Time Conversion Chart — Full Chart & Quick Revision
Quick reference for time conversions including seconds, minutes, hours, days, weeks, months, and years. Essential for solving speed, distance, and time pro
TL;DR: Quick reference for time conversions including seconds, minutes, hours, days, weeks, months, and years. Essential for solving speed, distance, and tim…
Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated
Quick reference for time conversions including seconds, minutes, hours, days, weeks, months, and years. Essential for solving speed, distance, and time pro
Time Conversion Chart — Full Chart
| Item | Value |
|---|---|
| 1 minute | 60 seconds |
| 1 hour | 60 minutes = 3600 seconds |
| 1 day | 24 hours = 1440 minutes = 86400 seconds |
| 1 week | 7 days = 168 hours |
| 1 fortnight | 14 days = 2 weeks |
| 1 month | approximately 30 days (28, 29, or 31 days depending on month) |
| 1 year | 12 months = 365 days (366 in leap year) |
| 1 leap year | 366 days (every 4 years, except century years not divisible by 400) |
| 1 decade | 10 years |
| 1 century | 100 years |
| 12 hours | half day = noon to midnight or midnight to noon |
| 6 hours | quarter day |
| 3 hours | 180 minutes = 10800 seconds |
| 30 minutes | 1800 seconds = half hour |
| 15 minutes | 900 seconds = quarter hour |
| 1800 seconds | 30 minutes = half hour |
| 3600 seconds | 1 hour |
| 86400 seconds | 24 hours = 1 day |
| 604800 seconds | 1 week |
| 2592000 seconds | 30 days = approximately 1 month |
FAQs
How many days are there in a regular year and a leap year?
A regular year has 365 days. A leap year has 366 days. Leap years occur every 4 years, but century years must be divisible by 400 to be leap years.
How do I convert 2.5 hours to minutes and seconds?
2.5 hours = 2 hours 30 minutes. To convert to seconds: (2 x 3600) + (30 x 60) = 7200 + 1800 = 9000 seconds.