Convert Days to Hours
Figure out exactly how to change days into hours. Use the calculator below or the quick conversion table. You can also check the examples to see how many hours are in a day, a week, or a month.
Days to hours converter
Quick Reference
Days to Hours Conversion Table
Here are some common conversions so you do not have to do the math yourself. It shows the exact hours for different amounts of days.
| Days | Calculation | Hours (hr) |
|---|---|---|
| 1/24 day | 0.041667 × 24 | 1 hr |
| 1/12 day | 0.083333 × 24 | 2 hr |
| 1/8 day | 0.125 × 24 | 3 hr |
| 1/4 day | 0.25 × 24 | 6 hr |
| 1/3 day | 0.333333 × 24 | 8 hr |
| 1/2 day | 0.5 × 24 | 12 hr |
| 3/4 day | 0.75 × 24 | 18 hr |
| 1 day | 1 × 24 | 24 hr |
| 1.5 days | 1.5 × 24 | 36 hr |
| 2 days | 2 × 24 | 48 hr |
| 3 days | 3 × 24 | 72 hr |
| 5 days | 5 × 24 | 120 hr |
| 7 days | 7 × 24 | 168 hr |
| 10 days | 10 × 24 | 240 hr |
| 30 days | 30 × 24 | 720 hr |
How to Do It
How to Convert Days into Hours
Changing days into hours is easy once you know the rule.
The Formula
We use days and hours all the time to plan trips, schedule work, and track projects. The rule you need is simple. One day is exactly 24 hours.
To turn hours back into days later, you just divide those hours by 24.
How to Turn Days into Hours Step by Step
Write down your days
Start with the number of days you want to convert. Let us say you want to know how many hours are in 3 days.
Multiply by 24
Take 3 and multiply it by 24. That gives you 72 hours.
Label your answer
Write hours after the number so people know what you mean. Now you know 3 days is exactly 72 hours.
Comparing Units
Understanding Days vs Hours
Both days and hours measure time. We use hours for short things like meetings or work shifts. We use days for longer things like vacations or deadlines.
If you need to know how many hours in a day you have for a project, just remember there are exactly 24. To find the total hours for any amount of days, just multiply the days by 24.
This math helps you plan out road trips, figure out delivery times, and build study schedules.
Common Time Questions
Calculations for Days into Hours
Here is how to figure out the hours for some of the most common times people search for.
How many hours are in 3 days?
Take 3 and multiply by 24. That means 3 days is exactly 72 hours.
4 days in hours
Take 4 and multiply by 24. So 4 days is equal to 96 hours.
How many hours are 5 days?
Take 5 and multiply by 24. The answer is exactly 120 hours.
How many hours in 7 days?
Multiply 7 by 24. A full week or 7 days is 168 hours.
How many hours is 10 days?
Multiply 10 by 24. You get exactly 240 hours.
How many hours in 14 days?
Take 14 and multiply by 24. Two full weeks or 14 days is 336 hours.
How many hours is 30 days?
Multiply 30 by 24. A standard month of 30 days equals exactly 720 hours.
FAQ
Frequently Asked Questions
Answers to common questions about calculating time.