Time converter
Convert seconds, minutes, hours, days and weeks instantly.
- Instant
- Free
- Private (processed locally)
- No sign-up
Convert a duration in an instant
Type a value in any field — ms, s, min, h, days, weeks — and read all equivalents immediately. Ideal for development, sport, cooking or planning.
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Pick a unit
ms, s, min, h, day or week.
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Type a value
The others compute themselves.
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Read the references
Table of common durations.
Key equivalents
- 1 minute = 60 seconds
- 1 hour = 3,600 seconds
- 1 day = 86,400 seconds
- 1 week = 604,800 seconds
Common references
| Period | Seconds | Hours |
|---|---|---|
| 1 hour | 3,600 | 1 |
| 1 day | 86,400 | 24 |
| 1 week | 604,800 | 168 |
| 1 year (365 d) | 31,536,000 | 8,760 |
Month (30 d) and year (365 d) are indicative references. 100% local and instant calculation.
Frequently asked questions
How do the linked fields work?
All fields share the second as a base. When you type a value in one field, the others are recalculated instantly.
How many seconds in an hour?
1 hour = 60 minutes = 3,600 seconds. 1 day = 86,400 seconds. 1 week = 604,800 seconds.
Are months and years supported?
The reference table includes 1 month (30 days) and 1 year (365 days) for guidance, since their actual length varies.
Is my data uploaded?
No. The conversion is purely local and instant, with no network calls.