In 1 days there are 24 hours. Meanwhile in 1 hours there are 0.041667 days. Keep reading to learn more about each unit of measure and how they are calculated. Or just use the Hours to Days calculator above to convert any number.
* Values rounded to 6 decimal places for readability
To convert days to hours, use this simple rule:
Example:
This days to hours conversion works for whole days and decimals too:
A standard day has 24 hours. This is the most common conversion used for schedules, time sheets, and planning.
Multiply the number of days by 24.
Formula: hours = days × 24
Example: 3 days × 24 = 72 hours
2 days = 48 hours.
Calculation: 2 × 24 = 48.
7 days = 168 hours.
Calculation: 7 × 24 = 168.
30 days = 720 hours.
Calculation: 30 × 24 = 720.
This uses a 24-hour day and a 30-day month length.
A workday depends on your job and local rules. Many full-time schedules use 8 hours per workday, but some use 7.5, 10, or 12. Always check your shift length.
Divide the number of hours by 24.
Formula: days = hours ÷ 24
Example: 60 hours ÷ 24 = 2.5 days
1.5 days = 36 hours.
Calculation: 1.5 × 24 = 36.
0.25 days = 6 hours.
Calculation: 0.25 × 24 = 6.
Most day-to-hour conversions use 24 hours. Some calendar days can be 23 or 25 hours in places that change clocks for daylight saving time. For planning and math, people usually stick with 24 unless that clock change matters.
In most everyday use, yes. In some settings, a "day" can mean a calendar day (midnight to midnight) or a business day. The conversion to hours still uses 24 unless a special rule applies.
Convert the days to hours, then add the extra hours.
Formula: total hours = (days × 24) + extra hours
Example: 2 days and 5 hours = (2 × 24) + 5 = 53 hours
Yes, if payroll tracks time in hours. Convert days to hours using days × 24, then apply your pay rules. If your workplace defines a "day" as a shift (like 8 hours), use that shift length instead.
365 days = 8,760 hours.
Calculation: 365 × 24 = 8,760.
A leap year has 366 days, which equals 8,784 hours.
Calculation: 366 × 24 = 8,784.
Use 24 hours per day.
For a fast estimate, you can do 2 steps: multiply by 6, then multiply by 4.
Example: 5 days × 24 = (5 × 6) × 4 = 30 × 4 = 120 hours.
The Calculate Box tool to convert days to hours uses the open source script Convert.js to convert units of measurement. To use this tool, simply type a days value in the box and have it instantly converted to hours.