Financial Calculators
Our financial calculators cover every major personal finance need โ from planning your mortgage and retirement to understanding compound interest and calculating taxes. Built on verified financial formulas, these tools help you make smarter money decisions with confidence.
โญ Most Popular in Financial Calculators
Paycheck Calculator
Calculate your exact take-home pay after federal tax, state tax, Social Security, and Medicare for all 50 US states.
OpenTake-Home Pay Calculator
Find your exact take-home pay after all federal and state deductions, 401k contributions, and health insurance premiums.
OpenTax Refund Calculator
Estimate your 2026 federal tax refund or amount owed using current IRS tax brackets, standard deductions, and tax credits.
OpenState Income Tax Calculator
Calculate state income tax for all 50 US states plus DC. See your state tax rate, deductions, and net pay for 2026.
OpenNet Worth Calculator
Calculate your total net worth by adding assets and subtracting liabilities. Track your financial health over time.
OpenCapital Gains Tax Calculator
Calculate federal capital gains tax on investments and real estate for 2026. Covers short-term and long-term rates.
OpenAll Financial Calculators (49)
Click any calculator to open it with full functionality, formulas, and educational content.
Paycheck Calculator
Calculate your exact take-home pay after federal tax, state tax, Social Security, and Medicare for all 50 US states.
Take-Home Pay Calculator
Find your exact take-home pay after all federal and state deductions, 401k contributions, and health insurance premiums.
Tax Refund Calculator
Estimate your 2026 federal tax refund or amount owed using current IRS tax brackets, standard deductions, and tax credits.
State Income Tax Calculator
Calculate state income tax for all 50 US states plus DC. See your state tax rate, deductions, and net pay for 2026.
Net Worth Calculator
Calculate your total net worth by adding assets and subtracting liabilities. Track your financial health over time.
CAGR Calculator
Calculate Compound Annual Growth Rate for investments, revenue, or any metric over any time period.
Dividend Calculator
Calculate dividend income, yield, and total returns from stocks. Project annual dividend income and DRIP reinvestment.
Stock Return Calculator
Calculate total stock investment returns including price appreciation, dividends, and annualized CAGR.
Capital Gains Tax Calculator
Calculate federal capital gains tax on investments and real estate for 2026. Covers short-term and long-term rates.
Overtime Pay Calculator
Calculate overtime pay at time-and-a-half or double time per FLSA rules. Works for hourly and salaried employees.
Social Security Calculator
Estimate your monthly Social Security retirement benefit based on earnings history and claiming age.
FIRE Calculator
Calculate your FIRE number and retirement date using the 4% rule. Model Lean FIRE, Regular FIRE, and Fat FIRE.
Roth IRA Calculator
Project your Roth IRA balance at retirement and compare Roth vs Traditional IRA tax savings.
Emergency Fund Calculator
Calculate exactly how much emergency fund you need based on your monthly expenses and financial situation.
Closing Costs Calculator
Estimate home buyer closing costs by US state including origination fees, title insurance, appraisal, and all expenses.
Mortgage Calculator
Calculate monthly mortgage payments, total interest, and amortization schedule.
Loan Calculator
Calculate monthly loan payments, total interest, and payoff schedule for any loan.
Auto Loan Calculator
Calculate car loan payments, total cost, and see if you can afford your dream vehicle.
Compound Interest Calculator
See how compound interest grows your money over time with regular contributions.
Investment Calculator
Project investment returns with regular contributions and different growth rates.
Retirement Calculator
Plan your retirement savings and estimate how much you need to retire comfortably.
Amortization Calculator
Generate a complete loan amortization schedule showing every payment breakdown.
Savings Calculator
Calculate how your savings grow over time with regular deposits and interest.
Income Tax Calculator
Estimate your federal income tax liability based on income, filing status, and deductions.
Salary Calculator
Convert salary between hourly, daily, weekly, monthly, and annual amounts.
401K Calculator
Project your 401(k) balance at retirement with employer match and tax advantages.
Credit Card Calculator
Calculate credit card interest charges and minimum payment impact.
Credit Cards Payoff Calculator
Create a payoff plan to eliminate credit card debt and save on interest.
Debt Payoff Calculator
Create your optimal debt payoff plan using avalanche or snowball strategies.
Student Loan Calculator
Calculate student loan payments and explore repayment options.
Sales Tax Calculator
Calculate sales tax for any purchase and find the total price including tax.
VAT Calculator
Add or remove VAT from prices. Calculate net, VAT, and gross amounts.
Currency Calculator
Convert between world currencies with reference exchange rates.
Interest Calculator
Calculate simple and compound interest on savings, loans, and investments.
Simple Interest Calculator
Calculate simple interest earned or paid using the I = PRT formula.
ROI Calculator
Calculate Return on Investment percentage for any business or investment decision.
APR Calculator
Calculate the true Annual Percentage Rate of a loan including all fees.
Discount Calculator
Calculate sale prices, savings amounts, and discount percentages instantly.
Tip & Bill Split Calculator
Calculate tips and split restaurant bills among multiple people instantly.
Margin Calculator
Calculate profit margin, markup, and revenue for business pricing decisions.
House Affordability Calculator
Find out how much house you can afford based on income and debt.
Rent Calculator
Calculate how much rent you can afford based on your income.
Lease Calculator
Calculate monthly car lease payments with residual value and money factor.
Refinance Calculator
Calculate potential savings from refinancing your mortgage or loan.
Present Value Calculator
Calculate the present value of future cash flows using discount rate.
Future Value Calculator
Calculate the future value of an investment or savings account.
Budget Calculator
Create a personal budget and track income vs expenses across categories.
Payment Calculator
Calculate loan payment amounts or determine how much you can borrow.
Inflation Calculator
Calculate the real purchasing power of money adjusted for inflation over time.
About Our Financial Calculators
Our financial calculators are built for accuracy, speed, and ease of use. Every calculator uses verified mathematical formulas and presents results in a clear, understandable format with detailed explanations of what each result means and how to act on it.
All 49 calculators in this category are completely free with no registration required. Calculations happen entirely in your browser โ your data is never sent to our servers, ensuring complete privacy. Results are instant and can be copied or shared with a single click.
Each calculator page includes the underlying formula with explanation, step-by-step methodology, expert tips, common mistakes to avoid, and a comprehensive FAQ section. We believe that understanding why a calculation works is just as important as getting the number.