Conversion category
Time converters
Time measures duration and the separation between events.
Browse
- attosecond (as)
- break
- century
- day (d)
- day (sidereal)
- decade
- femtosecond (fs)
- fortnight
- hour (h)
- hour (sidereal)
- microsecond (µs)
- millennium
- millisecond (ms)
- minute (min)
- minute (sidereal)
- Minutes (min)
- month
- month
- month (synodic)
- nanosecond (ns)
- novennial
- octennial
- picosecond (ps)
- Planck time
- quindecennial
- quinquennial
- second (s)
- second (sidereal)
- Seconds (s)
- septennial
- shake
- week
- year (y)
- year (Julian)
- year (leap)
- year (sidereal)
- year (tropical)
Time converters
Time measures duration and the separation between events. This CalculatorHQ catalog contains 41 canonical units and 1,066 directional conversion routes in this category. Most time conversions are linear. CalculatorHQ converts each unit through second and derives the target value from the two canonical scale factors. Unit names that include regional, historical, dry, liquid, survey, or standard-condition qualifiers are treated as distinct definitions.