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Unit Converter

Free to Use

Convert between all common units — length, weight, temperature, area, volume, speed, data, and time. Real-time conversion with 8 categories.

100
1 Meter (m) = 100 Centimeter (cm)

All Length Units

Meter (m)1
Kilometer (km)0.001
Centimeter (cm)100
Millimeter (mm)1,000
Micrometer (μm)1,000,000
Nanometer (nm)1,000,000,000
Mile (mi)0.0006213711922
Yard (yd)1.093613298
Foot (ft)3.280839895
Inch (in)39.37007874
Nautical Mile0.0005399568035
Light Year1.056971e-16

Frequently Asked Questions

Is this unit converter free?›
Yes, entirely free with no account required. All 8 categories and 70+ units are available immediately.
What unit categories are supported?›
Length, Weight, Temperature, Area, Volume, Speed, Data (bytes/bits), and Time — covering metric, imperial, and scientific units. The full list is shown in the "All Units" table for each category.
How accurate are the conversions?›
Conversions use exact or high-precision factors sourced from NIST and SI standards. Results are shown to up to 10 significant figures, and very large or very small numbers are displayed in scientific notation to avoid rounding errors.
What are common use cases?›
Converting recipe measurements (cups to ml), calculating distances for travel (miles to km), checking file sizes (MB to GB), converting body weight (kg to lbs), and engineering unit conversions for work or study.
Does the temperature conversion handle absolute zero correctly?›
Yes. Celsius, Fahrenheit, Kelvin, and Rankine are all converted via their correct offset formulas, not simple multipliers, so 0 K correctly maps to -273.15°C and -459.67°F.

What Is Unit Converter?

A unit converter translates measurements between metric, imperial, and other systems across multiple categories: length (meters, feet, miles, km), weight/mass (kg, pounds, ounces, grams), temperature (Celsius, Fahrenheit, Kelvin), area, volume, speed, pressure, energy, and data storage. Formly's free unit converter supports all major units with a clean, searchable interface and instant conversion as you type.

Why Formly's Unit Converter Is the Best Free Option

  • ✓Covers 15+ measurement categories: length, weight, temperature, area, volume, speed, and more.
  • ✓Instant conversion — no button click, converts as you type.
  • ✓Common conversion quick-picks — most-used conversions shown prominently.
  • ✓Supports both metric and imperial for all categories.
  • ✓Free with no account or signup.

Free Alternative to Google unit converter, UnitConverters.net

→Google unit converter: Google's built-in converter covers basic units. Formly supports more categories and units.
→UnitConverters.net: Similar coverage. Formly has a cleaner interface with instant live conversion.

Who Uses Unit Converter?

International professionals

Convert between metric and imperial units when working across US/international contexts.

Students

Convert units for physics, chemistry, and math problems.

Cooks & bakers

Convert recipe measurements between cups, grams, and ml.

Popular searches: unit converter free, metric to imperial converter, length converter, weight converter, temperature converter, km to miles, kg to pounds, cm to inches.

Looking for a detailed guide? Read our in-depth tutorial on using Unit Converter for professional results.

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