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I have a duration field and I want to multiply it by an hourly rate for billing purposes.


I’m multiplying a duration, say 1:30 by an hourly rate, say $100 and getting $540,000. Our clients won’t be happy with that.


How do I make this work properly?


Thanks so much for any help!

Hi @Steven_Joiner.


If you have:

Field 1 = Duration (duration h:mm)

Field 2 = Hourly Rate (currency)


Add a Field 3 = Total (formula)

with this formula:


{Duration (h:mm)} * ({Hourly Rate}/3600)


A duration field returns it’s value in seconds (ie, 1:30 = 90min = 5400s; the field will return 5400 to use in formula calculations)


Here’s a demo base you can look at, and copy to your workspace (top-right corner when viewing) if you want:



Multiply Currency by Time - Airtable



Explore the "Multiply Currency by Time" base on Airtable.









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