Introduction
This area converter calculator lets you switch between different units of area quickly and easily. Whether you need to convert square meters to square feet, acres to hectares, or any other area unit, this tool does the math for you in seconds.
It supports over 100 area units, including metric units like square kilometers, imperial units like square miles, and regional units used around the world such as rai, tsubo, dunum, and bigha. Just type in a number, pick your units, and get your answer right away. The result updates as you type, so there is no need to wait.
Each conversion comes with a step-by-step solution that shows exactly how the math works. You can see the conversion factor, the formula used, and a full breakdown of each step. This makes it a great tool for students, teachers, engineers, real estate professionals, and anyone who works with land measurements or area calculations.
How to Use Our Area Converter Calculator
Enter an area value and pick your units. The calculator will convert your number from one area unit to another and show the result with a full step-by-step breakdown.
Value: Type the number you want to convert into the value field. You can use decimals or scientific notation like 1.5e6. Click the ± button to switch between positive and negative, or click × to clear the field.
Convert From: Pick the area unit you are starting with. Use the search box above the dropdown to find a unit fast. Units are sorted into groups like Metric, Imperial, and many regional options from around the world.
Convert To: Pick the area unit you want your answer in. You can also search this list. Click the Swap button between the two dropdowns to flip the units around.
Decimal Places: Choose how many decimal places to show in your result. Pick 1, 2, 3, 4, 6, or Full for the most detail.
Unit Spelling: Choose American to spell units like "meter" or British to spell them like "metre."
Convert: Press the Convert button to run the calculation. Your converted value will appear in the Result box below. Use the Copy button to copy the result to your clipboard. Press Reset to set everything back to the defaults.
What Is Area Conversion?
Area is the amount of space a flat surface covers. We measure area in square units, like square meters, square feet, or acres. Different countries and fields of work use different units. For example, land in the United States is often measured in acres, while most other countries use hectares. This calculator lets you convert between all of these units quickly and accurately.
How Area Units Work
A square unit is based on a length unit multiplied by itself. A square meter is a square that is one meter long and one meter wide. A square foot is a square that is one foot long and one foot wide. To convert from one area unit to another, you multiply your value by a conversion factor. This factor tells you how many of the new unit fit inside one of the old unit. If you need to work with specific shapes, tools like the area of a rectangle calculator, the triangle area calculator, or the circle area calculator can help you find the area before converting units.
Common Area Conversions
Some of the most used area conversions include square meters to square feet, acres to hectares, and square miles to square kilometers. One acre equals 43,560 square feet — you can also use our sq ft to acres calculator for that specific conversion. One hectare equals 10,000 square meters. One square mile equals 640 acres. These conversions come up often in real estate, farming, construction, and science. If you are working on a project that involves square footage, converting between metric and imperial area units is a common step.
When You Need to Convert Area
You might need to convert area when buying or selling land, planning a garden with a plant spacing calculator, working on a building project that requires flooring estimates or tile calculations, or doing homework. If your project involves concrete, mulch, or soil, knowing the exact area in the right unit is the first step to figuring out how much material you need. Scientists also convert area when working with very small units like barns or very large ones like square light-years. No matter what units you start with, the math works the same way — multiply by the right factor, and you get your answer in the new unit.
Metric vs. Imperial Area Units
The metric system uses square millimeters, square centimeters, square meters, and square kilometers. The imperial system uses square inches, square feet, square yards, square miles, and acres. If you need to convert between the two systems on a length basis first, our meters to feet calculator is a helpful companion tool. Many countries around the world also have their own traditional land units, such as the rai in Thailand, the mu in China, or the tsubo in Japan. This tool supports all of these and many more. For three-dimensional measurements, you may also want to explore our volume calculator or cubic yard calculator.