Date Units Converter
Convert between seconds, minutes, hours, days, weeks, months, and years instantly.
Type in any field — the others update instantly.
Date unit conversions use seconds as the base unit.
Exact conversions:
- 1 minute = 60 seconds
- 1 hour = 3,600 seconds (60 minutes)
- 1 day = 86,400 seconds (24 hours)
- 1 week = 604,800 seconds (7 days)
Approximate conversions (using averages):
- 1 month = 30.4375 days (365.25 / 12)
- 1 year = 365.25 days (accounting for leap years)
- 1 year = 31,557,600 seconds
Quick references:
- 1 million seconds ≈ 11.57 days
- 1 billion seconds ≈ 31.69 years
- 1 trillion seconds ≈ 31,688 years
- 100 years = 3,155,760,000 seconds