Taxes
GST-inclusive total
Add the tax to the base to get the price the customer pays.
The Formula
Total = base x (1 + rate)
Add the tax to the base to get the price the customer pays.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| T | Total price | currency | Price including GST. |
What Each Symbol Means
Tcurrency
Total price
Price including GST.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate gst page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate GST, filed under Finance. Every number the guide produces comes from substituting into this one line.