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Convert Any Unit
Instantly & Accurately

Omniconverter provides thousands of unit conversions across multiple categories. Simple, fast, and precise.

1,000+

Converters

10+

Categories

100%

Free

Popular searches:

How It Works

Converting units has never been easier. Just follow these simple steps:

1

Choose a Converter

Select from our extensive list of unit converters across multiple categories.

2

Enter Your Value

Input the value you want to convert in the appropriate field.

3

Get Instant Results

See your conversion result instantly with precise calculations.

Popular Categories

Browse through our most used conversion categories

Length

Convert between cm, inches, feet, meters, miles, and more

Popular conversions:

cm to inchesfeet to metersmiles to km

Weight

Convert between kg, lbs, grams, ounces, and more

Popular conversions:

kg to lbsgrams to ouncespounds to ounces

Temperature

Convert between Celsius, Fahrenheit, Kelvin, and more

Popular conversions:

Celsius to FahrenheitFahrenheit to Kelvin

Volume

Convert between liters, gallons, cups, ml, and more

Popular conversions:

liters to gallonsml to cupsgallons to quarts

Speed

Convert between mph, kph, m/s, knots, and more

Popular conversions:

mph to kphknots to mphm/s to kph

Area

Convert between square meters, acres, square feet, and more

Popular conversions:

acres to square feetsquare meters to acres

Power

Convert between watts, kilowatts, horsepower, and more

Popular conversions:

hp to kwwatts to kilowattshorsepower to watts

Pressure

Convert between psi, bar, pascal, and more

Popular conversions:

psi to barkpa to psibar to pascal

Data

Convert between MB, GB, KB, bytes, and more

Popular conversions:

MB to GBKB to MBbytes to GB

Energy

Convert between joules, calories, kWh, and more

Popular conversions:

kJ to kcaljoules to calorieskWh to MJ

Featured Converters

Our most popular unit converters

Length Converters

cm to inches

5 cm to inches10 cm to inches20 cm to inches

feet to meter

6 feet to meter10 feet to meter15 feet to meter

inches to cm

2 inches to cm5 inches to cm12 inches to cm

miles to km

5 miles to km10 miles to km26.2 miles to km

Weight Converters

kg to lbs

70 kg to lbs80 kg to lbs100 kg to lbs

lbs to kg

150 lbs to kg180 lbs to kg200 lbs to kg

grams to ounces

100 grams to ounces500 grams to ounces1000 grams to ounces

ounces to grams

4 ounces to grams8 ounces to grams16 ounces to grams

Temperature Converters

Celsius to Fahrenheit

0 degrees Celsius to Fahrenheit20 degrees Celsius to Fahrenheit37 degrees Celsius to Fahrenheit

Fahrenheit to Celsius

32 degrees Fahrenheit to Celsius70 degrees Fahrenheit to Celsius98.6 degrees Fahrenheit to Celsius

Why Choose Omniconverter?

We provide the most comprehensive unit conversion tool on the web.

  • Thousands of Converters

    Access over 1,000+ unit converters across multiple categories.

  • Accurate Results

    Our conversions are precise and regularly verified for accuracy.

  • Easy to Use

    Simple interface designed for quick and intuitive conversions.

  • No Ads

    Clean, distraction-free experience without annoying popups.

  • Mobile Friendly

    Use our converters on any device, anywhere, anytime.

  • Detailed Information

    Get formulas and additional context for each conversion.

1,000+

Unit Converters

Length

cm to inches, feet to meters, etc.

200+ converters

Weight

kg to lbs, grams to ounces, etc.

150+ converters

Temperature

Celsius to Fahrenheit, etc.

50+ converters

Powerful Features

Omniconverter is packed with features to make unit conversion simple, fast, and accurate

Instant Conversion

Get results as you type with our real-time conversion engine.

Global Units

Convert between metric, imperial, and other measurement systems.

Conversion Tables

View comprehensive tables for quick reference of common values.

High Precision

Get accurate results with appropriate decimal precision for each unit type.

What Our Users Say

Thousands of people use Omniconverter every day for their conversion needs

Sarah T.

Engineer

"Omniconverter is my go-to tool for all unit conversions. It's accurate, fast, and has every converter I need for my work."

Michael R.

Student

"This site has saved me so much time on my physics homework. The conversion tables are especially helpful for quick reference."

Jessica K.

Chef

"I use Omniconverter daily in my kitchen for recipe conversions. The interface is clean and it's so easy to use on my phone."

Frequently Asked Questions

Find answers to common questions about unit conversions and using Omniconverter

All conversions on Omniconverter are highly accurate and based on standard conversion formulas and rates. We regularly update our conversion algorithms to ensure precision. For scientific and professional use, our conversions maintain appropriate significant figures and decimal precision.

Yes, Omniconverter is fully responsive and works on all devices including smartphones, tablets, laptops, and desktop computers. Our mobile-friendly design ensures you can convert units on the go with the same accuracy and features as the desktop version.

No, Omniconverter is completely free to use without any registration or account creation. You can instantly access all our conversion tools without signing up or providing any personal information.

Omniconverter supports a wide range of unit categories including length, weight, temperature, volume, area, speed, time, pressure, energy, power, data storage, and many more. We have over 1,000 different unit converters across more than 10 categories.

You can suggest a new converter or report any issues through our Contact page. We welcome feedback and continuously work to improve our service and add new conversion tools based on user requests.

Yes, each converter page includes the specific formula used for that conversion. We believe in transparency and education, so we provide the mathematical formulas to help users understand how the conversions work.

Yes, Omniconverter is 100% free to use. There are no hidden fees, subscriptions, or premium features. All conversion tools are available to everyone without any cost or limitations.

Ready to Convert?

Start using the most comprehensive unit converter available online. No sign-up required, completely free.

Omniconverter

The most comprehensive unit conversion tool available online. Simple, fast, and accurate.

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