Have you ever wondered why calculating your income tax always feels confusing, even though you earn a simple monthly salary? Although the rules may look complex, you can understand income tax clearly with the right guide. Moreover, a smart Income Tax Calculator in Excel can help you calculate your tax within minutes, instead of spending hours on manual calculations. Therefore, this article gives you a simple, clear, and complete guide for the Financial Year 2025-26. Just like using a GPS while travelling, you use a tax calculator to guide your…