PEG = P/E ÷ Expected growth rate (%). It adjusts P/E for the growth rate used. PEG below 1 means P/E is lower than that growth rate—a calculated comparison, not an undervalued verdict.

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PEG Ratio Calculator

Stock Market Calculators

Calculate PEG ratio from P/E and expected earnings growth rate. The calculator below opens with example inputs and a live result—change any field to model your scenario, or use Clear inputs to reset all fields to zero. For deeper understanding of the underlying concepts, explore our Investing Guide.

Calculate PEG Ratio

Formula: P/E Ratio ÷ Expected Growth Rate (%)

P/E Ratio

Expected EPS Growth (%)

PEG Ratio

2.00

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Frequently Asked Questions

What is PEG ratio?: PEG = P/E ÷ Expected growth rate (%). It adjusts P/E for the growth rate used. PEG below 1 means P/E is lower than that growth rate—a calculated comparison, not an undervalued verdict.

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Calculate PEG Ratio

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