← Back to calculatorsGST · GSTR-3B estimate

Estimate GSTR-3B in under a minute.

Split CGST/SGST/IGST, check usable ITC, and see whether e-invoicing applies to your turnover.

Fast demo flow

Use this page for a quick estimate, then jump to the dashboard for invoice-level context

Good for walkthroughs, rough planning, and explaining GST buckets to users. Figures here are directional estimates based on the values you enter.

Open GST dashboard Open returns workspace

1. Pick a demo

Load a ready-made scenario if you want to show the page fast.

2. Adjust totals

Edit sales, purchases, ITC and interstate mix based on the case.

3. Read the deposit split

Use the right-side summary for CGST, SGST, IGST and threshold watch.

Input summary

Outward + inward supply snapshot

Enter monthly or annual totals. Default values mirror the seeded GST demo files so the page feels usable on first load.

Taxable sales

Outward taxable supplies excluding GST.Taxable purchases

Business purchases that may support ITC.Input tax credit claimed

Total ITC pulled from purchase invoices.Blocked or review-sensitive ITC

Use for personal use, ineligible credits, or invoices that still need review.

GST rate

Use the blended rate for this estimate.Interstate sales share

Higher interstate mix pushes more tax into IGST.

Annual turnover for e-invoicing check

Use expected full-year turnover, not just one filing period.

Quick HSN references

Software development services998314

Business consulting services998311

Cloud / hosting services998316

Laptop / computer hardware847150

GSTR-3B estimate

Output tax vs usable ITC

This summary helps you explain what is likely payable after reducing the claim by blocked ITC.

Output CGST₹1,50,876

Output SGST₹1,50,876

Output IGST₹1,55,448

Eligible ITC₹69,786

Blocked ITC₹11,700

Estimated net GST payable₹3,87,414

Bucket-wise deposit view

Handy when you want to show which part sits in CGST, SGST, and IGST after the ITC set-off effect.

CGST

₹1,15,983

SGST

₹1,15,983

IGST

₹1,55,448

Threshold watch

E-invoicing status

Annual turnover tracked: ₹25.40 L

E-invoicing not mandatory yet

Gap to ₹10 Cr threshold: ₹9.75 Cr

Continue the walkthrough

Need invoice-level context, HSN trends, or sample alert cards? Open the GST dashboard. Need filing operations? Jump into the returns workspace.

Open GST dashboard Open returns workspace

Last updated: March 2026 · Assessment Year: AY 2026-27 (FY 2025-26)

Sources:CBIC — GSTR-3B and GST overview·GST Council updates and taxpayer guidance