Unit Converter 2025

Universal Measurement Converter - 100+ Units

📏 Universal Unit Converter

9 Categories - Length, weight, temperature & more

100+ Units - All common conversions

Real-time Results - Instant conversion as you type

Quick Presets - Common unit pairs

Select Category

Convert Length

Conversion Result

1 Meter =

3.2808

Foot (ft)

Quick Conversions

Millimeter (mm)1000.0000
Centimeter (cm)100.0000
Meter (m)1.0000
Kilometer (km)0.0010
Inch (in)39.3701
Foot (ft)3.2808

What is a Unit Converter?

A Unit Converter transforms measurements from one unit to another within the same category (length, weight, temperature, etc.). Essential for cooking, construction, travel, science, and daily life.

Our converter supports 9 categories and 100+ units including metric (meters, kilograms, Celsius) and imperial (feet, pounds, Fahrenheit) systems. Convert instantly with accurate formulas and see multiple conversions at once.

How to Use

  1. 1Select conversion category (length, weight, etc.)
  2. 2Enter the value you want to convert
  3. 3Choose the unit you're converting from
  4. 4Select the unit you're converting to
  5. 5Get instant results with quick conversion table

Popular Unit Conversions

ConversionFormulaExample
Meters to Feetm × 3.280841 m = 3.28 ft
Kilometers to Mileskm × 0.6213711 km = 0.62 mi
Kilograms to Poundskg × 2.204621 kg = 2.20 lbs
Celsius to Fahrenheit(°C × 9/5) + 320°C = 32°F
Liters to GallonsL × 0.2641721 L = 0.26 gal
Square Meters to Square Feetm² × 10.76391 m² = 10.76 ft²
km/h to mphkm/h × 0.621371100 km/h = 62 mph
Pascals to PSIPa × 0.0001451000 Pa = 0.15 psi

9 Conversion Categories

Length

  • Millimeter, Centimeter, Meter
  • Kilometer
  • Inch, Foot, Yard, Mile
  • Nautical Mile

Weight

  • Milligram, Gram, Kilogram
  • Metric Ton
  • Ounce, Pound, Stone, Ton

Temperature

  • Celsius (°C)
  • Fahrenheit (°F)
  • Kelvin (K)

💧 Volume

  • Milliliter, Liter, Cubic Meter
  • Gallon, Quart, Pint, Cup
  • Fluid Ounce, Tablespoon, Teaspoon

📐 Area

  • Square Meter, Hectare
  • Square Foot, Square Yard
  • Acre, Square Mile

🚗 Speed

  • Meter/Second
  • Kilometer/Hour
  • Mile/Hour, Foot/Second
  • Knot

⏰ Time

  • Millisecond, Second, Minute
  • Hour, Day, Week
  • Month, Year

💨 Pressure

  • Pascal, Kilopascal, Bar
  • Atmosphere, PSI, Torr

💾 Digital Storage

  • Bit, Byte, Kilobyte
  • Megabyte, Gigabyte
  • Terabyte, Petabyte

Metric vs Imperial Systems

🌍 Metric System (SI)

Used by: Most of the world (195+ countries)

Length: Meter (m), Kilometer (km)
Weight: Gram (g), Kilogram (kg)
Temperature: Celsius (°C)
Volume: Liter (L), Milliliter (ml)

✅ Easier calculations (base-10 system)

🇺🇸 Imperial System

Used by: United States, Liberia, Myanmar

Length: Inch (in), Foot (ft), Mile (mi)
Weight: Ounce (oz), Pound (lb), Ton
Temperature: Fahrenheit (°F)
Volume: Gallon (gal), Pint, Cup

⚠️ More complex (varied bases)

Frequently Asked Questions

1. How do I convert meters to feet?

To convert meters to feet, multiply the meter value by 3.28084.

Formula:

Feet = Meters × 3.28084

Examples:

  • 1 meter = 3.28 feet
  • 5 meters = 16.40 feet
  • 10 meters = 32.81 feet
  • 100 meters = 328.08 feet

2. How do I convert Celsius to Fahrenheit?

To convert Celsius to Fahrenheit, multiply by 9/5 (or 1.8), then add 32.

Formula:

°F = (°C × 9/5) + 32

Examples:

• 0°C = 32°F (Freezing)

• 20°C = 68°F (Room temp)

• 37°C = 98.6°F (Body temp)

• 100°C = 212°F (Boiling)

• -40°C = -40°F (Same!)

• 30°C = 86°F (Hot day)

3. How many pounds are in a kilogram?

1 kilogram = 2.20462 pounds. To convert kg to lbs, multiply by 2.20462. To convert lbs to kg, divide by 2.20462 (or multiply by 0.453592).

Quick Reference:

Kilograms → Pounds

1 kg2.20 lbs
10 kg22.05 lbs
50 kg110.23 lbs
100 kg220.46 lbs

Pounds → Kilograms

1 lb0.45 kg
10 lbs4.54 kg
100 lbs45.36 kg
200 lbs90.72 kg