Finance

GST Calculator

Convert between net and gross prices without touching a spreadsheet. Pick whether you’re adding GST to a base amount or stripping it out of a tax-inclusive total.

gsttax inclusivetax exclusive
GST Calculator

Add GST to a base price or strip it from a tax-inclusive figure in one step.

Net amount (before GST)
$120.00
GST portion
$12.00
Gross amount (after GST)
$132.00
GST rate
10%

GST relationships

Gross = Net × (1 + rate)
Net = Gross ÷ (1 + rate)
GST = Gross − Net

Rate is expressed as a decimal (e.g., 10% = 0.10). The same formulas handle GST or VAT-style taxes where a single percentage applies to the taxable amount.

How to use

  1. Enter the amount you know (net or gross).
  2. Provide the GST rate for your region.
  3. Choose whether to add GST or remove it, then read net, tax, and gross outputs.

Example

Input: Amount = $120 (net), GST rate = 10%, Mode = Add

Output: GST = $12, Gross = $132

Student-friendly breakdown

This walkthrough emphasizes the most searched ideas for GST Calculator: gst calculator, gst inclusive calculator, gst exclusive calculator, gst amount calculator. Start with the formula above, then follow the guided steps to double-check your work. For quick revision, highlight the givens, plug into the equation, and finish by verifying your units.

Need more support? Use the links below to open the long-form guide, browse additional examples, or hop into adjacent calculators within the same topic. Each resource is interlinked so crawlers (and readers) can discover the next best action within a couple of clicks—one of the easiest ways to lift topical authority.

Deep dive & study plan

The GST Calculator is a go-to tool whenever you need to adds or removes goods and services tax from any amount.. It focuses on gst, tax inclusive, tax exclusive, which means searchers often arrive with intent-heavy queries like “how to gst calculator quickly” or “gst calculator formula explained.” Use this calculator to capture those intents and keep learners on the page long enough to send positive engagement signals.

Under the hood, the calculator leans on rate is expressed as a decimal (e.g., 10% = 0.10). the same formulas handle gst or vat-style taxes where a single percentage applies to the taxable amount.—that’s why we surface the full expression (“Gross = Net × (1 + rate) Net = Gross ÷ (1 + rate) GST = Gross − Net”) directly above the interactive widget. When you embed that formula inside H2s or supporting paragraphs, you help both humans and crawlers understand what entity the page represents.

Execution matters as much as the math. Follow the built-in procedure: Step 1: Enter the amount you know (net or gross). Step 2: Provide the GST rate for your region. Step 3: Choose whether to add GST or remove it, then read net, tax, and gross outputs.. Each numbered instruction is short enough to scan on mobile but descriptive enough to satisfy Google’s Helpful Content guidelines. Encourage students to jot down units, double-check signs, and compare answers with the Example card to build confidence.

The Example section itself is packed with semantic clues: “Amount = $120 (net), GST rate = 10%, Mode = Add” leading to “GST = $12, Gross = $132.” Pepper similar narratives throughout your copy (and internal links from related guides) so canonical search intents are answered without pogo-sticking back to Google.

Quick retention checklist

  • Speak the formula aloud (or annotate it) so the relationships stick.
  • Write each step in your own words and compare with the numbered list above.
  • Swap in new numbers for the Example to make sure the calculator (and your logic) handles edge cases.
  • Link out to at least two related calculators to keep readers exploring your topical hub.

FAQ & notes

Does it support multiple GST tiers?

It focuses on a single rate at a time. Run the calculation separately for each tier if your invoice mixes taxable and non-taxable items.

Can I change currencies?

Yes. The math is percentage based, so simply enter figures in your preferred currency and read the results in the same unit.

What formula does the GST Calculator use?

Rate is expressed as a decimal (e.g., 10% = 0.10). The same formulas handle GST or VAT-style taxes where a single percentage applies to the taxable amount.

How do I use the GST Calculator?

Enter the amount you know (net or gross). Provide the GST rate for your region. Choose whether to add GST or remove it, then read net, tax, and gross outputs.