The Roth IRA Calculator provides and annual projection of your investment and how the interest growth accumulates during the period of your pension plan. Unlike Traditional IRA Pension plans, with Roth IRA (Individual Retirement Agreement) you pay tax on your contributions as you pay into the fund, but withdraw the funds tax-free in retirement.
You may also like to try our Traditional IRA calculator and / or compare pensions plans using the Retirement Savings Comparison - ROTH and IRA calculator.
Tip: use the Advanced Tax Calculator and enter your IRA payments to see how this affects your taxable income. Depending on your current income and the income you expect to have during retirement, you may pay less tax and access more or your earning with a Traditional IRA Pension. Use the Retirement Savings Comparison - ROTH and IRA calculator to compare how the two pension plans could work to your advantage in retirement.
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Frequently Asked Questions
Does the calculator include employer payroll taxes?
No—these results show employee withholding only; employer FICA and FUTA are separate.
Are employer payroll taxes deducted from employee pay?
No. These are separate costs paid entirely by the employer.
What if I get a mid-year raise?
Update your inputs to reflect new annualized income; withholding adjusts proportionally.
Why does the monthly view differ from my payslips?
We default to 1/12. Day-based payroll (28–31 days) creates small month-to-month differences.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.