Unit Converter - Length, Weight, Temperature & Volume

Convert between common length, weight, temperature, and volume units instantly. Enter a value, pick your units, and get an accurate conversion with support for metric and imperial measurements.

Convert Units

Length, weight, temperature, and volume conversions.

Category

Result

Instant conversion output.

Feet (ft)

3.28084

1 Meters

Methodology and limitations

Last reviewed:

Methodology

Converts through category base units using standard multipliers; temperature uses formula-based Celsius conversion.

Limitations

Rounding may differ slightly from specialized scientific tools.

How Unit Conversion Works

Convert between common length, weight, temperature, and volume units instantly. Enter a value, pick your units, and get an accurate conversion with support for metric and imperial measurements.

Method used

The calculator converts values through a category base unit using standard multipliers for length, weight, volume, and temperature. Temperature uses formula-based Celsius conversion rather than a simple multiplier.

°F = (°C × 9/5) + 32; target value = source value × (source-to-base ratio)

Practical example

Converting 5 miles to kilometers: 5 × 1.60934 ≈ 8.05 km. Converting 100 °F to Celsius: (100 − 32) × 5/9 ≈ 37.8 °C.

  • Category: length, weight, temperature, or volume
  • Source value and units
  • Target units (swap supported)

The result shows the converted value with source and target unit labels.

Assumptions

  • Standard international conversion factors are used.
  • Temperature conversions use exact formulas, not rounded multipliers.
  • Results display with practical decimal precision.

What this includes

  • Length, weight, temperature, and volume conversions with unit swap.

What this excludes

  • Currency conversion, cooking volume vs weight density, scientific significant figures, and specialized engineering unit systems.

Frequently Asked Questions

How do I convert between metric and imperial units?

Select a category such as length or weight, enter your value, choose the source unit (for example meters or pounds), and pick the target unit. The calculator converts through a standard base unit for accurate results.

Does the temperature converter handle Celsius and Fahrenheit?

Yes. The temperature converter supports Celsius, Fahrenheit, and Kelvin. It uses standard conversion formulas rather than a simple multiplier, so 32°F correctly converts to 0°C.

Which length units are supported?

Common length units include millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles. Conversions use exact standard definitions, such as 1 inch equals 25.4 millimeters.

Can I swap the from and to units?

Yes. Use the swap button to reverse the source and target units without re-entering your value. This is useful when you want to see the inverse conversion.

How precise are the conversion results?

Results display up to six decimal places for most values, with scientific notation for very large or very small numbers. Underlying conversions use standard base-unit multipliers for accuracy.