Math Tools

Measure current ratio to see how well short-term assets cover short-term liabilities.

Calculate debt-to-equity ratio from total debt and total equity.

Measure debt as a share of total assets for quick balance sheet analysis.

Estimate doubling time with the Rule of 72 and compare it with the exact logarithmic estimate.

Estimate how regular deposits may grow over time, including the effect of payment timing.

Measure the smoothed annual growth rate between two values over a multi-year period.

Estimate how much emergency savings you may want based on monthly expenses and the number of months you want to cover.

Estimate a rough home price range from income, debts, down payment, rate, and target housing ratios.

Calculate regular hexagon measurements from a single side length.

Calculate sector area and arc length for a slice of a circle.