How are taxes calculated?

How Tax Brackets Actually Work

If you've ever wondered how income taxes are calculated, it's not as complicated as it might seem. The system works through what are called tax brackets—layers of income ranges, each taxed at a different rate. As your income increases, different portions of it are taxed at progressively higher rates. But here's the key: moving into a higher bracket doesn't mean your entire income gets taxed at that higher rate.

Let’s say you earn $60,000 a year. The first chunk of that income—say, up to $20,000—might fall into a 10% tax bracket. The next portion, from $20,001 to $50,000, could be taxed at 15%, and anything above that up to $60,000 might fall into the 20% bracket. That means only the income within each layer is taxed at that layer’s rate. You never pay a higher rate on all your earnings just because you made more money.

This progressive tax system is designed so that people with higher incomes contribute a larger share, while still keeping it fair for those earning less. A common misconception is that jumping into a new bracket suddenly spikes your total tax bill across the board—but that’s not true. You only pay the higher rate on the income that actually falls within that new bracket.

Understanding this can help you make smarter financial decisions, especially during tax season. Whether you're planning for a raise, a side hustle, or retirement savings, knowing how brackets work puts you in a better position to manage your money. And while tax laws can shift—like potential adjustments expected in early 2026—this core idea of layered taxation remains a steady part of the system.