Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Inflation & Retirement Estimate how much income may be needed at retirement to maintain your standard of living. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability.