Convert days to hours

Conversion Calculator

Enter your value in the conversion calculator below.

TIP: If the result of your conversion is 0, try increasing the "Decimals".

How to convert days to hours: Enter a value in the days field and click on the "Calculate hours" button. Your answer will appear in the hours field.

Conversion Definitions

The following is a list of definitions relating to conversions between days and hours.

What is a day (d)?

A day is a unit of time. The symbol for day is d. There are 0.0416667 days in an hour.

What is an hour (h)?

An hour is a unit of time. The symbol for hour is h. There are 24hours in a day.

Conversion Formula

Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.

The formula to convert from days to hours is:

hours = days x 24

Conversion Example

Next, let's look at an example showing the work and calculations that are involved in converting from days to hours (d to hr).

Day to Hour Conversion Example

Task: Convert 10 days to hours (show work)

Formula:
days x 24 = hours

Calculations:
10 days x 24 = 240 hours

Result:
10 days is equal to 240 hours

Conversion Table

For quick reference purposes, below is a conversion table that you can use to convert from days to hours.

Days to Hours Conversion Chart

days (d)	hours (hr)
1 days	24 hours
2 days	48 hours
3 days	72 hours
4 days	96 hours
5 days	120 hours
6 days	144 hours
7 days	168 hours
8 days	192 hours
9 days	216 hours
10 days	240 hours
20 days	480 hours
30 days	720 hours
40 days	960 hours
50 days	1,200 hours
75 days	1,800 hours
100 days	2,400 hours
250 days	6,000 hours
500 days	12,000 hours
750 days	18,000 hours
1,000 days	24,000 hours
2,500 days	60,000 hours
5,000 days	120,000 hours
7,500 days	180,000 hours
10,000 days	240,000 hours
25,000 days	600,000 hours
50,000 days	1,200,000 hours
75,000 days	1,800,000 hours
100,000 days	2,400,000 hours
250,000 days	6,000,000 hours

Related Units

This table provides a summary of the Time units within their respective measurement systems.

Unit	Symbol	Description
nanoseconds	ns	1 second = 1,000,000,000 nanoseconds
microseconds	μs	1 second = 1,000,000 microseconds
milliseconds	ms	1 second = 1,000 milliseconds
seconds	s or sec	base unit of Time
kiloseconds	ks	1,000 seconds = 1 kiloseconds
minutes	min	1 minute = 60 seconds
hours	hr	1 hours = 60 minutes
days	d	1 day = 24 hours
weeks	wk	1 week = 7 days
fortnights	4tnite	1 fortnight = 2 weeks or 14 days
months	mo	1 month = 30.4167 days
years	yr or y	1 year = 365 days
decades	decade	1 decade = 10 years

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