How to Use Time Unit Converter
The Time Unit Converter is a one-stop utility for switching between every common time unit at once.
- Enter a value — Any positive number including decimals.
- Pick the source unit — Seconds, minutes, hours, days, weeks, months, years.
- Read all seven results — The converted value plus equivalents in every other unit.
- Use the result — For scheduling, science, history, or planning.
Formula & Theory - Time Unit Converter
Conversion factors (relative to seconds):
1 minute = 60 s
1 hour = 3,600 s
1 day = 86,400 s
1 week = 604,800 s
1 month ≈ 2,629,746 s (avg 30.44 days)
1 year ≈ 31,556,952 s (avg 365.24 days)
| Unit | Seconds |
|---|---|
| Second | 1 |
| Minute | 60 |
| Hour | 3,600 |
| Day | 86,400 |
| Week | 604,800 |
| Month (avg) | 2,629,746 |
| Year (avg) | 31,556,952 |
Approximate vs. Exact
Months and years vary in length. The Time Unit Converter uses long-term averages so conversions are smooth but not calendar-precise. For exact dates (birthdays, contract terms), use a dedicated date calculator.
Use Cases for Time Unit Converter
The Time Unit Converter is essential for:
- Scheduling and planning — Translate a project duration in weeks into days and hours.
- Science and engineering — Convert observation periods, half-lives or experiment durations.
- History and geology — Express geological events in years or weeks.
- Software & systems — Convert TTL or session timeouts between seconds and hours.
- Health and fitness — Translate workout cumulative time across multiple units.
- Education — Help students grasp the relationships between time units.
The Time Unit Converter consolidates seven units into one easy interface, so you never have to chain conversions manually.