Calculator collections
Browse calculators by high-intent use case.
Financial Core Calculators
High-intent calculators for compounding, mortgages, DCA, ROI, and return planning.
General Utility Calculators
Percentage, tax, date, unit, and everyday utility calculators for fast decisions.
Advanced Finance Calculators
Advanced calculators for NPV, IRR, XIRR, YTM, duration, liquidation, and position sizing.
Financial Core Calculators
View allCompound Interest
Calculate compound interest growth with recurring contributions. See year-by-year balance breakdowns, total gains, and the power of compounding over time. Free online calculator.
CAGR
Calculate Compound Annual Growth Rate (CAGR) from start and end values. Convert between annualized returns and final investment amounts. Free CAGR calculator.
Mortgage Payment
Monthly payment and amortization overview.
Loan Compare
Compare annuity and equal principal repayment.
DCA
Dollar-cost averaging (DCA) calculator — simulate periodic investments with expected annual returns. See long-term growth projections and total contributions. Free DCA calculator.
ROI + Annualized
Calculate total ROI and annualized return on investment. Compare scenarios, measure performance, and make data-driven investment decisions. Free ROI calculator.
Break-even
Break-even quantity and revenue.
Inflation-adjusted Return
Nominal return vs purchasing-power return.
Fee Drag
Impact of ongoing fees on final value.
After-tax Return
Flat tax model for after-tax projection.
FX Converter
Manual rate-based currency conversion.
Savings Goal
Required periodic contribution to hit target value.
General Utility Calculators
View allStandard Calculator
Safe arithmetic expression calculator.
Percentage Change
Change percentage or derive value from percentage.
Discount / Markup
Apply discount or markup to base price.
VAT / GST
Add or remove indirect tax from amount.
Date Interval
Count days and weeks between two dates.
Business Day Count
Count weekdays between two dates.
Unit Converter
Length / Weight / Temperature conversion.
Tip & Split
Calculate tip, total bill, and per-person share.
Advanced Finance Calculators
View allNPV
Calculate Net Present Value (NPV) of future cash flows using your discount rate. Evaluate project viability and compare investment alternatives. Free NPV calculator.
IRR
Calculate Internal Rate of Return (IRR) for periodic cash flows — evaluate project profitability and compare investment opportunities. Free online IRR calculator.
XIRR
Calculate Extended Internal Rate of Return (XIRR) for investments with irregular cash flows and dates. Free online XIRR calculator with step-by-step results.
Payback Period
Time to recover initial outlay from cashflows.
Bond YTM
Calculate yield to maturity (YTM) for fixed-rate bonds. Analyze bond prices, coupon payments, and expected returns to maturity. Free YTM bond calculator.
Duration & Convexity
Bond sensitivity metrics under yield assumptions.
Margin Liquidation
Estimate liquidation price under leverage.
Position Sizing + Kelly
Risk-based position size and Kelly fraction.