Length, weight, temperature, area, volume, speed, time, digital storage, and number-base conversions in one consistent interface. Type a number, pick the units, and read the answer.

Who it's for: Travellers, students, engineers, cooks, fitness enthusiasts, and developers who need quick conversions without a chart.

What you can do here

Metric ↔ imperial across every common unit
Binary / decimal storage units with toggle between 1000- and 1024-based values
Number base converter (bin/oct/dec/hex) with input validation
Manual currency converter that works offline with a rate you provide

Common use cases

Converting recipe quantities between US and metric
Comparing product specs across regions (mph vs km/h, MB vs MiB)
Engineering and homework conversions on the fly

Frequently asked questions

Are the conversion factors accurate?

Yes — values use the standard SI definitions and well-known imperial constants.

Does the currency converter fetch live rates?

No — you enter the rate yourself. This makes it fully offline and avoids stale or paywalled API rates.