Macroeconomics Calculators & Converters
Turn economic indicators into insight - at a glance.
Annual Income Calculator
Calculate your annual income from hourly, weekly, monthly, or yearly pay.
APR Calculator
Find the true cost of a loan with fees, compare offers, and model credit card payoff time
APY Calculator (Annual Percentage Yield)
Calculate APY from APR and compounding frequency.
CPI & Inflation Rate Calculator
Build the CPI from a basket of goods or two CPI values, with item-level breakdowns and inflation rates
Discount Calculator
Calculate final price, savings, and discount percent for any deal.
Doubling Time Calculator
Find doubling time from growth rate or data (N₀→N) with steps & Rule of 70/72
Fraction Calculator
Calculate fractions step by step with mixed numbers, decimals, LCD/LCM, comparisons, and conversions
GCF & LCM Calculator
Find the GCF and LCM of numbers, simplify fractions, or add fractions using the LCD - with visuals
GDP Calculator (Real vs. Nominal, Growth Rate)
Calculate nominal and real GDP, growth rates, and GDP per capita, with automatic stagflation and deflation alerts
Interest Calculator
Calculate simple, compound, and continuous interest. Solve for amount, rate, time, or contributions
Investment Calculator
Calculate investment growth with compound interest, monthly contributions, goals, inflation, and scenarios
Long Division Calculator
Solve long division problems step-by-step with quotient, remainder, decimals, fractions, and full layout
NPV / IRR Calculator
Calculate NPV and IRR from a cash flow schedule — with MIRR, payback period, and project comparison
Opportunity Cost Calculator
Calculate opportunity cost by comparing options, investment growth, or production trade-offs — with clear visuals
Percentage Calculator
Calculate percentages instantly: increase, decrease, and percent of another number
Percentage Increase Calculator
Compute % increase/decrease with steps and visuals; solve new/original
Price Elasticity of Demand Calculator
Calculate price elasticity using midpoint, % change, and point methods with steps
Ratio Calculator
Simplify ratios, solve proportions, scale ratios, split totals, compare and convert ratios
Return on Equity (ROE) Calculator
Calculate ROE, its DuPont drivers, sustainable growth rate, and value creation versus cost of equity
ROI Calculator
Calculate ROI, annualized return, payback period, project ROI, and compare investments