8 hours is 480 minutes (8 × 60), or 28,800 seconds. 8 hours 30 minutes is 510 minutes.
480 minutes
8 hours = 480 minutes
| Unit | Amount |
|---|---|
| Milliseconds | 28,800,000 |
| Seconds | 28,800 |
| Minutes | 480 |
| Days | 0.3333 |
| Weeks | 0.0476 |
| Months | 0.011 |
| Years | 0.0009126 |
| Decades | 0.00009126 |
| Centuries | 0.000009126 |
How it’s calculated
Every unit is converted through seconds: 1 minute = 60 s, 1 hour = 3,600 s, 1 day = 86,400 s, 1 week = 604,800 s. Months and years use the Gregorian average: 1 year = 365.2425 days = 31,556,952 s, 1 month = 1/12 year = 2,629,746 s.
Worked example with your numbers
- 8 hours × 3,600 seconds per hour = 28,800 seconds.
- 28,800 seconds ÷ 60 seconds per minute = 480 minutes.
Quick answer
8 hours is 480 minutes (8 × 60), or 28,800 seconds.
- 8 hours
- 480 minutes
- 8.5 hours
- 510 minutes
- 7.5 hours
- 450 minutes
- 8 hours
- 28,800 seconds
| Hours | Days | Days and hours |
|---|---|---|
| 12 | 0.5 | 0 days 12 hours |
| 24 | 1 | 1 day |
| 36 | 1.5 | 1 day 12 hours |
| 48 | 2 | 2 days |
| 60 | 2.5 | 2 days 12 hours |
| 72 | 3 | 3 days |
| 96 | 4 | 4 days |
| 100 | 4.1667 | 4 days 4 hours |
| 120 | 5 | 5 days |
| 144 | 6 | 6 days |
| 168 | 7 | 7 days |
| 240 | 10 | 10 days |
| 336 | 14 | 14 days |
| 720 | 30 | 30 days |
Days = hours ÷ 24. 72 hours is exactly 3 days; 168 hours is one week.
How it works
An 8-hour shift with an unpaid 30-minute lunch runs 8.5 hours from clock-in to clock-out — for example 9:00 AM to 5:30 PM. The hours calculator works it out from your times.
Frequently asked questions
How many hours is 480 minutes?
8 hours.