This idea has been merged into another idea. To comment or vote on this idea, please visit A-I-11695 Allow "Original Estimate and "Logged Effort" to be used in Calculated Columns .
I want to be able to calculate on "Feature original estimate" and other estimation fields, but currently the Equation Builder says these fields are "incompatible with calculation columns". Make all estimation fields denominated in minutes and treated as a number fields.