Formula
h to d conversion formula
Use this relationship for a direct conversion:
d = h x 0.041666666667
Worked example
2 h = 0.0833333333 d.
Use the Date Calculators for calendar months, leap years, daylight saving transitions, and business days.
Time conversion
Convert Hour to Day
1 hour (h) equals 0.041666666667 day (d). Enter any value below to convert from h to d.
Enter a value and choose units. Results update instantly.
1 h = 0.0416666667 d
All Time units
From 1 h| Unit | Value |
|---|---|
| Nanosecond ns | 3.6e12 |
| Microsecond μs | 3,600,000,000 |
| Millisecond ms | 3,600,000 |
| Second s | 3,600 |
| Minute min | 60 |
| Hour h | 1 |
| Day d | 0.0416666667 |
| Week wk | 0.005952381 |
| Average Gregorian month mo | 0.0013689535 |
| Julian year a | 0.0001140771 |
Recent conversions
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Quick reference
Hour to Day table
| Hour (h) | Day (d) |
|---|---|
| 0.01 | 0.0004166667 |
| 0.1 | 0.0041666667 |
| 1 | 0.0416666667 |
| 2 | 0.0833333333 |
| 5 | 0.2083333333 |
| 10 | 0.4166666667 |
| 25 | 1.0416666667 |
| 50 | 2.0833333333 |
| 100 | 4.1666666667 |
| 1,000 | 41.6666666667 |
From unit
About the hour
Exactly 60 minutes.
Symbol: h
To unit
About the day
Exactly 24 hours for elapsed-time conversion.
Symbol: d
Keep converting
Related conversions
Source
Conversion standard
Definitions are checked against BIPM SI Brochure: Units of time. Calculations use full internal precision before display rounding.
View the complete time converterQuestions
h to d FAQ
How do you convert hour to day?
Use the formula d = h x 0.041666666667. 1 hour (h) equals 0.041666666667 day (d).
Is the h to d conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.