What is CAGR and why is it useful?

CAGR is the mean annual growth rate assuming the investment grew at a steady rate. It smooths out volatility and helps compare different investments over time.

How is CAGR different from average return?

CAGR accounts for compounding, while simple average return does not. CAGR gives a more accurate picture of long-term growth.

Can CAGR be negative?

Yes, if the ending value is less than the beginning value, CAGR will be negative, indicating a loss over the period.

Is CAGR the same as IRR?

No, IRR (Internal Rate of Return) accounts for cash flows in and out, while CAGR only considers beginning and ending values.

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Compound Annual Growth Rate Calculator

Calculate compound annual growth rate (CAGR) from beginning and ending investment values over any time period with precision percentage analysis. Features multi-year CAGR calculations, investment growth comparisons, and annualized return measurements. Essential for investors, financial analysts, and business owners evaluating investment performance, revenue growth, portfolio returns, and long-term business metrics.

How to Use the Compound Annual Growth Rate Calculator

Use the Compound Annual Growth Rate Calculator to compound annual growth rate (CAGR) from beginning and ending investment values over any time period with precision percentage analysis. Features multi-year CAGR calculations, investment growth comparisons, and annualized return measurements. Essential for investors, financial analysts, and business owners evaluating investment performance, revenue growth, portfolio returns, and long-term business metrics.. Enter your values to get accurate, instant results tailored to your situation.

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CAGR Analysis Guide

Measure true investment growth

Expert Tips

CAGR Smooths Volatility: Stock goes $100 → $150 → $120 → $180 over 3 years. Simple average = 20% annually. CAGR = 21.6% (actual annualized return). CAGR accounts for compounding—more accurate for long-term analysis.
Use for Multi-Year Comparisons: Comparing investments over different periods? Use CAGR. Stock A: +50% in 2 years (CAGR 22.5%). Stock B: +40% in 1 year (CAGR 40%). Simple percentages mislead—CAGR shows true annual rate.
Revenue CAGR Shows Growth Quality: Company growing revenue $1M → $2M in 5 years = 15% CAGR (steady). Another: $1M → $1M → $3M (lumpy) = 24.6% CAGR but riskier. Same endpoint, different quality—CAGR doesn't show consistency.
72 Rule for Doubling Time: Quick estimate: Years to double = 72 ÷ CAGR%. 10% CAGR → 7.2 years to double. 15% CAGR → 4.8 years. 8% CAGR → 9 years. Use for retirement planning and goal setting.

Essential Fundamentals — Understanding CAGR

CAGR Formula

The Formula: CAGR = [(Ending Value ÷ Beginning Value)^(1 ÷ Years)] - 1. Example: $10,000 → $25,000 in 5 years. CAGR = [($25,000 ÷ $10,000)^(1 ÷ 5)] - 1 = [2.5^0.2] - 1 = 1.2011 - 1 = 0.2011 = 20.11% annual growth.
What CAGR Tells You: CAGR shows the constant annual rate needed to reach ending value. It assumes smooth, steady growth (which rarely happens). Useful for comparing different time periods or investments objectively.
When to Use CAGR: Portfolio performance over 3+ years. Revenue/profit growth analysis. Comparing mutual funds or stocks. Real estate appreciation. Population or market growth. NOT for: Short periods (<3 years). Highly volatile investments. Comparing different asset classes.

Advanced Strategies — Applying CAGR insights

CAGR vs Other Metrics

CAGR vs Simple Average: Stock returns: Year 1: +30%, Year 2: -10%, Year 3: +20%. Simple average = (30-10+20) ÷ 3 = 13.3%. Actual: $100 → $130 → $117 → $140.40. CAGR = 12.2%. CAGR is lower because it accounts for compounding and volatility drag.
CAGR vs IRR: CAGR: Simple beginning → ending value. Ignores cash flows. IRR: Accounts for deposits/withdrawals. More accurate for portfolios with contributions. Example: Invest $10K, add $5K year 2, end at $25K. CAGR misleading—use IRR instead.
Future Projections: If CAGR = 15% over past 5 years, project future: Current value × (1.15)^years. $100K today → $100K × 1.15^5 = $201K in 5 years. Warning: Past CAGR doesn't guarantee future returns. Use conservative estimates for planning.

Frequently Asked Questions

What is CAGR and why is it useful?: CAGR is the mean annual growth rate assuming the investment grew at a steady rate. It smooths out volatility and helps compare different investments over time.
How is CAGR different from average return?: CAGR accounts for compounding, while simple average return does not. CAGR gives a more accurate picture of long-term growth.
Can CAGR be negative?: Yes, if the ending value is less than the beginning value, CAGR will be negative, indicating a loss over the period.
Is CAGR the same as IRR?: No, IRR (Internal Rate of Return) accounts for cash flows in and out, while CAGR only considers beginning and ending values.