Income Tax Calculator

A simple estimate of US federal income tax (educational only).

Income Tax Calculator helps you a simple estimate of US federal income tax (educational only). Enter your taxable income, review the breakdown, and use the guidance below to understand what the number means — and what it does not. What the Income tax calculator does Income Tax Calculator is built for money decisions — loans, savings, payments, and taxes. A simple estimate of US federal income tax (educational only). You enter your taxable income, then Simple Calculators computes the result instantly. Rates, fees, and tax rules vary by lender and country, so treat results as planning numbers, not a contract. How the math works Enter Your taxable income, meaning income after deductions such as the standard deduction. The calculator splits it into the 2024 IRS tax brackets for a single filer (10%, 12%, 22%, 24%, 32%, 35% and 37%), taxes each slice at its own rate, and adds the slices up. It does not include tax credits, state tax, Social Security or Medicare tax, the alternative minimum tax, or other filing statuses. The formula: Tax = (income in each bracket × that bracket’s rate), added up. Uses 2024 US federal brackets for a single filer, applied to taxable income (after deductions…