Days to Hours converter

To convert days to hours, enter the value in the first field. The result in hours is calculated automatically using the exact conversion factor.

1 d = 24 h
1 h ≈ 0.0416666666667 d

Formula: h = d × 24
d ≈ h × 0.0416666666667

Definitions: 1 d = 24 h; 1 h = 60 min

The day (d) here is exactly 86,400 seconds, or 24 hours. The real solar day varies slightly, and some days with leap seconds last 86,401 seconds, but this converter uses the standard 24-hour day.

The hour (h) is 60 minutes, or 3,600 seconds. It is used for working time, travel, battery life and in speeds such as kilometers per hour.

See the conversion table with commonly used values, handy for quick reference or study.