Corporate Finance & Investment Lab

CAGR & Compound Growth Rate Calculator

Model Compound Annual Growth Rate (CAGR), multi-year geometric expansion, inflation-adjusted real yields, doubling periods, and milestone projections.

Compound Annual Growth (CAGR)
19.58%
Strong High Growth

1. Valuation & Horizon Parameters

$
Beginning revenue, asset valuation, or capital portfolio balance.
$
Terminal valuation, exit price, or ending portfolio balance.
years
Elapsed time duration between beginning and ending dates.

2. Economic & Target Benchmarks

%
Annual CPI rate to derive inflation-adjusted Real CAGR.
%
Hurdle CAGR to benchmark target terminal enterprise value.

Live Growth & Trajectory Scorecard

Nominal CAGR
19.58%
Annualized geometric rate
Real CAGR (Net of CPI)
16.10%
Purchasing power growth
Absolute Value Gain
$7,250,000
Total dollar expansion
Total Percentage Gain
+145.0%
Cumulative return
Doubling Horizon (Rule of 72)
3.7 Years
Time to 2x valuation
Target Milestone Value
$15,258,789
Value at target hurdle rate

Annual Geometric Trajectory Schedule

Period Projected Asset Value ($) Annual Value Addition ($) Cumulative Gain (%)
Core Geometric Compounding Formulas:
• \(\text{CAGR} = \left(\frac{\text{Ending Value}}{\text{Starting Value}}\right)^{\frac{1}{\text{Years}}} - 1\)  |  \(\text{Real CAGR} = \frac{1 + \text{Nominal CAGR}}{1 + \text{Inflation Rate}} - 1\)
• \(\text{Doubling Years} \approx \frac{72}{\text{CAGR \%}}\)  |  \(\text{Target Valuation} = \text{Starting Value} \times (1 + \text{Target CAGR})^{\text{Years}}\)

CAGR Sensitivity Matrix: Ending Value vs. Years Horizon (%)

Impact of varied terminal valuations and multi-year time horizons on geometric annualized growth rate.

Annualized Geometric Rate

Terminal Wealth Matrix: CAGR vs. Holding Period ($)

Projected portfolio or revenue valuation based on initial starting capital under various compounding velocities.

Compounding Horizon

Professional Executive Guide to CAGR & Compounding

CAGR vs. Simple Arithmetic Mean Returns

Arithmetic average returns consistently overstate financial reality due to the mathematical asymmetric drag of negative compounding. If an enterprise loses 30% in year one, it requires a 42.9% gain in year two just to reach break-even. CAGR smooths erratic historical gyrations to reflect the true constant geometric growth rate that was actually realized between points A and B.

The Fisher Effect: Real vs. Nominal CAGR

High nominal CAGR figures can disguise severe purchasing power deterioration during inflationary cycles. By evaluating Real CAGR via the Fisher relationship \(((1 + \text{Nominal}) / (1 + \text{Inflation}) - 1)\), corporate treasurers and investors isolate true economic surplus created over and above general price escalation.

1. Rule of 72 Doubling Dynamics

Dividing 72 by your CAGR produces a highly accurate estimate of your capital doubling cycle. A business scaling revenue at a 24% CAGR doubles in size every 3.0 years, dictating hiring, inventory, and CapEx capacity expansion timelines.

2. Exit Horizon Sensitivity

Private equity and venture sponsors evaluate CAGR across multiple holding horizons (3, 5, and 7 years) to determine whether delaying an exit creates accretive internal rates of return or introduces capital overhang drag.

3. Sequencing & Volatility Risks

CAGR assumes smooth, linear geometric acceleration. In practice, sharp drawdowns early in an investment cycle severely impair the compounding baseline, reinforcing the imperative of downside risk mitigation.

Frequently Asked Questions

CAGR is the annualized mean growth rate of an investment or business metric over a specified period of time longer than one year, assuming geometric compounding without interim volatility distortions: CAGR = (Ending Value ÷ Starting Value)^(1 ÷ Years) - 1.

Simple arithmetic average return overstates performance when returns fluctuate wildly. For example, losing 50% in year one and gaining 50% in year two has an arithmetic average of 0%, but the investor lost 25% of total capital. CAGR calculates the exact geometric rate that bridges the beginning and ending wealth.

Real CAGR accounts for eroding purchasing power using the Fisher equation: Real CAGR = ((1 + Nominal CAGR) ÷ (1 + Inflation Rate)) - 1. A 12% nominal CAGR in an economy with 3% annual inflation yields a true real growth rate of approximately 8.74%.

The Rule of 72 provides a rapid mathematical approximation for how many years it takes an asset or revenue stream to double at a constant compound growth rate: Doubling Years ≈ 72 ÷ (CAGR in percent). At an 18% CAGR, a company's business revenue doubles every 4 years.

CAGR assumes a perfectly smooth, constant geometric growth trajectory between two points in time. It masks interim drawdown volatility, sequencing risk, cyclical troughs, and potential near-term insolvency risks that occurred between the starting and ending dates.

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