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Whether you need a free mortgage calculator with amortization schedule, a loan payment calculator for your car or personal loan, a compound interest calculator to grow your investments, a 2026 income tax estimator, or a monthly budget planner — FinWiseLab has every tool you need, completely free, with no login required.
Monthly payment for any loan — car, personal, or business.
LoansFull amortization schedule with taxes, insurance & PMI.
LoansCar payment with trade-in, down payment & sales tax.
LoansStandard & income-driven repayment options compared.
LoansSide-by-side: find which loan option costs you less.
LoansHow extra payments shorten your loan and save interest.
LoansCombine multiple debts and compare total costs.
LoansPayments on home equity loans and lines of credit.
LoansMonthly payments with large lump sum at end of term.
LoansFixed vs. variable rate personal loan comparison.
LoansMinimum vs. fixed payments — see the real cost of debt.
CreditTotal interest paid on an unpaid credit card balance.
CreditVisual comparison of both popular payoff strategies.
CreditCalculate your DTI — the key metric lenders use.
CreditTotal assets minus liabilities — know your true wealth.
CreditWatch investments grow with adjustable compounding.
InvestingProject portfolio growth with regular monthly contributions.
InvestingHow much to save monthly to hit your goal by deadline.
InvestingYour ideal emergency fund size and how fast to build it.
InvestingProject your retirement account growth with employer match.
InvestingAre you on track? See projected nest egg and shortfall.
InvestingQuick estimate of how many years to double your money.
InvestingModel regular investing through market ups and downs.
InvestingROI with dividends, capital gains tax and true CAGR.
InvestingVisual asset allocation planner for a balanced portfolio.
Investing10-year comparison — is buying actually cheaper for you?
Real EstateMax home price based on your income, debts, and DTI ratio.
Real EstateMonthly savings plan to reach your down payment goal.
Real EstateEstimate the 2–5% closing costs on your home purchase.
Real EstateExactly when your mortgage refinance starts saving money.
Real EstateEstimate your annual property tax from assessed value.
Real EstateCap rate, cash-on-cash return and 10-year equity projection.
Real EstateEstimate profit on a fix-and-flip including all costs.
Real Estate2026 federal income tax by bracket with full breakdown.
TaxEstimate your state income tax for 20 major US states.
TaxSE tax + income tax for freelancers and 1099 workers.
TaxShort-term vs. long-term capital gains tax rates 2026.
TaxAdd or reverse-calculate state and local sales tax.
TaxEstimate your refund or amount owed at tax time.
TaxFind the right withholding to avoid tax-time surprises.
TaxTrue cost: employee vs. independent contractor status.
TaxTax impact comparison: Roth vs. Traditional IRA accounts.
TaxHow your charitable donations reduce your tax bill.
TaxFull budget with 50/30/20 rule and pie chart breakdown.
BudgetingDivide income into needs, wants, and savings buckets.
BudgetingExact net paycheck after all federal, state and FICA taxes.
BudgetingCompare the cost of living between two US cities.
BudgetingEstimate and track monthly grocery and household spending.
BudgetingSplit bills and shared expenses fairly among a group.
BudgetingCalculate tip amounts and split restaurant checks easily.
BudgetingCalculate interest on principal without compounding.
InterestUnderstand the difference and convert between them instantly.
InterestConvert nominal rate to effective annual rate (EAR).
InterestPer-diem interest on any loan or savings balance.
InterestProject growth in a high-yield savings account by APY.
InterestEarnings on a Certificate of Deposit at maturity date.
InterestEstimate returns on US Treasury bonds and I-Bonds.
InterestProjected college costs with inflation over 4–18 years.
EducationGrow a college savings plan with tax-advantaged returns.
EducationIs a degree worth the debt? Calculate your education ROI.
EducationEstimated total cost of raising a child to age 18.
EducationEstimate your monthly Social Security benefit by claim age.
EducationCalculate how much life insurance coverage you need.
EducationWhen your degree investment pays for itself in salary.
EducationTry a different term, or
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Search or browse 50+ tools covering every financial topic — loans, taxes, investing, and more.
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See a detailed breakdown, interactive chart, and plain-English formula explanation.
Beginner-friendly tutorials explaining the concepts behind every calculator.
Principal, interest, amortization, PMI — everything you need to understand before buying a home. Includes a first-time buyer checklist.
Why starting to invest in your 20s beats investing twice as much in your 40s. The math will change the way you think about time.
You don't pay your top rate on all your income. Here's how the US progressive tax system works — plus 7 legal ways to pay less.
Avalanche vs. snowball, minimum payment traps, and why even $50 extra per month changes everything. With real numbers.
A simple framework that takes 10 minutes to set up and works better than any complicated spreadsheet budget.
The 4% rule, nest egg targets by age, Roth vs. Traditional IRA, and exactly where you stand right now.
Feedback from people making real financial decisions with FinWiseLab.
"The mortgage calculator showed me a full amortization table with a beautiful chart. I could see exactly how much of each payment goes to interest vs. principal. No other free tool does this."
"I used the compound interest calculator to convince my 22-year-old to start investing. Seeing the chart grow to $500K over 30 years was more persuasive than any lecture."
"The tax estimator explains each bracket clearly. The breakdown made me realize I should adjust my W-4. Saved me from a surprise tax bill this April. Highly recommend."
Data-driven rankings of the best financial products, apps, and strategies — updated for 2026.
Chase Sapphire Preferred vs. Amex Gold vs. Capital One Venture — ranked by real-world value, sign-up bonuses, and annual fee math. Which one actually wins?
Read the full review →Earn 4.5–5% APY. We ranked the top HYSAs by rate, safety, and access.
📈 InvestingVTI vs. VXUS vs. FXAIX — which funds build the best long-term portfolio?
🏺 RetirementThe best brokerages to open a Roth IRA — zero fees, fractional shares, and auto-invest.
💳 DebtAvalanche vs. snowball vs. balance transfer — the math behind each strategy.
📊 BudgetingYNAB vs. Mint vs. Copilot — which app actually helps you save more money?
🧾 TaxEvery deduction LLC owners can legally claim to minimize their 2026 tax bill.
💰 Income12 proven passive income streams ranked by effort, startup cost, and real earnings.
🏠 MortgageLow down payment options, FHA loans, and the lenders with the best rates in 2026.
Everything you need to know about FinWiseLab calculators.
Yes — every calculator on FinWiseLab is 100% free with no subscription, no login, and no hidden fees. We don't even require an email address.
The mortgage calculator uses the standard amortization formula and includes principal, interest, property tax, and home insurance. Results are estimates — contact a licensed lender for a formal loan quote.
The federal income tax estimator uses 2026 IRS tax brackets and the 2026 standard deduction ($14,600 single / $29,200 married). It is not a substitute for professional tax advice.
Compound interest is A = P(1 + r/n)^(nt). Use the compound interest calculator to see a year-by-year growth chart instantly.
Most lenders follow the 28/36 rule: housing costs ≤ 28% of gross monthly income, total debts ≤ 36%. Use the home affordability calculator for a personalised max home price.
Paying only the minimum on a $5,000 card at 22% APR can take over 20 years. Use the credit card payoff calculator to find the fastest, cheapest path to debt freedom.
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