---
title: "GST & Business Calculators Online for Free - BUSY"
description: "Use BUSY’s free tools to calculate GST, income tax, EMI, profit margin, ITC & more. Fast, accurate & made for Indian businesses and MSMEs."
canonical: "https://busy.in/calculators/"
---

# Business Calculators & GST Tools

Simplify your business operations with BUSY's free GST and business calculators. From tax estimation to ITC calculations and invoice templates, our tools help MSMEs make informed financial decisions quickly and accurately. Access easy-to-use calculators and stay compliant with the latest tax norms.

 Free Tools

 Accurate Results

 Instant Calculation

![BUSY GST and Business Calculators](https://busy-client.busy.in/media/calculators.avif)

Free Tools

9 Calculators

## Explore BUSY Free Calculators

Choose from our collection of free calculators and tools designed to help you manage GST, taxes, inventory, and business finances efficiently.

### [GST Calculator](https://busy.in/calculators/gst-calculator/)

Instantly calculate GST payable and breakup by entering taxable value and rate.

### [Income Tax Calculator](https://busy.in/calculators/income-tax-calculator/)

Estimate your income tax liability under old and new regimes.

### [Vendor GSTIN Validation Tool](https://busy.in/calculators/gst-validation-tool/)

Quickly verify your vendor's GST number (GSTIN) to ensure accurate and compliant GST filing.

### [ITC Calculator](https://busy.in/calculators/itc-calculator/)

Calculate eligible Input Tax Credit under CGST, SGST, and IGST easily.

### [Profit Margin Calculator](https://busy.in/calculators/profit-margin-calculator/)

Instantly calculate your profit percentage based on cost and selling price.

### [EMI Calculator](https://busy.in/calculators/business-emi-calculator/)

Calculate monthly EMIs for loans using principal, interest rate, and tenure.

### [Inventory Turnover Calculator](https://busy.in/calculators/inventory-turnover-calculator/)

Measure how efficiently your business sells inventory over a financial year.

### [Annual Return Calculator](https://busy.in/calculators/roi-calculator/)

Estimate annual tax returns based on income and investment declarations.

### [E Way Bill Template](https://busy.in/download-e-way-bill-template/)

Get ready-to-use e-way bill templates for accurate goods transport documentation.

## Why Use BUSY Calculators?

Our free calculators are designed specifically for Indian businesses and MSMEs to simplify complex GST and financial calculations.

### Save Time

Our calculators provide instant results, eliminating manual calculations and reducing errors in your financial computations.

### Stay Compliant

All calculators follow the latest GST norms and tax regulations, ensuring your calculations are accurate and compliant.

### Completely Free

All our calculators and tools are available at no cost. No subscriptions, no hidden fees - just reliable tools for your business.

### Regularly Updated

Our tools are updated to reflect the latest tax rates, GST rules, and regulatory changes affecting Indian businesses.