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Invoice Calculator

Calculate invoices with GST (exclusive or inclusive), discounts, and get a full breakdown with CGST & SGST split.

Invoice Details
GST Type
Breakdown
Base amountโ‚น0.00
Subtotalโ‚น0.00
CGST (9%)+โ‚น0.00
SGST (9%)+โ‚น0.00
Total Payableโ‚น0.00
How it works
  • GST Exclusive: GST is added on top of your base amount
  • GST Inclusive: GST is already included in the amount you enter
  • CGST and SGST are each half of the total GST rate
  • Discount is applied before GST is calculated
GST Slabs
  • 0% โ€” Essential items โ€” food, healthcare
  • 5% โ€” Basic goods โ€” packaged food, transport
  • 12% โ€” Standard goods โ€” processed food, textiles
  • 18% โ€” Services, electronics, most B2B
  • 28% โ€” Luxury โ€” cars, tobacco, aerated drinks

Understanding GST & Invoicing

What is GST?

GST (Goods and Services Tax) is a unified indirect tax in India that replaced multiple taxes. It's a consumption-based tax collected at each stage of production.

  • Implemented on July 1, 2017
  • Applies to most goods and services
  • Split into CGST (Central) and SGST (State)

GST Slabs Explained

Different products and services fall under different GST slabs based on their nature and necessity.

  • 0% โ€” Essential items like food, medicines
  • 5% โ€” Basic goods and transport
  • 12% & 18% โ€” Most services and goods
  • 28% โ€” Luxury items and sin goods

Exclusive vs Inclusive GST

Understanding the difference helps you price correctly and avoid confusion with clients.

  • Exclusive: GST added on top of base price
  • Inclusive: GST already included in quoted price
  • Always clarify with clients which method you're using

Invoice Best Practices

A well-formatted invoice ensures timely payments and maintains professional relationships.

  • Include invoice number and date
  • Clearly itemize services/products
  • Specify payment terms and due date
  • Include your GSTIN if registered

Frequently Asked Questions

Do I need to register for GST?+

If your annual turnover exceeds โ‚น40 lakhs (โ‚น20 lakhs for services), GST registration is mandatory. Even below this threshold, you can voluntarily register to claim input tax credit.

What's the difference between CGST and SGST?+

CGST (Central GST) goes to the central government, while SGST (State GST) goes to the state government. For intra-state transactions, both are collected. For inter-state transactions, IGST (Integrated GST) is collected instead.

Can I claim input tax credit?+

Yes, if you're GST registered, you can claim credit for GST paid on business purchases. This reduces your overall tax liability. Keep all invoices and bills for documentation.

How often should I file GST returns?+

Most businesses file monthly returns by the 20th of the following month. Some eligible businesses can file quarterly returns. Check the GST portal for your specific filing frequency.

What happens if I don't issue an invoice?+

Not issuing invoices is a violation of GST rules and can result in penalties. Always issue invoices for every transaction, even if the client doesn't ask for one.