## Convert hour to day

 hours days

How many hours in 1 days? The answer is 24. We assume you are converting between hour and day. You can view more details on each measurement unit: hours or days The SI base unit for time is the second. 1 second is equal to 0.00027777777777778 hours, or 1.1574074074074E-5 days. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between hours and days. Type in your own numbers in the form to convert the units!

## Date difference between calendar days

You may also want to find out how many days are between two dates on the calendar. Use the date calculatorto get your age in days or measure the duration of an event.

## Quick conversion chart of hours to days

1 hours to days = 0.04167 days

10 hours to days = 0.41667 days

20 hours to days = 0.83333 days

30 hours to days = 1.25 days

40 hours to days = 1.66667 days

50 hours to days = 2.08333 days

100 hours to days = 4.16667 days

200 hours to days = 8.33333 days

## Want other units?

You can do the reverse unit conversion from days to hours, or enter any two units below:

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## Definition: Hour

The hour was originally defined in Egypt as 1/24 of a day, based on their duo-decimal numbering system (which counted finger joints on each hand).

## Definition: Day

A continuous period of 24 hours which, unless the context otherwise requires, runs from midnight to midnight.

## Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!