Finance & Business
Calculators for everyday money questions: loan and mortgage payments, interest and savings growth, taxes, margins, discounts and business ratios. Each tool shows the formula it uses and a worked example, so you can check the figure before you rely on it. Results are estimates for planning, not financial advice.
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- Compound Interest Calculator Calculate the final amount and interest earned with compounding.
- Break-Even Point Calculator Calculate the break-even point — the number of units and the revenue you need to cover your fixed and variable costs before turning a profit.
- Markup & Margin Calculator Calculate selling price, profit and profit margin from unit cost and markup percentage.
- Loan Calculator Monthly payment, total interest and full amortization schedule.
- Take-Home Pay After Tax Calculator Calculate your net take-home pay after a flat income tax rate and any pre-tax and post-tax deductions like retirement contributions or insurance.
- Compound Interest with Monthly Deposits Calculator Combines compound interest on a starting balance with monthly contributions over a number of years to estimate the final balance, total deposited, and interest earned.
- Sales Tax Calculator Calculate the sales tax and gross total from a net amount and tax rate.
- Interest Coverage Ratio Calculator Calculate the interest coverage ratio (EBIT / interest).
- APY (Effective Annual Yield) Calculator Calculate the effective annual yield (APY) from a nominal annual rate and the number of compounding periods per year.
- Credit Card Payoff Calculator Calculate how many months to pay off a credit card balance and the total interest.
- CAGR (Compound Annual Growth Rate) Calculator Calculate the compound annual growth rate (CAGR) of an investment from its starting value, ending value and number of years.
- ROI (Return on Investment) Calculator Calculate the return on investment (ROI) and net profit from the initial cost and final value.
- Current Ratio Calculator Calculate the current ratio and working capital from current assets and current liabilities.
- Price-to-Earnings (P/E) Calculator Calculate the P/E ratio and earnings yield from share price and EPS.
- Pay Raise Calculator Computes your new salary and the increase amount after a percentage or fixed raise.
- Loan Affordability Calculator Estimate the maximum monthly payment and total loan amount you can afford from your monthly income, debt-to-income ratio, interest rate, and loan term.
- Down Payment Calculator Calculate the down payment and remaining loan amount from price and down-payment percent.
- Startup Runway Calculator Calculate how many months of runway a startup has from cash, monthly burn and revenue.
- Financial Leverage Ratio Calculator Calculate the financial leverage ratio: total assets ÷ total equity, plus the implied total debt. Higher leverage amplifies both returns and risk.
- Dividend Payout Ratio Calculator Calculate the dividend payout and retention ratio.
- Target Margin Price Calculator Calculates the selling price needed to achieve a target gross margin from a given unit cost.
- Sales Commission Calculator Calculate the commission and net amount from a sale amount and commission rate.
- DuPont ROE Calculator Break return on equity into net margin, asset turnover and the equity multiplier (DuPont analysis).
- Future Value Calculator Calculate the future value of your savings from an initial amount, monthly contribution, annual return and time.
- Turkish VAT (KDV) Calculator Add or extract Turkish VAT (KDV) at 1%, 10% or 20%.
- ROAS Calculator Calculate return on ad spend (ROAS) from revenue and ad spend.
- Return on Equity (ROE) Calculator Calculate return on equity from net income and equity.
- Cost of Equity (CAPM) Calculator Estimate the cost of equity with the Capital Asset Pricing Model: Re = Rf + β·(Rm − Rf).
- Stock Average Price Calculator Calculates your average (blended) purchase price across up to three stock buys, plus total shares and total cost.
- Retention Ratio Calculator Calculate the retention (plowback) ratio and payout ratio from net income and dividends.
- CPM Calculator Calculate the CPM (cost per mille) of an ad campaign from total cost and impressions.
- eCPM Calculator Calculate effective cost per mille (revenue per 1000 impressions).
- Net Profit Margin Calculator Calculate net profit margin from net income and revenue.
- PEG Ratio Calculator Calculate the PEG ratio by dividing the price/earnings ratio by the earnings growth rate.
- Rule of 72 Calculator Use the Rule of 72 to estimate how many years it takes to double (and triple) your money at a given rate of return.
- Earnings Per Share (EPS) Calculator Calculate earnings per share from net income and shares.
- EV/EBITDA Calculator Calculate the EV/EBITDA multiple from enterprise value and EBITDA.
- Zakat Calculator Calculate the zakat due on your wealth (2.5%).
- Discount Calculator Calculate final price, savings, and discount amount.
- GST Calculator Add or remove goods & services tax from an amount.
- Operating Margin Calculator Calculate operating margin from operating income and revenue.
- Salary Converter (Hourly to Annual) Convert a wage between hourly, daily, weekly, monthly and annual amounts.
- Savings Goal Calculator Work out how much to set aside each month to reach your savings goal, factoring in the interest your balance earns along the way.
- Debt-to-Income Ratio Calculator Calculate your debt-to-income (DTI) ratio from monthly debt and income.
- Profit Calculator Calculate profit, margin and markup from cost and selling price.
- Rent Split Calculator Split rent and utilities evenly among housemates.
- Stock Profit Calculator Calculate profit and return from buying and selling shares.
- Unit Price Calculator Compare two products by their price per unit to find the better deal.
- Credit Utilization Calculator Calculate your credit utilization ratio and see how it rates.
- Gordon Growth Model Calculator Calculate a stock's fair value with the Gordon growth (dividend discount) model: D₁/(r − g).
- Gross Profit Calculator Calculate gross profit and gross margin.
- Smoking Cost Calculator Calculate the daily, monthly, yearly and 10-year cost of smoking from cigarettes per day, pack price and pack size.
- Doubling Time Calculator Calculate the time needed for an investment or quantity to double and triple at a given compound rate per period, plus the quick Rule of 72 estimate.
- Reverse Sales Tax Calculator Extract the net amount and tax from a tax-inclusive price.
- Rule of 70 Calculator Estimate how long it takes a quantity to double using the rule of 70.
- Turkish Income Tax Calculator Calculate Turkish progressive income tax with 2026 brackets.
- Working Capital Calculator Calculate working capital and the current ratio.
- Present Value Calculator Calculate the present value of a future sum at a discount rate.
- Annualized ROI Calculator Calculate the annualized return on investment from total return and the holding period.
- Jensen's Alpha Calculator Calculate Jensen's alpha — the return earned above the CAPM-expected return.