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Unit Converter: Complete Guide to Unit Conversions

Master unit conversions for length, weight, temperature, volume, and more. Essential reference for everyday calculations.

2024-12-305 min

Why Unit Conversion Matters

Different regions use different measurement systems:

  • Metric: Most of the world
  • Imperial/US Customary: United States, some UK uses

    • Understanding both systems is essential for travel, science, and international communication.

    Common Conversions

    Length

  • 1 inch = 2.54 cm
  • 1 foot = 30.48 cm
  • 1 mile = 1.609 km
  • 1 meter = 3.281 feet

    • Weight

  • 1 pound = 0.453 kg
  • 1 ounce = 28.35 grams
  • 1 kg = 2.205 pounds
  • 1 stone = 6.35 kg

    • Temperature

  • °C to °F: (°C × 9/5) + 32
  • °F to °C: (°F - 32) × 5/9
  • 0°C = 32°F
  • 100°C = 212°F

    • Volume

  • 1 gallon (US) = 3.785 liters
  • 1 cup = 236.6 ml
  • 1 fluid ounce = 29.57 ml
  • 1 liter = 0.264 gallons

    • Metric Prefixes

    PrefixSymbolFactor
    Kilok1,000
    Centic0.01
    Millim0.001
    Microμ0.000001

    Conversion Tips

  • Remember key conversion factors
  • Use approximate values for estimates
  • Double-check critical calculations
  • Consider significant figures
  • Be aware of regional variations (US vs UK gallon)

    • Our Unit Converter

  • 10+ unit categories
  • Hundreds of units
  • Real-time conversion
  • History of conversions
  • Mobile-friendly design