Time conversions
Every time unit on the site, and every conversion between them. Each page shows a full table, the exact formula and a live calculator.
All time units
| Unit | Symbol | In second |
|---|---|---|
| second | s | 1 |
| millisecond | ms | 0.001 |
| microsecond | µs | 0.000001 |
| minute | min | 60 |
| hour | h | 3,600 |
| day | d | 86,400 |
| week | wk | 604,800 |
| month | mo | 2,629,746 |
| year | yr | 31,556,952 |
| decade | decade | 315,569,520 |
| century | century | 3,155,695,200 |
Common conversions
- Seconds to Milliseconds
- Seconds to Minutes
- Seconds to Hours
- Seconds to Days
- Seconds to Weeks
- Seconds to Months
- Seconds to Years
- Milliseconds to Seconds
- Milliseconds to Minutes
- Milliseconds to Hours
- Milliseconds to Days
- Milliseconds to Weeks
- Milliseconds to Months
- Milliseconds to Years
- Minutes to Seconds
- Minutes to Milliseconds
- Minutes to Hours
- Minutes to Days
- Minutes to Weeks
- Minutes to Months
- Minutes to Years
- Hours to Seconds
- Hours to Milliseconds
- Hours to Minutes
- Hours to Days
- Hours to Weeks
- Hours to Months
- Hours to Years
- Days to Seconds
- Days to Milliseconds
- Days to Minutes
- Days to Hours
- Days to Weeks
- Days to Months
- Days to Years
- Weeks to Seconds
- Weeks to Milliseconds
- Weeks to Minutes
- Weeks to Hours
- Weeks to Days
- Weeks to Months
- Weeks to Years
- Months to Seconds
- Months to Milliseconds
- Months to Minutes
- Months to Hours
- Months to Days
- Months to Weeks
- Months to Years
- Years to Seconds
- Years to Milliseconds
- Years to Minutes
- Years to Hours
- Years to Days
- Years to Weeks
- Years to Months
Sources
- Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures