Convert Days (d) to Hours (h)
Days to hours — handy for planning trips, deadlines, fasting windows or any schedule that spans several days.
Formula
1 d = 24 h
To convert d to h, multiply the value by 24.
Conversion Table
| Days (d) | Hours (h) |
|---|---|
| 0.01 d | 0.24 h |
| 0.1 d | 2.4 h |
| 0.5 d | 12 h |
| 1 d | 24 h |
| 2 d | 48 h |
| 3 d | 72 h |
| 5 d | 120 h |
| 10 d | 240 h |
| 15 d | 360 h |
| 20 d | 480 h |
| 25 d | 600 h |
| 50 d | 1200 h |
| 100 d | 2400 h |
| 250 d | 6000 h |
| 500 d | 12000 h |
| 1000 d | 24000 h |
| 2500 d | 60000 h |
| 5000 d | 120000 h |
| 10000 d | 240000 h |
| 50000 d | 1200000 h |
Common d to h Examples
- 1 d = 24 h
- 5 d = 120 h
- 10 d = 240 h
- 25 d = 600 h
- 50 d = 1200 h
- 100 d = 2400 h
- 500 d = 12000 h
- 1000 d = 24000 h
About d to h
1 day = 24 hours, so 2 days = 48 hours and 7 days (a week) = 168 hours.
Quick references: a 3-day weekend is 72 hours, a 14-day period is 336 hours, and a 30-day month is 720 hours.
Frequently Asked Questions
How many hours are in a day?
24 hours.
How many hours are in a week?
7 days times 24 hours = 168 hours.
How much is 1 d in h?
1 d equals 24 h. This ratio applies to every conversion between the two units.
What is the formula to convert d to h?
The formula is 1 d = 24 h. To convert any value, multiply the value by 24.
How do I convert d to h by hand?
Take the value in d and multiply the value by 24. The result is the same value expressed in h.
Is the conversion from d to h exact?
The ratio 24 is defined to high precision and is exact for most practical purposes. Rounding only matters when many decimal places are needed.
How many decimal places should I keep when converting d to h?
For everyday use, 2 to 4 decimal places are enough. Scientific or engineering work may require 6 or more.
Can I convert h back to d?
Yes. Simply invert the ratio: divide the h value by 24 to get the equivalent in d.