

Example 3: 1500 square feet to square metres

Input: 1500, from square feet, to square metres. Calculation: 1500 x 0.09290304. Result: 139.35456 m2.

Example 4: 1 square mile to square kilometres and acres

Input: 1, from square miles, to square kilometres. Result: 2.589988 km2. Switching the target to acres gives 640 acres.

Example 5: 100 square metres to square feet

Input: 100, from square metres, to square feet. Calculation: 100 / 0.09290304. Result: 1076.391042 ft2.

Example 6: 5000 square centimetres to square metres

Input: 5000, from square centimetres, to square metres. Calculation: 5000 x 0.0001. Result: 0.5 m2.

How do the units compare at a glance?

Unit	In square metres
1 square kilometre	1,000,000
1 hectare	10,000
1 acre	4046.8564224
1 square yard	0.83612736
1 square foot	0.09290304
1 square inch	0.00064516
1 square centimetre	0.0001

As a rough guide, one hectare is a little under two and a half acres, and one acre is a little over four thousand square metres. These anchors help you spot a decimal slip before it becomes a costly mistake.

How can I apply area conversions in everyday planning?

Imagine a listing that describes a flat of 1500 square feet while your local flooring supplier sells tiles by the square metre. Example 3 shows that the floor is 139.35456 square metres, so you can add a margin for cuts and waste and order with a clear number in hand. The same idea works for garden turf, carpet, paint coverage or solar panel space.

Land works the same way. A farm described as 2.5 hectares is about 6.177635 acres, which helps when you compare it with a plot advertised in acres. For a larger comparison, a square mile is 2.589988 square kilometres, so a region quoted in either unit can be placed on one scale.

A useful routine is to write down the original figure and unit, convert once with the tool, then record the answer with its unit beside it. This leaves a short paper trail you can check later, and it prevents the common problem of a number drifting from one unit to another halfway through a spreadsheet.

When two quotes disagree, convert both to the same unit before you decide which is larger. Many apparent bargains turn out to be the same size once the units are aligned.

What tips help me get accurate results?

• Remember that area units are squares of length units. Converting 3 feet to metres uses 0.3048, but converting 3 square feet uses 0.3048 squared, which is 0.09290304.
• For depth or capacity of a space, switch to the volume converter after you have the area.
• Keep full precision in your working and round only the final figure.
• For land deals, confirm the area against the official document. A converter helps you compare, but the legal figure is the one on paper.
• Convert in one step from the original unit instead of passing through several rounded values.
• If you need to know how much of a plot a part represents, pair the result with the percentage calculator.

What common mistakes should I avoid?

• Using a length factor for an area. Multiplying square feet by 0.3048 instead of 0.09290304 understates the answer by a wide margin.
• Mixing up hectares and acres. A hectare is larger, about 2.471054 acres.
• Confusing a square mile with a mile squared in your head. Both are the same thing, but people often imagine 1 mile by 1 mile for the first and miscalculate the second. One square mile is 640 acres.
• Swapping the units. Double-check the two drop-down lists before pressing Convert.
• Expecting live updates. The result appears only after you press the button.

Who uses an area converter?

Home buyers and renters compare floor areas quoted in square feet and square metres. Gardeners and farmers switch between acres and hectares. Builders and interior designers estimate flooring, paint and tiles. Students solve geometry and geography exercises, writers compare the sizes of parks, cities and countries, and surveyors or estate agents translate plot sizes for clients from other regions.

Is my data private?

Yes. Everything runs inside your browser. The values you enter are never uploaded, saved or logged, and there is no account or history. Reloading the page clears the fields.

What are the limitations of this tool?

• It supports nine units only. Regional land units such as bigha, cent or guntha are not included.
• Results show up to six decimal places.
• It converts one value at a time and has no batch mode, copy button or file download.
• It does not calculate the area of a shape. If you have lengths and widths, multiply them yourself first and then enter the result.

Frequently asked questions

How many square feet are in an acre?

43,560 square feet.

How many acres are in a hectare?

About 2.471054 acres, found by dividing 10,000 by 4046.8564224.

How many square metres are in a hectare?

Exactly 10,000.

How many acres are in a square mile?

640 acres.

Why do I get a long decimal?

Conversions between metric and imperial areas rarely end neatly, so up to six decimals are shown. Round to suit your purpose.

Can I convert square inches to square kilometres?

Yes. Any of the nine units can be paired with any other, and the result may be a very small number.

Is a hectare a square unit?

It is defined as the area of a square with 100 metre sides, which is 10,000 square metres.

Where can I find more utilities?

Visit the hub page for all our free tools.

Compare land and floor space with confidence

Type the area, pick two units, press Convert, and read the exact figure. With every factor based on exact definitions, moving between acres, hectares, square feet and square metres becomes quick and dependable.