Free tools
Free GST and invoice calculators
GST with the CGST, SGST and IGST split, GST taken out of a price, TDS on your invoice, due dates and hourly totals. Every result opens as a ready GST invoice, free and without sign-up.
Calculators
- GST calculatorAdd GST to any amount and see the CGST + SGST split for a sale within your state, or IGST for a sale to another state. Free, instant, no sign-up.
- Reverse GST calculatorFind the price before GST and the tax inside a GST-inclusive amount, with the CGST + SGST or IGST split. Free, instant, no sign-up.
- TDS on invoice calculatorSee how much TDS your client will deduct from your invoice and the net amount you receive. TDS on the fee, not the GST. Free, no sign-up.
- Invoice due date calculatorFind the due date of an invoice from its date and payment terms, with the MSME 45-day limit explained. Free, instant, no sign-up.
- Hourly rate invoice calculatorMultiply your hours by your hourly rate and add GST to get your invoice total. For freelancers and consultants. Free, no sign-up.
Frequently asked questions
Are these calculators free?
Yes, all of them, with no sign-up. They run in your browser: nothing you enter is sent to us.
Can I turn a result into a GST invoice?
Yes. Each calculator has a button that opens our free GST invoice generator with the amount, GST rate and TDS filled in. Add your GSTIN and your customer, and download the PDF.