Summing the duration time between two dates

[Jack_Bates]

I need to count the number of days that a booking was made for by summarizing the difference between the [Checkin Date]and the [Checkout Date]

[Suvrutt_Gurjar]

@Jack_Bates

number of days that a booking was made

Please try

HOUR(DATE([Check out D]) -DATE([Check in Date]))/24