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Both calculators run independently — change the inputs on either side to compare results.

Margin of Safety Calculator

Calculate the discount between a stock's intrinsic value and its market price using Benjamin Graham's valuation formula. A core principle of value investing.

Earnings per Share (EPS) ($)

Expected Annual Growth Rate (%)

Current Market Price ($)

Accounting

Net Present Value (NPV) Calculator

Calculate the Net Present Value of a project's future cash flows to decide whether an investment creates or destroys value. Use it when evaluating capital projects, acquisitions, or any long-term spending decision.

Initial Investment ($)

Annual Cash Flow ($)

Project Life (years)

Discount Rate (%)

Cash Flow Timing

Key differences

	Margin of Safety Calculator	Net Present Value (NPV) Calculator
Category	Investing	Accounting
Inputs required	3	5
Result	Margin of Safety (%)	Net Present Value ($)
What it does	Calculate the discount between a stock's intrinsic value and its market price using Benjamin Graham's valuation formula. A core principle of value investing.	Calculate the Net Present Value of a project's future cash flows to decide whether an investment creates or destroys value. Use it when evaluating capital projects, acquisitions, or any long-term spending decision.