⏱️ Unit Converter
Time Converter
Convert between seconds, minutes, hours, days, weeks, months, and years. Perfect for project planning, scheduling, and time calculations.
60
Quick conversions:
1 Hour =
3,600
Second
3,600,000
Millisecond
3,600,000,000
Microsecond
3.600000e+12
Nanosecond
60
Minute
1
Hour
0.0416666667
Day
0.005952381
Week
0.0013888889
Month (30 days)
0.0001141553
Year (365 days)
0.0000114155
Decade
0.0000011416
Century
Time Unit Reference
Standard Conversions
- 1 minute60 seconds
- 1 hour60 minutes
- 1 day24 hours
- 1 week7 days
- 1 year365.25 days
Useful Totals
- 1 day86,400 seconds
- 1 week168 hours
- 1 month (avg)30.44 days
- 1 year8,766 hours
- 1 year525,960 minutes
Time in Perspective
1 Million Seconds
≈ 11.57 days
1 Billion Seconds
≈ 31.7 years
10,000 Hours
≈ 1.14 years (mastery rule)
Working Year
≈ 2,080 hours (40hr/week)
Human Lifespan
≈ 2.5 billion seconds (80 yrs)
1 Decade
≈ 3,652 days
FAQs
How many hours are in a year?▼
A standard year has 8,760 hours (365 days × 24 hours). A leap year has 8,784 hours. The average, accounting for leap years, is approximately 8,766 hours.
How many seconds are in a day?▼
There are exactly 86,400 seconds in a day (24 hours × 60 minutes × 60 seconds).
Why does this converter use 365.25 days per year?▼
We use 365.25 days to account for leap years, which occur roughly every 4 years. This gives a more accurate average for multi-year calculations.
How many weeks are in a month?▼
On average, a month has approximately 4.35 weeks (30.44 days ÷ 7 days). This varies by month from about 4 to 4.43 weeks.