How many hr in 1 hours? The answer is 1. We assume you are converting between hour and hour. You can view more details on each measurement unit: hr or hours The SI base unit for time is the second. 1 second is equal to 0.00027777777777778 hr, or 0.00027777777777778 hours. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between hours and hours. Type in your own numbers in the form to convert the units!
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.
1 hr to hours = 1 hours
5 hr to hours = 5 hours
10 hr to hours = 10 hours
20 hr to hours = 20 hours
30 hr to hours = 30 hours
40 hr to hours = 40 hours
50 hr to hours = 50 hours
75 hr to hours = 75 hours
100 hr to hours = 100 hours
You can do the reverse unit conversion from hours to hr, or enter any two units below:
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).
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).
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!