Free Financial Calculators
45 free tools for mortgages, debt payoff, investing, retirement, and budgeting. Instant answers — no sign-ups, no paywalls.
Mortgage & Real Estate
18 calculatorsFrom your first mortgage payment to refinance break-evens and rent vs. buy decisions — every number you need.
Mortgage Calculator
Calculate your monthly mortgage payment including principal, interest, taxes, and insurance. See a full amortization breakdown.
Home Affordability Calculator
Find out how much house you can realistically afford based on your income, debt, down payment, and local taxes.
Refinance Calculator
See how much a refinance would save per month and whether the new rate is worth the closing costs.
Mortgage Points Calculator
Calculate the break-even on buying down your rate with discount points. Find out if paying points upfront makes sense.
Amortization Schedule
See every payment, principal, interest, and remaining balance across the full life of your loan month by month.
Extra Mortgage Payment Calculator
See how much time and interest you save by making extra payments toward your principal each month or year.
Extra Payment Savings Calculator
Model different extra payment scenarios to find the payoff strategy that fits your budget and goals.
Home Equity Projection
Project how your home equity grows over time through principal paydown and estimated appreciation.
HOA Affordability Impact Calculator
See how monthly HOA fees affect how much home you can afford and your total cost of ownership.
Property Tax Impact Calculator
Understand how property taxes affect your monthly payment and total home affordability in your target area.
Homeownership Tax Benefits Calculator
Estimate the annual tax savings from mortgage interest deductions, property taxes, and other homeowner tax breaks.
PMI Removal Planner
Find out exactly when you'll reach 20% equity and can request PMI removal — and how much you'll save.
Recast vs. Refinance Calculator
Compare the costs and savings of recasting your mortgage versus a full refinance to lower your monthly payment.
Refinance Break-Even Calculator
Calculate exactly how many months it takes for refinance savings to offset your closing costs.
Refinance Rate Sensitivity Calculator
Model how different interest rates change your payment and total savings — so you know when it's worth pulling the trigger.
Refinance vs. New Loan Calculator
Compare keeping your current mortgage vs. refinancing into a new loan with different terms and rates.
Sell vs. Refinance vs. Stay Calculator
Run a side-by-side comparison of selling your home, refinancing, or staying put — with full cost and equity projections.
Rent vs. Buy Calculator
Compare the true long-term cost of renting versus buying, including opportunity cost, appreciation, and tax benefits.
Debt & Loans
12 calculatorsPayoff timelines, balance transfer math, loan comparisons, and the true cost of debt.
Debt Payoff Calculator
Enter your debts and see exactly when you'll be debt-free — with avalanche vs. snowball comparison.
Debt Payoff Optimizer
Find the optimal payoff order for multiple debts to minimize total interest paid and time to debt freedom.
Debt vs. Cash Cushion Calculator
Decide whether to put extra cash toward debt payoff or keep it as an emergency reserve — with a break-even analysis.
Loan Comparison Tool
Compare two or more loan offers side by side — monthly payments, total interest, and true cost over the loan life.
Loan Consolidation Calculator
See whether consolidating multiple loans into one saves money or extends your payoff timeline.
Personal Loan Calculator
Calculate monthly payments, total interest, and APR for any personal loan amount, rate, and term.
Auto Loan Calculator
Calculate your car payment, total loan cost, and how different down payments or rates change the numbers.
Balance Transfer Calculator
See how much you save moving high-interest credit card debt to a 0% intro APR card — after transfer fees.
Credit Card Payoff Calculator
Find out how long it takes to pay off your credit card balance and how much interest you'll pay at different payment levels.
Credit Utilization Planner
Calculate your current utilization ratio and see exactly how much to pay down to hit your target credit score range.
Debt-to-Income Calculator
Calculate your DTI ratio and see how lenders will view your application — with thresholds for different loan types.
APR Calculator
Convert an interest rate to APR including fees, or compare loans with different rate and fee structures.
Investing & Retirement
9 calculatorsCompound growth, fee drag, Roth vs. pre-tax decisions, and 401(k) optimization tools.
Compound Interest Calculator
See how your money grows over time with compound interest — with monthly contributions and different compounding frequencies.
Investment Return Calculator
Project the future value of your investments at different return rates, time horizons, and contribution schedules.
Inflation-Adjusted Return Calculator
Calculate your real return after inflation to see what your investment growth is actually worth in today's dollars.
Fee Drag Calculator
See exactly how much fund expense ratios and advisor fees silently cost you over 10, 20, or 30 years of investing.
Lump Sum vs. DCA Calculator
Compare investing a lump sum all at once vs. dollar-cost averaging into the market over time — with historical data context.
Pre-Tax vs. Roth Calculator
Decide whether traditional (pre-tax) or Roth contributions leave you with more money in retirement based on your tax situation.
Asset Location Calculator
Optimize which investments belong in your taxable vs. tax-advantaged accounts to minimize your lifetime tax drag.
401(k) Match Optimizer
Find the contribution amount that captures your full employer match and maximizes your effective return on every dollar.
401(k) Paycheck Impact Calculator
See how increasing your 401(k) contribution affects your take-home pay after taxes — often far less than you'd expect.
Savings & Budgeting
6 calculatorsEmergency funds, savings goals, budget math, and the true cost of a raise or side income.
Savings Goal Calculator
Figure out exactly how much to save each month to hit any financial goal by your target date.
Emergency Fund Calculator
Calculate your ideal emergency fund target based on your monthly expenses, job stability, and risk tolerance.
Emergency Fund vs. Debt Payoff Calculator
Decide how to split extra cash between building an emergency fund and paying down high-interest debt.
Budget to Goal Calculator
Work backward from a savings goal to find exactly where to cut spending and how to allocate your monthly budget.
Raise Calculator
See how a salary raise translates to your actual take-home pay after federal taxes, Social Security, and Medicare.
Side Income Tax Calculator
Estimate self-employment tax, quarterly payments, and net income for freelance or side hustle earnings.
Want the full picture?
Pair these calculators with our 68 free financial guides — plain-English advice on mortgages, investing, debt, taxes, and more.
Browse All Guides →