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Unit Converter

Convert between different units for length, weight, volume, temperature, time, and more instantly with accurate results.

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Unit converters are commonly used by students, engineers, cooks, travelers, and professionals who need to convert measurements between different systems.

Common scenarios:

  • Science and engineering - standardizing measurements
  • Cooking and baking - converting recipe measurements
  • Travel - understanding distances in different countries
  • Education - solving homework and learning measurement systems

Convert meters, feet, inches, kilometers, miles, and more.

Convert kilograms, pounds, grams, ounces, and tons.

Convert liters, gallons, milliliters, cups, and more.

Convert Celsius, Fahrenheit, Kelvin, and Rankine.

Convert seconds, minutes, hours, days, and weeks.

  • 1 meter = 3.28084 feet
  • 1 kilogram = 2.20462 pounds
  • 1 liter = 0.26417 gallons
  • 100°C = 212°F
  • 1 hour = 60 minutes
  • 1 mile = 1.60934 kilometers

Confusing Metric and Imperial: Ensure you select the correct unit system. Mixing meters and feet without conversion leads to errors.

Rounding Too Early: For multi-step conversions, keep full precision until the final result to avoid compounding rounding errors.

Temperature vs Temperature Difference: Converting temperatures (32°F = 0°C) uses different formulas than converting temperature differences.

Yes, all conversions use standard international conversion factors from organizations like NIST and ISO, providing results accurate to multiple decimal places.

Yes, select your unit category (length, weight, volume, etc.) and the converter allows you to switch between any units in that category.

Our converter supports length, mass, volume, temperature, time, area, energy, pressure, power, data size, angles, and more.

Yes, all unit converters are completely free with no registration required.

Temperature uses special formulas. For example, °F = (°C × 9/5) + 32. Our converter handles all temperature formulas automatically.