# 15 percent GST Calculator

This is very easy to use 15% GST Calculator. Calculate inclusive, exclusive or reverse 15% GST rate with this calculator.

15% GST rate is calculated in New Zealand

## How to calculate 15% GST manually

• It is very easy to calculate GST at 15% rate: just multiple your GST exclusive amount by 0.15.

\$200 is GST exclusive value

\$200 * 0.15 = \$30 GST amount

• To get GST inclusive amount multiply GST exclusive value by 1.15

\$200 is GST exclusive value

\$200 * 1.15 = \$230 GST inclusive amount

• To get GST part of GST inclusive amount you need divide GST inclusive amount by 115 and multiply by 15

\$345 is GST inclusive value

(\$345 / 115) * 15 = \$45 GST value

• To get GST exclusive amount while knowing GST inclusive value you need to multiply GST inclusive price by 100 ant then divide result by 115

\$345 is GST inclusive value

\$345*100=\$34500

\$34500/ 115 = \$45

## 2 Replies to “15 percent GST Calculator”

1. SHANKARLINGA M A says:

Respected Sir,

i want how to calculate to GST AND IN EXCEL AND CALCULATOR TO ME

1. gstcalculator says:

You can write a formula in Excel by examples provided above.