Finance Guide

VAT — How to Add and Remove Tax Without Mistakes

By CalcHub Pro  ·  April 25, 2026  ·  5 min read

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Overview

The most common VAT mistake costs businesses money: subtracting the percentage directly from an inclusive price instead of dividing. Here is the correct method.

The Formula

Add: Price × (1 + rate÷100) | Remove: Inclusive Price ÷ (1 + rate÷100)

Standard formula used by professionals worldwide

Worked Example

Step-by-step

Price 1000 + 20% VAT = 1200 | 1200 including 20% → 1200÷1.20 = 1000

Key Concepts

Privacy and Security

Frequently Asked Questions

Why not just subtract percentage?

VAT is on ex-VAT price. 120 − 20% = 96, not 100. Always divide.

VAT vs sales tax?

VAT collected at every stage. Sales tax only at final sale.

Can businesses reclaim VAT?

Yes — VAT-registered businesses reclaim input VAT on purchases.

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