Economics Calculators
Last updated: October 2026
Present Value Calculator
Find what a single future amount is worth today: PV = FV Γ· (1 + r)βΏ, given the discount rate per period and the number of periods.
Inflation Impact Calculator
Calculate how much your money's purchasing power will shrink (or has shrunk) over time at a given annual inflation rate, in either direction.
Opportunity Cost Calculator
Quantify what you give up when choosing one option over another.
GDP Growth Rate Calculator
Calculate a country's or region's nominal or real GDP growth rate over any time horizon.
Exchange Rate Impact Calculator
Quantify the financial gain or loss caused by a change in currency exchange rates on a given amount.
Debt-to-GDP Ratio Calculator
Compute a country's or entity's debt-to-GDP ratio to assess fiscal health and borrowing sustainability.
Present Value of Annuity Calculator
Find out what a series of equal future payments is worth in today's dollars.
GDP Per Capita Calculator
Compute Gross Domestic Product per capita by dividing a country's total GDP by its population.
Profit Margin Calculator
Find profit margin, gross profit or markup from revenue (selling price) and cost.
Cost of Living Comparison Calculator
Calculate the salary you'd need in a new city to match your current purchasing power.
Monopoly Profit Maximization Calculator
Determine the profit-maximizing price and output level for a monopolist facing a linear demand curve.
Compound Interest Calculator
Project the future value of an investment given a lump-sum principal, recurring monthly contributions, an annual rate, and a compounding frequency.
ROI Calculator
Calculate return on investment (ROI) as a percentage from the amount invested and the amount returned, plus the annualized return over the holding period.
Loan Payment Calculator
Compute the periodic payment for a fully amortising fixed-rate loan from the principal, annual interest rate, term in years, and payment frequency.
Net Present Value (NPV) Calculator
Calculate net present value (NPV) for an investment with equal yearly cash flows, a discount rate and an optional terminal value, to see whether it beats your required return.