Smart Business Math.
Built for Indian Shopkeepers.
Eliminate manual calculation errors. Accurately figure out GST tax splits, gross profit margins, promotional discounts, and generate scannable barcodes in seconds right from your browser.
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Featured Retail Utilities
Showing 4 free business calculators crafted for Indian storesGST Calculator (5%, 12%, 18%, 28%)
Calculate inclusive or exclusive GST instantly with accurate CGST, SGST, and IGST breakdowns. Includes reverse GST removal mode.
Profit Margin & Markup Calculator
Find exact gross profit, profit margin percentage, and markup on Cost Price (CP) vs Selling Price (SP). Never underprice products.
Discount & Sale Price Calculator
Calculate final payable price, money saved, stacked promo discounts, and Buy-X-Get-Y-Free promotional deals for customers.
Free Product Barcode & Label Maker
Generate 100% scannable Code 128 retail barcodes for unbranded FMCG, clothes, and hardware. Download SVG/PNG or print stickers directly.
Why DukanHisab Provides Free Tools
Our mission is to help 1 Crore+ Indian retail dukandaars go digital with zero friction.
Use every calculator directly in your mobile or computer browser without giving email, phone, or passwords.
Compliant with the latest GST council regulations, CGST/SGST splits, and retail margin standards.
Need these features automatically on every bill? Download the DukanHisab app for 1-click counter POS automation.

All These Tools & Complete Counter Billing in One App
Transform your physical store into a modern digital retail business. Generate GST bills in 0.5s, track customer udhar, print thermal receipts, and sell online.