Length, Weight and Area
Convert centimeters to inches, kilograms to pounds, kilometers to miles, square feet to square meters, and many more everyday measurements.
Unit Converter
Convert length, weight, temperature, area, volume, speed, time, data size and more. Type in either box and see the result instantly. Fast, free and no signup.
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Popular conversions
All units
Your value converted into every unit in this category. Click a value to copy it.
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How to convert units
1Pick a category
Choose length, weight, temperature, area, data size or another category.
2Enter a value
Type a number and choose the units. The result updates as you type.
3Copy the result
Copy the value, copy it as a sentence, or check every other unit in the table.
UNIT CONVERTER GUIDE
Unit Converter – Convert Length, Weight, Temperature, Area, Data and More Online
Looking for a free unit converter? Convert between hundreds of unit pairs in seconds. Pick a category, type a value, and the converted result appears instantly, with the two boxes working in both directions. The converter covers length, weight, temperature, area, volume, speed, time, data size, pressure, and energy, and it includes units that are common in Pakistan and South Asia, such as marla, kanal, and tola. Everything runs in your browser, so nothing is uploaded, and there is no signup or watermark.
Temperature Converter
Switch between Celsius, Fahrenheit, Kelvin, and Rankine, and see the formula that is used for the conversion.
Data Size and More
Convert bytes, megabytes, gigabytes, and terabytes, including the binary units MiB and GiB, along with volume, speed, time, pressure, and energy.
How to Convert Units Online
You do not need a calculator or a conversion table. Use the online unit converter by following these simple steps.
- Choose a category: Click Length, Weight, Temperature, Area, Volume, Speed, Time, Data, Pressure, or Energy.
- Select the units: Pick the unit you are converting from and the unit you want to convert to. Use the swap button to reverse them.
- Enter a value: Type a number in either box. The other box updates immediately, so you can convert in both directions.
- Check the details: Read the formula under the result, and open the All units table to see your value in every unit of the category.
- Copy the answer: Click Copy value for the number alone, or Copy as text for a full sentence such as 5 km = 3.10686 mi.
You can show the result with an automatic number of decimals or choose 2, 4, 6, or 8 decimals.
Common Conversions at a Glance
- Length: 1 inch is exactly 2.54 centimeters, 1 foot is 0.3048 meters, and 1 mile is exactly 1.609344 kilometers.
- Weight: 1 pound is exactly 0.45359237 kilograms, so 1 kilogram is about 2.20462 pounds.
- Temperature: Water freezes at 0°C, which is 32°F, and boils at 100°C, which is 212°F. Kelvin equals Celsius plus 273.15.
- Data: 1 GB is 1,000 MB in decimal units, while 1 GiB is 1,024 MiB in binary units.
- Area: 1 kanal equals 20 marla, and a standard marla is 272.25 square feet.
Metric and Imperial Units
Most of the world uses the metric system, which is based on meters, grams, and liters. The United States and a few other countries still use imperial or US customary units, such as inches, pounds, and gallons. A unit converter helps you move between the two systems when you follow a recipe, read a product label, plan a trip, or work with international specifications.
Be careful with units that share a name but differ by country. For example, a US gallon is 3.785 liters, while an imperial gallon is about 4.546 liters, so the converter lists them separately.
Local Units: Marla, Kanal and Tola
The converter includes marla and kanal for land area and tola for weight. It uses the standard values of 272.25 square feet for a marla, 20 marla for a kanal, and 11.6638 grams for a tola. In practice, the size of a marla can vary between regions and housing schemes, so check the local definition before you rely on the result for a property deal.
Free Unit Converter Online
Our free unit converter makes it easy to translate measurements from one unit to another. Choose a category, enter a value, and copy the result. The tool is designed for convenient unit conversion without signup or a watermark, and it works on desktop and on mobile browsers.
COMMON QUESTIONS
Frequently Asked Questions About Unit Conversion
Find answers to common questions about converting units and using the converter.
How do I convert units online?
Choose a category, select the unit you are converting from and the unit you are converting to, and type a number in either box. The converted value appears right away.
How do I convert Celsius to Fahrenheit?
Open the Temperature category, choose Celsius on the left and Fahrenheit on the right, and enter the temperature. The formula is °F = °C × 9/5 + 32, so 0°C is 32°F and 100°C is 212°F.
How many centimeters are in an inch?
One inch is exactly 2.54 centimeters. To convert inches to centimeters, multiply by 2.54, and to convert centimeters to inches, divide by 2.54.
How do I convert kilograms to pounds?
Multiply the kilograms by about 2.20462. One pound is exactly 0.45359237 kilograms, so 1 kg is about 2.20462 lb. The converter does the calculation for you in either direction.
What is the difference between GB and GiB?
A gigabyte (GB) is 1,000 megabytes in the decimal system, while a gibibyte (GiB) is 1,024 mebibytes in the binary system. The same difference applies to KB and KiB, and to MB and MiB. Storage makers usually use decimal units, while many operating systems report binary sizes.
How do I convert marla to square feet?
Open the Area category and choose Marla and Square foot. A standard marla is 272.25 square feet, so 1 marla is 272.25 sq ft and 1 kanal, which is 20 marla, is 5,445 sq ft. The size of a marla can vary by region, so confirm the local standard.
How much is a tola in grams?
The converter uses 11.6638 grams for one tola, which is the standard value used for gold and silver. Choose Tola in the Weight category to convert it to grams, kilograms, ounces, or any other weight unit.
Why are the two boxes both editable?
So that you can convert in both directions without changing the units. Type in the From box to calculate the To box, or type in the To box to calculate the From box.
How many decimals does the converter show?
By default the converter uses an automatic number of decimals that keeps about ten significant digits. Use the Decimals menu to show a fixed number of decimals, such as 2 or 4. Very large and very small results are shown in scientific notation.
Are the month and year in the Time category exact?
No. They use calendar averages: a year is 365.2425 days and a month is one twelfth of that year, which is about 30.44 days. Real months and years vary in length, so use them only for approximate conversions.
Is my data sent to a server?
No. The unit converter runs in your browser, and the numbers you type are not uploaded or stored.
Is this unit converter free?
Yes. You can convert units online for free, with no signup and no watermark.
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