How to calculate GST as a sole trader?

Asked by: Ms. Roxane Feeney MD  |  Last update: June 19, 2026
Score: 4.3/5 (49 votes)

As a registered sole trader, calculate GST by adding 10% (in Australia) or 15% (in New Zealand) to your prices, and report this via a Business Activity Statement (BAS) or GST return. To calculate GST included in a price, divide the total by 11 (for 10% GST). You must register if your annual turnover is $ 75 , 000 $ 7 5 , 0 0 0 or more ( 𝑁 𝑍 $ 60 , 000 𝑁 𝑍 $ 6 0 , 0 0 0 in NZ).

How much GST do I pay as a sole trader?

Goods and services tax (GST) is a tax of 10% on most goods, services and other items sold or consumed in Australia. If your business is registered for GST, you have to collect this extra money (one-eleventh of the sale price) from your customers. You pay this to the Australian Taxation Office (ATO) when it's due.

How to calculate GST for self-employed?

To calculate the amount of GST/HST to remit, multiply the revenue from your supplies (including the GST/HST) for the reporting period by the quick method remittance rate, or rates, that apply to your situation.

What is the formula to calculate GST?

GST Amount = (Selling Price x GST Rate) / 100. Here, the Selling Price is determined by adding the Cost Price and Profit Amount. The calculator factors in the Selling Price, representing the total value of goods or services subject to GST, and the GST rate, which fluctuates based on the nature of the goods or services.

How much GST and tax do you have to pay as a sole trader?

GST. Generally, you are liable for GST (Goods and Services). You only have to register for GST if you make over $60,000 a year in self-employed income. GST is a tax of 15% that you collect from your clients – you don't pay this yourself.

The NEW Tax System Coming in 2026 for Sole Traders and Landlords: Making Tax Digital

40 related questions found

Do I have to pay GST if I make less than $30,000?

You have to start charging GST/HST on the supply that made you exceed $30,000. You exceed the $30,000 threshold 1 over the previous four (or fewer) consecutive calendar quarters (but not in a single calendar quarter).

Do you pay GST on the first $75000?

However, as your business or enterprise grows, your GST turnover may exceed the registration turnover threshold. The registration turnover threshold is currently $75,000 or $150,000 for not-for-profit organisations. If you have exceeded the threshold you must register for GST.

What is the GST calculator?

A GST calculator is a tool that helps in calculating the Goods and Services Tax (GST) for various products and services. The GST is a consumption tax levied on the value added to goods and services at each stage of production and distribution.

How to calculate 18% GST on 20,000?

Example:

  1. • GST Amount = (₹20,000 x 18) / 100 = ₹3,600.
  2. • Total Price = ₹20,000 + ₹3,600 = ₹23,600.
  3. GST Amount = (Original Price × GST%) / 100.
  4. Net Price = Original Price + GST Amount.
  5. GST Amount = Original Price − (Original Price × (100 / (100 + GST%)))
  6. Net Price = Original Price − GST Amount.
  7. Original Price: ₹15,000.

Is using a GST calculator free?

With the free GST calculator, you can calculate the tax amount in three simple steps. The tool provides you with three fields that have to be filled, and it calculates GST automatically based on what you fill in.

Do self-employed people charge GST?

Although most self-employed workers and small businesses are required to collect GST/HST on behalf of the government, not every business needs to. To find out if you qualify to register for a GST/HST number, you'll need to determine the type of supply you sell.

How do you calculate GST tax?

Federal estate tax exemption by year

The taxable estate is calculated as the value of the gross estate — the total, fair market value of all its assets — minus certain deductions, like the value of mortgages, debts, and any assets that go to a surviving spouse or qualified charity.

What is the GST quick method of calculating?

The GST quick method is a simpler way of calculating your GST balance owing. You only need to know your total taxable sales. It's great for small businesses that don't have many operating expenses. To calculate, you owe GST at 3.6% of your total sales less 1% on the first $30,000.

Do sole traders get GST back?

Sole traders can claim GST credits on business-related sales if they are GST-registered.

How much GST do you pay on $1000?

Subtracting GST from Price

To calculate how much GST was included in the price, divide the total price by 11 ($1000∕11=$90.91). To calculate the price without GST, divide the price by 1.1 ($1000∕1.1=$909.09).

Is there a simple formula for GST calculation?

The formula for calculating GST is to multiply the net price (exclusive of GST) by 1.1 or divide the price including GST by 11 to determine the GST component.

Is GST still 18%?

GST consolidates from four to two rates: standard 18% and 5% reduced; new 40% levy. India's Goods and Services Tax Council has implemented the simplification of GST rates from 22 September 2025.

Why do you divide by 11 to get GST?

GST (Goods and Services Tax) is a 10% tax applied to most goods and services sold in Australia. Think of it as the government's slice of the pie—exactly one-eleventh (1/11th) of the total price including GST.

How to manually calculate GST?

GST is a broad-based tax of 10% on most goods, services and other items sold or consumed in Australia. To work out the cost of an item including GST, multiply the amount exclusive of GST by 1.1. To work out the GST component, divide the GST inclusive cost by 11.

What is the GST calculation formula?

Let's find out. If you have a GST-inclusive sales price and wish to calculate the 15% GST component of the total price, you can either divide it by 1.15 or follow this formula: Multiply the total sales price by 3. Divide the result by 23.

How to check GST calculator?

There are different slabs for GST i.e. 5%, 12%, 18% and 28%. For instance, if a goods or services is sold at Rs. 1,000 and the GST rate applicable is 12%, then the net price calculated will be = 1,000+ (1,000X(12/100)) = 1,000+120 = Rs. 1,120.

Do I charge GST as a sole trader?

If you're registered for GST, you must charge and collect GST. Sole traders and businesses who estimate they'll make $75,000 or more in business income in any given 12-month period have to register for GST. Sole traders in certain industries, like limo and taxi drivers, have to register for GST regardless of income.

Does a sole proprietor need to pay GST?

As a sole proprietor, you may be required to register for the goods and services tax/harmonized sales tax (GST/HST) if you provide taxable supplies in Canada. For more information, go to GST/HST or consult guide RC4022, General Information for GST/HST Registrants.

Is it worth being GST registered?

The main benefit of being GST registered is that you can claim back GST on your business expenses. If you pay more in GST when buying supplies for your business than you charge your clients, you are eligible for a GST refund.