That's what I thought too when looking at the manual on this function, but it seems that you have to take into account the default decimal precision too. You didn't say @BethBowers what field you are running this calculation on, but if it was say a cost field and you have decimal precision set to 4, when you use the Round(field, int) and set int to zero that it may just override that. Could you provide an example of the field you are using the results?