Days to Hours Converter
Convert days to hours for project planning, travel duration, and time estimation.
Quick Examples
Hours = Days × 24Daylight Saving Time Note
Assumes 1 day = 24 hours exactly. On DST transition days, a calendar day can be 23 or 25 hours.
How to Use This Converter
Enter Days
Type the number of days (e.g., 7 for a week or0.5 for half a day).
Quick Examples
Click 1 day, 7 days, 30 days, or 365 days for instant project planning estimates.
Set Precision
Use "Decimals" for precision. Most conversions result in whole numbers (7 days = 168 hours).
DST Awareness
Note the DST warning above. On daylight saving days, actual hours may be 23 or 25.
📐 The Formula
Hours = Days × 24 — Great for project timelines, travel planning, and subscription calculations.
Days to Hours Examples
Common Conversions
| Days | Hours |
|---|---|
| 0.5 days | 12 hours |
| 1 day | 24 hours |
| 2 days | 48 hours |
| 3 days | 72 hours |
| 7 days | 168 hours |
| 14 days | 336 hours |
| 30 days | 720 hours |
| 365 days | 8,760 hours |
Frequently Asked Questions
Common Uses
Project Management
Estimate total project hours from day-based timelines (e.g., 'This 5-day sprint is 40 working hours').
Travel Planning
Understand long travel durations in total hours (e.g., a 3-day cruise is 72 hours).
Scientific Experiments
Calculate precise observation windows for experiments running over multiple days.