Free Tools
Valuation calculators for value investors
Free, no sign-up. Each calculator runs the same valuation math the VI Stack research engine uses inside the app. Type in your numbers and the result updates as you go.
Intrinsic Value Models
4 toolsEstimate what a business is worth, then test the price against it.
DCF Calculator
Two-stage discounted cash flow. Enter free cash flow per share and your assumptions, get an intrinsic value.
Open calculator →Reverse DCF Calculator
Start from the price, solve for the growth the market expects. The expectations test most investors skip.
Open calculator →Owner Earnings Calculator
Earnings power and owner earnings. A simple cross-check on what the business earns for its owners.
Open calculator →Earnings Power Value (EPV)
Value a business on sustainable earnings with no growth assumed. The floor a DCF should clear.
Open calculator →Quality & Returns
4 toolsRead how much a business earns on its capital and what its price yields.
ROIC Calculator
Return on invested capital, the quantitative test for a moat. Compare it to the cost of capital.
Open calculator →FCF Yield Calculator
Free cash flow yield and price-to-FCF, compared to the risk-free rate. The cash-based read on price.
Open calculator →Earnings Yield Calculator
Earnings yield and the equity risk premium over the risk-free rate. Compare a stock to a bond.
Open calculator →PEG Ratio Calculator
P/E divided by growth. A quick read on whether a multiple is reasonable for the growth.
Open calculator →Price & Margin of Safety
2 toolsTurn a value estimate into a buy price, and find asset-based bargains.
Building Blocks
3 toolsThe growth, discount-rate, and compounding math the models are built on.
CAGR Calculator
Compound annual growth rate between two values, or project a value forward. The honest way to read growth.
Open calculator →WACC Calculator
Weighted average cost of capital, the discount rate behind every valuation. Feed it straight into a DCF.
Open calculator →Rule of 72 Calculator
How long money takes to double at a given rate. The mental-math shortcut for compounding.
Open calculator →These tools are for education and research. They are not investment advice and they do not recommend buying or selling any security.