Unit Conversion Calculator

What this calculator does

This unit converter handles common metric and imperial conversions for length, weight, temperature and volume. It is built for practical everyday checks.

Formula used

Each conversion uses a fixed conversion factor. Temperature conversions use the standard linear formulas between Celsius and Fahrenheit.

How to read the result

Use enough decimal places for your task. Rounding that is fine for travel or cooking may be too rough for engineering or scientific work.

Assumptions

• Uses US liquid gallons for gallon conversions.
• Rounds displayed results for readability.
• Does not include every specialist unit yet.

Sources and checks

This calculator uses a standard public formula. Where rules or thresholds can change, source links are listed on the relevant page.

Frequently asked questions