Convert seconds to minutes, hours, days, weeks, months or years — and back. Handy for calculating durations of long-running processes, subscription lengths and more.
Advertisement
How it works
Every unit has a fixed ratio to seconds (60, 3600, 86400, etc.). We convert your input to seconds first, then display it in every other unit.
Key features
- 7 units: seconds through years
- Instant conversion
- Handles fractional inputs
- High-precision output
Common use cases
Server uptime
90-day uptime in hours? Easy.
Cache TTL configuration
What's 604,800 seconds? One week.
Rough calendar estimates
Great for quick "about how many minutes is 3 months?" style questions.
Advertisement
Pro tips
- ◆Months are approximate (30.44 days) — for exact month arithmetic use the Date Calculator.
Common mistakes to avoid
- ✕Using "month" for exact calculations — months vary from 28 to 31 days.
Frequently asked questions
How is a year defined?▼
We use the mean tropical year of ~365.25 days for conversion.
Advertisement