Compound Interest Calculator
Grow savings with compounding: principal, rate, years, frequency → future value, table + chart.
Free financial calculators with clear formulas
Calculators for compound interest, loans, mortgages, salary, investing and retirement. See formulas and assumptions alongside each estimate.
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Investing
SIP Calculator
Monthly investing projection with annual step-up.
Dividend Calculator
Yield, annual income and DRIP growth.
Stock Return Calculator
CAGR + total return for a stock position.
Rule of 72 Calculator
Years to double money at a given rate.
Loans
Loan Calculator (EMI)
Monthly payment, total interest and amortization schedule for any loan.
EMI Calculator
Equated monthly installment with schedule.
Car Loan Calculator
Payment + total cost with down payment and fees.
Mortgage
Mortgage Payment Calculator
PITI estimate: principal+interest plus tax, insurance and HOA.
Home Affordability Calculator
Price range from income, debts and down payment.
Refinance Calculator
New payment, savings and break-even months.
Interest
Simple Interest Calculator
I = P·r·t with schedule and interpretation.
Future Value Calculator
FV of a lump sum with compounding frequency.
Present Value Calculator
Discount a future amount to today.
APY Calculator
Effective annual yield from nominal rate + compounding.
APR Calculator
Approximate APR from loan amount, payment and term.
Finance
ROI Calculator
Return on investment % and net profit.
CAGR Calculator
Compound annual growth rate between two values.
Inflation Calculator
Eroded purchasing power and real value over time.
Percentage Calculator
X% of Y, % change, and reverse percentages.
Discount Calculator
Sale price, savings and stacked discounts.
Tip Calculator
Tip, total and per-person split.
Margin & Markup Calculator
Convert margin ↔ markup with profit.
Profit Calculator
Gross/net profit from revenue and costs.
Business
Break-even Calculator
Units to cover fixed + variable costs.
Debt
Debt Payoff Calculator
Months to debt-free + interest for extra payments.
Credit Card Interest Calculator
Cost of minimums vs fixed payments.
Salary
Hourly ⇄ Salary Converter
Convert hourly wage to annual salary and back.
Overtime Pay Calculator
1.5×/2× overtime with weekly hours.
Bonus & Commission Calculator
Net bonus/commission after a flat tax.
Retirement
Retirement / 401(k) Projector
Nest egg from contributions, match and returns.
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In-content · after first value section
Why MoneyMetric?
Financial estimates are easier to review when formulas and assumptions are visible. Check the inputs and confirm important decisions with a qualified professional.
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FAQ
Is it free?
Yes — every tool is free with no signup and no credits.
Is my data uploaded?
Selected files are processed in your browser and are not sent to a Tolari processing endpoint. Configured third-party scripts or resources may still load.
Does it work offline?
The app shell and deterministic tools can work after they are cached. Some file engines need an initial connection, and browser storage can be cleared.
Does it work on mobile?
Yes — touch-friendly, one-tap download, adaptive workers for weak devices.
How do you make money?
Ads may appear only after configuration and the required consent signal. No paywall or fake download buttons.
Guides
APR vs APY, explained with numbers · How mortgage amortization really works · Compound interest: the 3 levers that matter · How credit-card minimums trap you · Refinance break-even, computed — practical, original explainers with examples.