100% Free — No Signup Needed

Free Business Calculators
for Restaurants & Retail

Practical tools to help you calculate GST, food costs, and profit margins — built for Indian restaurant and retail owners.

🧾
GST Calculator
Instantly add or remove GST from any amount. Supports all rates — 5%, 12%, 18%, 28%. Shows CGST, SGST and IGST split. Ideal for restaurant and retail billing.
Use Calculator →
🍽️
Food Cost Calculator
Calculate the exact cost of any recipe by adding ingredients. Find cost per portion and your food cost percentage to price your menu profitably.
Use Calculator →
📈
Profit Margin Calculator
Enter cost and selling price to instantly see your profit margin and markup percentage. Or set a target margin and get the ideal selling price.
Use Calculator →
🔄
Reverse Tax Calculator
Extract the base price, CGST and SGST from any GST-inclusive total. Supports all GST rates and multi-item bills. Perfect for verifying supplier invoices.
Use Calculator →
🧾
GST Invoice Generator
Create professional GST tax invoices instantly. Add your business details, customer info and items — see a live preview and download as PDF. 100% free, no signup.
Create Invoice →
⚡

Want these calculations done automatically in your billing software?

Touch4Bill handles GST, inventory costs, and profit tracking automatically — so you never have to calculate manually again.

Get a Free Demo →