Marginal Tax Rates 2024. A marginal tax rate determines the tax paid on an additional dollar of income that takes a taxpayer into a higher tax bracket. For example, if your income falls into the 24% tax bracket, your.

Use the simple tax calculator to work out just the tax you owe on your taxable income for the full income. From 2018, the new bracket rates are 10%, 12%, 22%, 24%, 32%,.