How long does it take to recalculate my inventory / cost prices? October 14, 2019 09:29 Updated Follow No longer than one minute, after which users can open the inventory item and click on 'update'. Related articles How do I recalculate my stock? Why are my duty account and offset account not used upon posting? Why is my item name group not used on my report? How do I set up a customer or vendor to be exempt from duty?