GST Explained: A Complete Guide for Small Business Owners
Understanding GST is crucial for small business owners. Learn how it works, how to calculate it, and how to stay compliant.
Achyutananda Meher
Founder of Measurely
Table of Contents
What is GST?
Goods and Services Tax is a value-added tax levied on most goods and services sold for domestic consumption.
How GST Works
GST is collected at every point in the supply chain. Businesses can claim credit for GST paid on purchases.
GST for Small Businesses
Registration Requirements
Most countries require businesses above a turnover threshold to register for GST.
Input Tax Credit
Claim back the GST you've paid on business purchases.
Inclusive vs. Exclusive Pricing
GST Exclusive: Tax is added at checkout. GST Inclusive: The price already includes GST.How to Calculate GST
Exclusive Calculation
If the base price is $1,000 and GST is 18%:
- GST Amount = $1,000 � 18% = $180
- Total Price = $1,180
Inclusive Calculation
If the total price is $1,180 and GST is 18%:
- Base Price = $1,180 � 100 / 118 = $1,000
Filing GST Returns
Most countries require regular GST returns detailing sales, purchases, and net tax payable.
Use Measurely's GST Calculator
Our GST calculator makes it easy to compute GST inclusive and exclusive amounts. Use the tax calculator for overall income tax planning.
For more financial guidance, read our tax saving tips for 2026 and EMI calculator guide.
About Achyutananda Meher
Founder of Measurely
Achyutananda Meher is the founder of Measurely. He created the platform to help Indian businesses and individuals understand GST, simplify tax filing, and ensure compliance.
Frequently Asked Questions
Do I need to charge GST if my business is small?
It depends on your country's threshold. If your turnover is below the threshold, registration is optional.
What is the difference between GST and sales tax?
Sales tax is collected only at the final point of sale. GST is collected at each stage.
Can I claim GST on all business purchases?
You can claim GST on purchases directly related to your business.