US Financial Calculators & Tax Tools (2026 IRS Based)
Our suite of free us financial calculators helps individuals and businesses project their taxes, paychecks, and loan payoffs using publicly available federal guidelines.
Guidelines referenced: 2026 Federal Publications | Last Reviewed: March 2026🔥 Trending US Financial Calculators Today
Master Directory of US Financial Calculators
Ultimate Info Guide provides privacy-first financial estimation tools designed for independent contractors, employees, and business owners. Whether you need to project your quarterly tax liability, estimate your paycheck across all 50 states, or analyze an amortization schedule, our suite is built referencing publicly available guidance from federal institutions.
Federal & State Tax Calculators
Reference IRS publications and federal tax brackets to project your annual returns and 1099 liabilities.
Federal Tax Calc
2026 Income tax estimator.
IRS Brackets1099 Tax Estimator
Contractor & gig worker taxes.
IRS ReferencedFreelance Tax Calc
Self-employment estimator.
Federal + StateSalary & Paycheck Calculators
Estimate hourly conversions, overtime rates, and final net income based on current 2026 withholding guidelines.
Take Home Pay Calc
After-tax net income analysis.
All 50 StatesHourly to Salary
Annualize your hourly wage.
Overtime Pay
Time-and-a-half wage estimator.
Loan & Mortgage Calculators
Amortization schedules and rate estimators for property, business assets, and personal debt planning.
Mortgage Payoff
Project impact of extra payments.
Credit Card Payoff
Debt-free timeline & interest.
Estate Tax Tool
Federal wealth exemptions.
Business & Creator Calculators
Margin calculators, platform fee estimators, and operational tools for independent creators and e-commerce sellers.
Amazon FBA Profit
Margin analysis & fees.
Etsy Fee Calc
Seller costs and net profit.
DoorDash Tax
Mileage & expense deductions.
Calculations 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.
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.