Trading

Trading, investing, and finance tools.

Convert

Currency Converter Convert an amount using current or historical exchange rates.

Finance

Annualized Return Calculator Calculate the compound annualized return between starting and ending values.
Black–Scholes Option Calculator Estimate a European call or put price with the dividend-free Black–Scholes model.
Break-Even Units Calculator Calculate unit sales required to cover fixed costs.
Commission Calculator Calculate commission and total compensation from sales and a percentage rate.
Debt-to-Income Ratio Calculator Calculate monthly debt payments as a percentage of gross monthly income.
Discount Price Calculator Calculate a discount amount and final price from an original price and percentage.
Doubling Time Rule of 72 Calculator Estimate doubling time from an annual percentage return using the Rule of 72.
Expense Ratio Cost Calculator Estimate one year of fund expenses from invested assets and an expense ratio.
Gross Margin Calculator Calculate gross profit and gross margin percentage from revenue and cost of goods sold.
Loan-to-Value Ratio Calculator Calculate a loan balance as a percentage of property value.
Markup and Margin Converter Convert between markup and gross margin percentages.
Price per Unit Calculator Calculate the price for one unit from total price and quantity.
Profit Margin Calculator Calculate profit and profit margin percentage from revenue and total cost.
Return on Investment Calculator Calculate net return and return on investment percentage.
Risk-Parity Portfolio Calculator Estimate long-only equal-risk-contribution weights from a covariance matrix.
Simple Interest Calculator Calculate simple interest and final balance without compounding.

Mortgage Calculator

Take Home Pay Calculator

Tax

Progressive Tax Calculator Calculate marginal tax bands, total tax, and effective and marginal rates from an explicit bracket schedule.

Tools

Compound Interest Calculator Project investment growth or calculate the recurring contribution needed to reach a target.

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