Free tools

Finance calculators that show their work

The three calculations interviewers make you do on a napkin — live, free, with every intermediate step itemized so you can learn the mechanics, not just the answer.

WACC CalculatorE/V × Re + D/V × Rd × (1 − T)Weighted average cost of capital with the weights and after-tax cost of debt itemized.Accretion / Dilution CalculatorPro forma EPS vs. standalone EPSQuick-and-dirty M&A math: new shares, financing cost, and pro forma EPS in one pass.Enterprise Value BridgeEquity + debt + pref + minority − cashWalk from equity value to enterprise value, line by line, waterfall-style.

Calculators check your math. The interview checks your mouth.

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