Finance & Money Calculators
From mortgage payments to retirement projections, these calculators help you make confident financial decisions. Every tool shows the formula, breaks down the math, and gives you the real numbers (not vague estimates). Whether you're buying a home, paying off debt, or planning for retirement, start with the math.
- ✓Loan and mortgage calculators with full amortization
- ✓Investment and retirement projections with compound growth
- ✓Tax estimators for federal income, capital gains, and self-employment
- ✓Budgeting tools for debt payoff, savings goals, and net worth
Most used: Mortgage Calculator, Compound Interest Calculator, 401(k) Calculator
Try any of the 52 finance & money calculators below — or get one free for your AI.
Every calculator on this page is free to use right now. You can also download any one as a Claude skill file (free with email) to chat with it in Claude Code, ChatGPT, or any AI platform. Or get the full Finance Pro Pack for $29.
Common workflows in this category
Click any scenario to jump into the calculator with the example pre-loaded.
Buying Your First Home
Run the mortgage math on a $300K starter home with 10% down to see what your real PITI payment looks like.
Run the exampleMaxing Out Your 401(k)
See what 35 years of consistent contributions and employer match build up to in retirement.
Run the examplePaying Off a Car Loan
Compare loan length options on a typical $35K vehicle purchase.
Run the example52 free calculators
401(k) Calculator
401(k) calculator estimates your retirement balance at 65, including employer match and compound growth. See how contributions and investment returns add up.
Amortization Calculator
Amortization calculator breaks down monthly payments: principal vs. interest. Build amortization schedules for mortgages, loans, and see total interest paid.
APR Calculator
APR calculator shows the real cost of borrowing: interest rate plus all fees. Compare loan offers and understand what you're actually paying annually.
ARM Calculator
Calculate ARM payments when rates adjust. See your new payment after the fixed period ends and compare to fixed-rate mortgages.
Auto Loan Calculator
Calculate your auto loan payment, total interest, and compare financing vs. leasing options instantly. Get clarity on car affordability.
Balance Transfer Calculator
Calculate actual savings from a balance transfer. See how much interest you'll pay with 0% APR vs. keeping your current balance. Free tool inside.
Break Even Calculator
Calculate how many units you need to sell to cover costs and start profiting. Essential business planning tool.
Buy vs Rent Calculator
Compare the total cost of buying vs. renting a home. See your break-even timeline and which option saves you money in your market.
Capital Gains Tax Calculator
Calculate capital gains tax on investment sales. See short-term vs. long-term rates and your exact tax liability instantly.
CD Calculator
Calculate how much your CD will earn at maturity. Compare rates, terms, and see compound interest growth on your certificate of deposit.
Closing Cost Calculator
Calculate your closing costs when buying a home. See exactly what you'll pay in fees, taxes, and escrow-broken down line by line.
Compound Interest Calculator
Compound interest calculator shows how savings grow with time and compounding. See the power of investing early for 10, 20, or 30 years.
Cost of Living Calculator
Compare cost of living between cities. See what salary you need to maintain your lifestyle when relocating to a new area.
Credit Card Payoff Calculator
Calculate how long it takes to pay off credit card debt and see how extra payments save you thousands in interest.
Currency Converter
Convert currencies instantly with live exchange rates. Check real-world rates before traveling or making international payments.
Debt Snowball Calculator
Use the debt snowball method to eliminate debts strategically. See which payoff order saves the most interest and money.
Debt-to-Income Ratio Calculator
Calculate your debt-to-income ratio instantly. See if you qualify for a mortgage, auto loan, or personal loan.
Discount Calculator
Calculate discounts and final prices instantly. See your total savings, final price after percentage off, and compare before/after costs.
Down Payment Calculator
Calculate how much you need for a down payment and how long to save it. See different down payment percentages and monthly savings goals.
Emergency Fund Calculator
Calculate your ideal emergency fund size based on income, expenses, and job stability. Free emergency fund calculator for peace of mind.
FHA Loan Calculator
FHA loan calculator estimates payments with mortgage insurance included. See total cost with PMI and understand FHA eligibility and affordability.
FIRE Calculator
Calculate your financial independence date and early retirement timeline with our FIRE calculator. See exactly when you can stop working.
Home Affordability Calculator
Calculate the maximum home price you can afford based on your income, debts, and down payment. Get your real home buying budget.
Hourly to Salary Calculator
Convert hourly wage to annual salary instantly. See your gross and net pay at different hours worked. Compare hourly vs. salaried compensation.
Income Tax Calculator
Calculate your federal income tax accurately. See your tax brackets, effective rate, and exact amount owed before tax season arrives.
Inflation Calculator
See what your money was worth in the past or how much you'd need today. Inflation calculator using historical CPI data.
Investment Return Calculator
Investment return calculator accounts for fees and inflation. Calculate actual returns, not just headline numbers. See your real purchasing power growth.
Lease Calculator
Calculate your monthly car lease payment and total lease cost. Compare leasing vs. buying to find the smarter option for you.
Loan Payoff Calculator
Calculate loan payoff timelines with extra payments. See how additional principal payments accelerate debt freedom and save interest.
Lottery Tax Calculator
See how much of your lottery winnings you actually keep after federal and state taxes. Compare lump sum vs. annuity payments.
Margin vs Markup Calculator
Margin vs markup explained and calculated instantly. See how profit divides differently when measured on cost versus price.
Markup Calculator
Calculate product markup instantly. Find the selling price you need to hit your profit margins, or reverse-engineer markup from price and cost.
Millionaire Calculator
Calculate exactly when you'll become a millionaire based on your savings rate and investment returns. See your path to a seven-figure net worth.
Mortgage Calculator
Free mortgage calculator with taxes, insurance & PMI. See your real monthly payment and find out how much house you can afford on your income.
Mortgage Payoff Calculator
Calculate mortgage payoff with extra payments. See how much faster you'll pay off your home and how much interest you'll save.
Net Worth Calculator
Calculate your net worth in minutes. Add assets, subtract liabilities, and see your true financial health at a glance.
Paycheck Calculator
Calculate your actual paycheck amount after federal, state, and FICA taxes. Know your net pay before taxes arrive.
Personal Loan Calculator
Calculate personal loan payments, total interest, and compare loan options instantly. See the true cost before you borrow.
PMI Calculator
Calculate your monthly PMI costs and see exactly when you can drop it. Find out how much private mortgage insurance adds to your payment.
Profit Margin Calculator
Calculate gross and net profit margins instantly. Understand your true profitability on products and services.
Purchasing Power Calculator
See how inflation affects purchasing power. Calculate how much money you need now to match past buying power.
Refinance Calculator
Calculate refinance savings instantly. See your new payment, total savings, break-even point, and interest saved compared to your current mortgage.
Retirement Calculator
Discover your retirement number with our free calculator. Factor in expenses, returns, and Social Security to see if you're on track for retirement.
ROI Calculator
Calculate ROI easily to measure investment performance. See net profit, percentage returns, annualized returns, and compare investments side by side.
Roth IRA Calculator
Use our Roth IRA calculator to compare Roth vs. Traditional IRA growth, estimate your tax-free withdrawal power, and optimize your retirement savings strategy today.
Salary Calculator
Calculate your hourly rate from annual salary and see your actual take-home pay after taxes. Get your true wage breakdown instantly.
Sales Tax Calculator
Instantly calculate sales tax on any purchase. See the final total price and exact tax amount in seconds.
Savings Goal Calculator
Calculate exactly how much you need to save each month to reach any financial goal by your target date. Free savings calculator for any objective.
Self-Employment Tax Calculator
Calculate self-employment tax instantly. See your Social Security and Medicare obligations as a freelancer or contractor-no guessing.
SIP Calculator
Use our SIP calculator to project your investment growth over time. See exact returns from regular monthly contributions with accurate compounding.
Student Loan Calculator
Compare student loan repayment plans, calculate payoff timelines, and see total interest costs. Find the best repayment strategy.
Tip Calculator
Calculate tips and split the bill fairly in seconds. Handle group dining and complex payment scenarios with ease.