Time Converter
Find the units to convert
Hour to Day Converter
Use this page to convert hour values into day, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 h = 0.0416666666666667 d
1 d = 24 h
Example: 48 h = 2 d
Hour
An hour equals 60 minutes or 3,600 seconds.
History: Hours became standard in civil timekeeping through mechanical and astronomical systems.
Current use: Hours are used in work logs, travel, and timetables.
Also written as h, hr, hrs, hours.
Day
A day equals 24 hours or 86,400 seconds.
History: It comes from the Earth rotation cycle.
Current use: Days are used in calendars, planning, and delivery windows.
Also written as d, days.
Hour to Day table
| Hour [h] | Day [d] |
|---|
| 0.01 h | 0.000416666666666667 d |
| 0.1 h | 0.00416666666666667 d |
| 1 h | 0.0416666666666667 d |
| 2 h | 0.0833333333333333 d |
| 5 h | 0.208333333333333 d |
| 10 h | 0.416666666666667 d |
| 20 h | 0.833333333333333 d |
| 50 h | 2.08333333333333 d |
| 100 h | 4.16666666666667 d |
Frequently asked questions
How many Day (d) are in one Hour (h)?
One Hour equals 0.0416666666666667 Day.
How do you convert Hour to Day?
Multiply the Hour value by 0.0416666666666667 to get the result in Day.
How do you convert Day back to Hour?
Multiply the Day value by 24 to get back to Hour.
What is 48 Hour in Day?
48 Hour equals 2 Day.
