Time Converter
Seconds, minutes, hours, days, years
From unit
Nanosecond
To unit
Millisecond
Supported time units
This converter supports 10 units. Each conversion is calculated using the standard SI definition where applicable.
- Nanosecond (ns)
- Millisecond (ms)
- Second (s)
- Minute (min)
- Hour (h)
- Day (d)
- Week (wk)
- Month (avg) (mo)
- Year (yr)
- Decade (decade)
Popular time conversions
Quick reference for the most-searched time conversions.
- 1 h to min = 60 min
- 1 d to h = 24 h
- 1 wk to h = 168 h
- 1 yr to d = 365.2425 d
Time converter FAQ
- How many minutes are in 1 hour?
- 1 hour (h) equals 60 minutes (min).
- How many hours are in 1 day?
- 1 day (d) equals 24 hours (h).
- How many hours are in 1 week?
- 1 week (wk) equals 168 hours (h).
- How many days are in 1 year?
- 1 year (yr) equals 365.2425 days (d).
- What is a time converter?
- A time converter instantly translates a value from one time unit to another. Unit Guru supports 10 time units, with the Second (s) as the SI base unit.
- How accurate is the time conversion?
- Every conversion uses the standard SI definition or the official conversion factor. Results are computed in your browser using double-precision arithmetic, so they're as accurate as the source units allow.
- Is the time converter free?
- Yes — Unit Guru is 100% free with no ads, no signup, and no tracking. All conversions run client-side in your browser.