U.S. Tax & Income Calculators
(2026 IRS Reference Based)
Browser-based U.S. tax and income estimators built using publicly available federal guidelines. Free to use. No account required.
Guidelines referenced: 2026 Federal Publications | Last Reviewed: March 2026๐ฅ Most Used U.S. Tax Tools Today
Ultimate Info Guide provides privacy-first U.S. federal and state tax estimators designed for independent contractors, employees, gig workers, and business owners. Whether you need to project your quarterly tax liability with our self-employment tax estimator or estimate your paycheck across all 50 states using our federal income tax projection tool, our suite is built referencing publicly available guidance from the Internal Revenue Service (IRS) and federal tax publications to assist with high-level tax planning.
Federal Tax Estimation Tools
Our tax calculators reference IRS publications, federal tax brackets, and Social Security wage limits to provide simplified annual projections.
Federal Tax Calc
2026 Income tax estimator.
IRS Brackets1099 Tax Estimator
Contractor & gig worker taxes.
IRS ReferencedFreelance Tax Calc
Self-employment estimator.
Federal + StateQuarterly Tax Calc
Estimate 1040-ES payments.
Social Security Limit
FICA wage base calculations.
Standard vs Itemized
Compare tax return options.
Child Tax Credit
Check family eligibility.
Payroll & Employment Calculators
Estimate hourly conversions, overtime rates, and final net income using our take home pay calculator based on current withholding guidelines.
Take Home Pay Calc
After-tax net income analysis.
All 50 StatesHourly to Salary
Annualize your hourly wage.
Part to Full-Time
Wage conversion estimator.
Overtime Pay
Time-and-a-half wage estimator.
Double Time Calc
Premium holiday pay.
Prorated Salary
Calculate mid-month start pay.
Business & Self-Employed Tools
Margin calculators, platform fee estimators, and deduction tools for independent creators and sellers.
DoorDash Tax
Mileage & expense deductions.
Amazon FBA Profit
Margin analysis & fees.
Etsy Fee Calc
Seller costs and net profit.
Stripe Fee Calc
Payment processing margins.
PayPal Fees
Domestic & international rates.
Real Estate & Debt Planning
Amortization schedules and rate estimators for property and personal debt planning.
Estate Tax Tool
Federal wealth exemptions.
Mortgage Payoff
Project impact of extra payments.
HELOC Calculator
Home equity line of credit est.
Cap Rate Calc
Commercial real estate ROI.
Credit Card Payoff
Debt-free timeline & interest.
Loan Early Payoff
Interest savings calculation.
PSLF Student Loan
Public service forgiveness info.
Car Refinance
Compare auto loan rates.
Auto Loan Deduction
Business vehicle write-offs.
Car Tax Deduction
Sales tax & interest write-offs.
Policy & Proposed Legislation Estimators
Note: The following calculators estimate potential outcomes based on proposed federal policy discussions that are not currently enacted into law.
No Tax Overtime
Proposed tax cut estimator.
Pending ProposalNo Tax on Tips
Service industry proposal.
Pending Proposal10% Credit Card Cap
Interest savings estimator.
Pending ProposalCalculations run entirely in your browser. We do not store or transmit the financial values you enter into calculators. Our formulas reference publicly available guidance from the institutions below. Tax bracket thresholds and wage limits are reviewed quarterly and updated annually based on IRS releases.
The calculators and content on Ultimate Info Guide are for estimation and educational purposes only. They do not constitute certified professional financial, tax, or legal advice. Ultimate Info Guide is an independent platform and is not affiliated with the IRS, SSA, Federal Reserve, or any U.S. government agency. While we strive to keep information updated using current tax brackets and IRS guidelines, individual tax situations vary greatly. Always consult a Certified Public Accountant (CPA) or licensed financial advisor before filing taxes, applying for loans, or making significant financial decisions.