Taxpayers can estimate federal tax refunds by using a free online tax refund calculator, such as TurboTax's TaxCaster or H&R Block's Tax Estimator. To calculate an accurate estimate, tax calculators require the taxpayer'... More » Business & Finance Taxes

Individuals enter information about filing status and taxable income into a tax return calculator to determine how much federal income tax they owe, according to TaxAct. After entering the information, the tax calculator... More » Business & Finance Taxes Income Tax

Social Security tax is withheld automatically from wages paid to employees, and it is calculated based on responses to Form W-4 questions. Self-employed individuals must calculate and pay this tax separately on Form 1040... More » Business & Finance Taxes

A free tax return calculator and estimator can be found on the H&R Block website. Taxpayers need to know their filing status, income, age and number of dependents before using the estimator. More » Business & Finance Taxes

To estimate your federal tax refund, use free tax calculators on websites such as H&R Block, TurboTax and Liberty Tax Service. The TurboTax TaxCaster calculator requires certain personal information, such as tax filing s... More » Business & Finance Taxes

TurboTax and H&R Block are two resources for estimating a tax return. Both resources require users to provide personal, income and expense information in order to calculate the users' tax return or money owed, notes thei... More » Business & Finance Taxes

A taxpayer can use a tax or W-4 calculator to estimate his tax refund or liability, according to H&R Block. A tax calculator typically uses the taxpayer's filing status, number of dependents, income and expenses to deter... More » Business & Finance Taxes