Time converter
Pick two time units and type a number. A minute is 60 seconds, an hour 3,600 seconds and a day 86,400 seconds. To compare clocks in two cities, use the time zone converter.
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- Sources checked Oct 2026
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The answer updates as you type.
1 minute =
0.0166667h
Also written as 0 h 1 min
Formula: h = min ÷ 60
Show the steps
- Definition: 1 min = 60 s exactly; 1 h = 3600 s exactly
- 1 min ÷ 60 = 0.0166667 h
Definitions used: 1 min = 60 s exactly; 1 h = 3600 s exactly.
Source: NIST SP 811, Appendix B.8, checked on .
1 minute in every time unit
| Unit | Value |
|---|---|
| Milliseconds (ms) | 60,000 |
| Seconds (s) | 60 |
| Hours (h) | 0.0166667 |
| Days (d) | 0.000694444 |
| Weeks (wk) | 0.0000992063 |
| Years (365 days) (yr) | 0.00000190259 |
The table follows the amount and the “From” unit you set in the converter above.
Popular time conversions
How each time unit is defined
These are the definitions the converter uses, as written in the source next to each one. Nothing is rounded before the calculation.
| Unit | Definition | In seconds |
|---|---|---|
| Millisecond (ms) | 1 ms = 0.001 s | 0.001 |
| Second (s) | SI base unit of time | 1 |
| Minute (min) | 1 min = 60 s exactly | 60 |
| Hour (h) | 1 h = 3600 s exactly | 3,600 |
| Day (d) | 1 d = 86 400 s exactly | 86,400 |
| Week (wk) | 1 week = 7 days = 604 800 s | 604,800 |
| Year (365 days) (yr) | 1 year of 365 days = 31 536 000 s | 31,536,000 |
Time conversion questions
How many seconds are in a day?
86,400: 24 hours × 60 minutes × 60 seconds.
How long is a year here?
The year on this page is the 365-day year listed by NIST, 31,536,000 seconds. A leap year has one more day.
How do I turn 90 minutes into hours?
Divide by 60: 90 minutes is 1.5 hours, which is 1 hour 30 minutes.
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Every category uses the same layout: type a number, pick two units.
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Sources and limits
- NIST SP 811, Appendix B.8
NIST Special Publication 811, Guide for the Use of the SI, Appendix B.8: Factors for Units Listed Alphabetically (page updated August 18, 2025).
National Institute of Standards and Technology. Edition or effective date: . Text in force when checked on .
This is a calculation aid, not an official measurement service. Results are rounded to 6 significant digits for display. For trade, engineering, medical dosing or legal documents, confirm the figure in the official source. Nothing you type leaves your browser.