Bulk Invoice GST Calculator
Updated July 2026
Add as many items or invoice lines as you need and calculate GST for all of them in one go, with base value, GST, and grand totals.
Bulk Invoice GST Calculator
DescriptionAmount (₹)GST Rate
CSV columns: description,amount,gst_rate (e.g. Office chairs,15000,18). The file is read entirely in your browser — nothing is uploaded anywhere.
Enter amounts in the rows above to see live running totals…
Frequently Asked Questions
How many rows can I add?
As many as you need — keep adding rows for each item or invoice line, then hit Calculate All to see the grand total base value, GST, and total.
What GST rate should I select for each row?
Select whichever slab applies to that specific item — 0%, 5%, 18%, or 40% — the tool sums everything correctly even with mixed rates across rows.
Does this save my data?
No — everything runs in your browser and resets when you leave the page. For anything you need to keep, note down the totals or take a screenshot.