Category: Formulas

How to calculate GST at 15% using Excel formulas

I have been asked twice in one week how to write Excel formulas to calculate GST at the rate of 15%.

You can find information on how to calculate the rate on the NZ Inland Revenue website. I’ve taken this a step further and put together a tutorial on how to put these calculations into Excel formulas. Read more

Excel – Using VLOOKUP to compare two lists

Years ago the Training and Development manager of a large organisation invited me to spend some time in their Accounts department in order to observe how the Accounts team dealt with their day-to-day tasks. My job was to report on any process that could be improved using Microsoft® Excel.

I’ll always remember asking one of the team (a “just-out-of-school” new recruit) what he was working on after I’d observed him sitting with a red biro and a ruler, diligently drawing red lines on 2 separate sheets of paper. It turned out he was trying to reconcile a customer’s account. Read more