Calculator
CAGR calculator
(end / start) ^ (1 / years) − 1. Then say whether that rate is fast enough to care.
10.0%
Compound annual growth rate
- Implied multiple
- 1.61×
- Formula
- (161 / 100)^(1 / 5) − 1
How to say it
Default example: 100 → 161 over 5 years is 10.0% CAGR, a 1.61× multiple. In a case, attach a comparison: category grew 3%, so this brand took share. Then the recommendation, not the decimal.
Need volume and price instead? Use the market size calculator or the math drill.
FAQ
What does CAGR actually mean in a case?
The constant yearly rate that takes you from start to end over n years. Interviewers want the rate and the so-what: is that faster than the market, and does it change the recommendation?
Why not just use average annual growth?
A simple average ignores compounding. 100 → 161 over 5 years is 12.2% CAGR, not (61% / 5).
Can I use this on a live case?
Yes for practice. In the interview, estimate first (rule of 72, doubling) and only punch the calculator if the number would flip the decision.
Related tools
Breakeven calculator
Contribution first, then units, then revenue at that volume.
Market size calculator
Population × penetration × frequency × price. TAM, SAM, and SOM as editable filters.
Resume grader
One lifetime review on free. Unlimited on Pro.
Case structure builder
Five MBB templates. Edit branches you can actually say out loud.