Free Unit Converters

Convert common measurement units for length, weight, temperature, speed, and data in a fast online calculator.

Popular tools

Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds.

Convert between length, weight, temperature, speed, and data units. Fast, accurate, and easy to use.

Calculate the number of days, weeks, months, and years between two dates. Useful for schedules, planning, and deadlines.

Which units are supported?

The unit converter covers common everyday and technical units, with more specialized converters planned.

Can I use this for exact engineering calculations?

Use it for everyday conversions and quick checks. Verify critical engineering calculations with domain-specific tools.