Useful websites & online calculators
Start with a
trusted source.
Direct links to government tax, payment, retirement, identity-protection, accounting, and financial-planning tools. For plain-language context, visit our tax and accounting guides.
IRS Online Account
View balances, payments, selected tax records, notices, and account information.
IRS Tax Tools
Official tools for accounts, transcripts, filing, payments, withholding, and tax-law questions.
IRS Tax Withholding Estimator
Estimate federal income-tax withholding and prepare for a possible Form W-4 update.
Get an IRS Transcript
Request tax-return, tax-account, wage and income, or verification-of-nonfiling records.
Where’s My Refund?
Check the status of a federal income-tax refund using the official IRS tool.
Interactive Tax Assistant
Answer common federal tax questions through an anonymous IRS interview tool.
Social Security Retirement Planner
Review benefit estimates, claiming considerations, and official retirement-planning tools.
Investor.gov Financial Tools
Use official savings-goal, compound-interest, required-minimum-distribution, and other financial calculators.
IRS Business Tax Center
Federal tax information, accounts, forms, filing, and payment resources for businesses.
IRS Recordkeeping Guide
Official small-business guidance on records, supporting documents, and retention.
Identity Protection PIN
Request an IRS IP PIN to help prevent someone else from filing a tax return using your identity.
Florida Department of Revenue
Florida business tax registration, filings, payments, and current guidance.
EFTPS
The U.S. Treasury’s official Electronic Federal Tax Payment System.
QuickBooks Support
Official product support and learning resources from Intuit.