Free Online Sales Tax Calculator – Fast & Easy Tool

Want to calculate the total cost after tax? Our Sales Tax Calculator helps you quickly determine the final price after adding or removing tax (GST, VAT, etc.). Whether you're shopping online or doing business, this tool saves time and avoids errors.

📘 What is a Sales Tax Calculator?

A Sales Tax Calculator allows you to find the total price including or excluding tax. Simply enter the amount and tax rate to get the final price instantly. No complex formulas needed!

💡 How to Use the Tool?

1. Enter the original amount.
2. Enter the tax rate (e.g. 5%, 18%).
3. Choose whether you want to add or remove tax.
4. Click Calculate – done!

🎯 Who Should Use It?

• 🛍️ Online shoppers verifying final price
• 🧾 Shopkeepers & Retailers calculating tax
• 🧮 Students learning finance & tax concepts
• 🏦 Freelancers or entrepreneurs billing clients

🔍 Key Features

• ✅ Instant calculation
• ✅ Mobile-optimized layout
• ✅ No signup or downloads
• ✅ Works worldwide with any tax rate

❓ Frequently Asked Questions

Q. What is the formula for sales tax?

Sales Tax = (Original Amount × Tax Rate) ÷ 100

Q. Can I remove tax from price?

Yes! Use the tool in reverse mode to remove included tax.

Q. Does this tool work for GST?

Yes, it works for any type of tax including GST, VAT, SST, etc.