Converters
One place for the conversions that come up constantly: metric and imperial units, exchange rates, Unix timestamps, binary and hex, color formats, and Hijri to Gregorian dates.
8 tools
- Unit ConverterConvert length, mass, temperature, area, volume, speed, pressure, data size and energy.
- Currency ConverterConvert between 160+ world currencies, including Gulf and Arab currencies, at daily rates.
- Roman Numerals ConverterConvert numbers to Roman numerals and back, one per line.
- Hijri ↔ Gregorian ConverterConvert between the Umm al-Qura Hijri calendar and the Gregorian calendar.
- Arabic-Indic Digits ConverterConvert ١٢٣ to 123 and back, including Persian digits and Arabic decimal separators.
- Unix Timestamp ConverterConvert Unix timestamps to dates and back, with ISO, local, Hijri and relative time.
- Number Base ConverterConvert between binary, octal, decimal, hex and any base up to 36. Handles very large numbers.
- Color Converter & Contrast CheckerConvert HEX, RGB and HSL, and check WCAG contrast against white and black.