Metric to Imperial Converter

Convert between metric and imperial units instantly. Supports length, weight, volume, temperature, area, speed, and more.

Length
Weight
Volume
Temperature
Area
Speed
Pressure
From
Metric
Full name:
To
Imperial
3.28084
Unit:
Full name:
1 meter = 3.28084 feet
Conversion History
Clear History

Common Conversion Factors

Length Conversions
Metric Unit Imperial Equivalent Conversion Factor
1 millimeter (mm) 0.0393701 inches 0.0393701
1 centimeter (cm) 0.393701 inches 0.393701
1 meter (m) 3.28084 feet 3.28084
1 kilometer (km) 0.621371 miles 0.621371

Metric vs Imperial Systems

Metric System
International System of Units (SI)
  • Used by most countries worldwide
  • Based on powers of 10 (decimal system)
  • Standard units: meter, kilogram, liter
  • Easier for scientific calculations
Imperial System
US Customary Units
  • Primarily used in the United States
  • Historical system based on older measurements
  • Standard units: foot, pound, gallon
  • Common in everyday US life

Historical Context: The metric system was developed during the French Revolution and is now the international standard for measurement. The imperial system has its roots in ancient Roman and Anglo-Saxon units of measurement.

How to Use This Converter

1

Select Category: Choose the type of measurement (length, weight, volume, etc.) from the tabs above the converter.

2

Enter Value: Input the numerical value you want to convert in the "From" field.

3

Choose Units: Select the units you're converting from and to using the dropdown menus.

4

View Result: The converted value appears instantly in the "To" field. You can also see the conversion formula below.

Common Applications

  • Travel: Convert kilometers to miles when driving in different countries
  • Cooking: Convert grams to ounces for international recipes
  • Construction: Convert meters to feet for building plans
  • Science: Convert between Celsius and Fahrenheit for temperature readings
  • Fitness: Convert kilograms to pounds for weight tracking

Frequently Asked Questions

The United States continues to use the imperial system primarily due to historical reasons and the cost of transitioning. While the metric system is officially recognized and used in scientific and military contexts, everyday use of imperial units is deeply embedded in American culture, infrastructure, and industry.

No, there are some differences. While many units share the same names, some UK imperial units differ from US customary units. For example, a UK gallon is approximately 1.2 US gallons, and a UK ton (long ton) is 2,240 pounds compared to the US ton (short ton) of 2,000 pounds.

Our conversions use standard conversion factors accepted internationally. For most practical purposes, they are accurate enough. However, for scientific or precision engineering applications, you may need to use more precise conversion factors or consult official standards.

Yes! This converter supports conversions within the same system as well. Simply select metric units for both "From" and "To" fields to convert between different metric units (e.g., meters to kilometers, grams to kilograms).

Temperature conversion requires a formula, not just multiplication. To convert Celsius to Fahrenheit: °F = (°C × 9/5) + 32. To convert Fahrenheit to Celsius: °C = (°F - 32) × 5/9. Our converter handles these formulas automatically when you select temperature conversion.