Reference conversions
| Source unit | Equivalent |
|---|---|
| 1 minute | 60 seconds |
| 1 hour | 3,600 seconds |
| 1 day | 86,400 seconds |
| 1 week | 604,800 seconds |
Convert duration units through seconds. The month and year options are fixed approximations intended for simple arithmetic, not calendar scheduling.
| Source unit | Equivalent |
|---|---|
| 1 minute | 60 seconds |
| 1 hour | 3,600 seconds |
| 1 day | 86,400 seconds |
| 1 week | 604,800 seconds |
3,600 seconds = 60 minutes = 1 hour.
Months vary from 28 to 31 days and calendar years may contain 365 or 366 days. Use a calendar-aware date library for billing periods, deadlines, or civil-time calculations.
Time Converter is for this task: Convert milliseconds, seconds, minutes, hours, days, weeks, months, and years. It runs in the browser; start with a short, non-sensitive sample and confirm the behavior before processing more data.
Use it for a focused Time Converter task when a quick browser workbench is appropriate.
numbers, units, and the options shown by the calculator
the calculated or converted values described on the page
For Time Converter: Confirm units, precision, rounding, and formula scope. Use an authoritative workflow for engineering or financial decisions. See the test method.