Tax Brackets 2025 Vs 2025 Calculator. The tax brackets are divided into income ranges, and each range is taxed at a different percentage. An income tax calculator is an online tool that helps you figure out how much tax you owe based on your income.

Cii noted the stark gap between the highest marginal tax rate for individuals, at 42.74%, and the standard corporate tax rate, at 25.17%. Key income tax relief options in 2025 1.