Anyone else notice that HST Calculation is incorrect on QuickBooks?

Hi stevederry-derry,

Welcome to the Community. QuickBooks offers a powerful tax module that simplifies the way you manage your taxes. It's important you know how the calculations work in QuickBooks and I'll be glad to share more info.

Depending on what the total amount on the invoice is, I'll be happy to break down the calculations for you. You can also check out this helpful article that explains more about how rounding works in QuickBooks: 

Tax Rounding off logic in QuickBooks Online API.

Let me know if this explanation helps bring things into perspective. You're more than welcome to reach back to me in the comments below if you have other questions. I've got your back.