CAGR Calculator: Calculate Your Investment’s Annual Growth Rate
When you invest money for several years, simply looking at the starting and ending values does not always tell you how fast your investment actually grew. For example, if an investment grows from ₹1,00,000 to ₹2,00,000 over 5 years, the total gain is ₹1,00,000. But what was the average annual growth rate? This is where […]
Sanjay Singh
Published on 22 Sept 2026 • Updated on 22 Sept 2026
When you invest money for several years, simply looking at the starting and ending values does not always tell you how fast your investment actually grew.
For example, if an investment grows from ₹1,00,000 to ₹2,00,000 over 5 years, the total gain is ₹1,00,000. But what was the average annual growth rate?
This is where CAGR (Compound Annual Growth Rate) becomes useful.
A CAGR Calculator helps you calculate the annualized growth rate of an investment between two values over a specific period.
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What Is CAGR?
CAGR stands for Compound Annual Growth Rate.
It represents the annualized rate at which an investment would have grown if it had increased at a constant compounded rate every year.
The important word here is annualized.
CAGR converts the total growth between a beginning value and an ending value into an equivalent yearly growth rate.
For example:
- Initial investment: ₹1,00,000
- Final value: ₹2,00,000
- Investment period: 5 years
The total return is 100%, but the CAGR is much lower than 100% because the investment took five years to reach that value.
CAGR Formula
The standard CAGR formula is:
CAGR = (Ending Value / Beginning Value)^(1 / Number of Years) − 1
Where:
- Beginning Value = Initial investment or starting value
- Ending Value = Final investment value
- Number of Years = Investment period
FV=PV(1+r)n=100000(1+0.1)5=$161,051.00
PV = starting value; FV = future value; r = rate; n = periods
PV
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PV
r
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r
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Periods (n)
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For CAGR, the formula is rearranged to find the annualized growth rate.
CAGR Calculator Example
Suppose you invested:
₹1,00,000
and after 5 years your investment became:
₹1,61,051
Using the CAGR formula:
CAGR = (1,61,051 / 1,00,000)^(1/5) − 1
The result is approximately:
10% CAGR
This means the investment’s beginning and ending values are equivalent to growing at approximately 10% annually on a compounded basis.
It does not mean the investment actually returned exactly 10% every year.
What Does CAGR Tell You?
CAGR gives you a standardized way to express growth over multiple years.
Suppose two investments have these results:
| Investment | Starting Value | Ending Value | Period |
|---|---|---|---|
| Investment A | ₹1 lakh | ₹2 lakh | 5 years |
| Investment B | ₹1 lakh | ₹2 lakh | 8 years |
Both generated the same total increase, but their annualized growth rates are different because the investment periods are different.
This is one reason CAGR is useful when comparing investments or business growth over different time periods.
How to Use a CAGR Calculator
Using a CAGR Calculator requires just three primary inputs.
1. Enter the Initial Value
Enter the amount at the beginning of the investment period.
Example:
₹1,00,000
2. Enter the Final Value
Enter the value at the end of the period.
Example:
₹2,00,000
3. Enter the Investment Period
Enter the number of years.
Example:
5 years
The calculator then calculates the annualized growth rate.
Why Use a CAGR Calculator?
1. Measure Investment Growth
CAGR allows you to understand how quickly an investment grew on an annualized basis.
2. Compare Investments
You can compare investments that were held for different periods by converting their growth into annualized rates.
3. Analyze Business Growth
CAGR is also widely used to describe growth in:
- Revenue
- Sales
- Customers
- Assets
- Market size
- Profits
4. Understand Long-Term Performance
A simple percentage gain does not show how long it took to achieve that gain.
CAGR adds the time dimension.
5. Save Calculation Time
Instead of manually applying the formula, a CAGR Calculator can produce the result quickly.
CAGR vs Total Return
These two terms should not be confused.
Total Return
Total return measures the overall increase or decrease between the starting and ending values.
For example:
₹1,00,000 → ₹1,50,000
Total growth:
50%
CAGR
CAGR annualizes that growth based on the investment period.
If the ₹1,00,000 became ₹1,50,000 over 5 years, the CAGR would be approximately 8.45%.
So:
Total Return = Overall Growth
CAGR = Annualized Growth Rate
CAGR vs Annual Return
CAGR assumes a constant compounded annual growth rate for the purpose of representing the beginning and ending values.
Actual investments generally do not grow at a perfectly constant rate.
For example, an investment might produce:
- Year 1: +18%
- Year 2: −5%
- Year 3: +12%
- Year 4: +7%
- Year 5: +15%
The CAGR summarizes the overall beginning-to-ending growth into one annualized figure.
Therefore, CAGR should not be interpreted as proof that the investment earned that exact percentage every year.
CAGR vs XIRR
CAGR works particularly well when you have a single starting value, a single ending value and a defined time period.
XIRR is more appropriate when there are multiple cash flows occurring on different dates.
| CAGR | XIRR |
|---|---|
| Single beginning and ending value | Multiple cash flows |
| Fixed investment period | Actual transaction dates |
| Annualized growth rate | Annualized return based on cash-flow timing |
| Simple performance comparison | Useful for irregular investments/withdrawals |
For investments involving multiple deposits or withdrawals, CAGR may not adequately represent the investor’s actual return experience.
CAGR Example: Stock Investment
Suppose you purchased shares worth:
₹2,00,000
After 4 years, their value became:
₹3,00,000
The total gain is:
₹1,00,000
or:
50% total growth
But the CAGR is approximately:
10.67%
This provides a more useful annualized representation of the growth over those four years.
CAGR Example: Business Revenue
CAGR is not limited to investments.
Suppose a company’s revenue was:
₹10 crore in 2020
and became:
₹25 crore in 2025
The CAGR can be used to express the company’s annualized revenue growth over the five-year period.
This makes CAGR particularly useful in:
- Business analysis
- Market research
- Financial reports
- Investment analysis
- Strategic planning
What Can Affect CAGR?
The CAGR result depends on three things:
Starting Value
A different beginning value changes the calculation.
Ending Value
The final value directly affects the calculated growth rate.
Time Period
The longer the period, the more important the time component becomes.
For the same beginning and ending values, changing the number of years changes the CAGR.
Limitations of CAGR
CAGR is useful, but it has limitations.
CAGR Hides Volatility
CAGR does not show the ups and downs experienced during the investment period.
An investment could have experienced significant losses and gains but still end with the same CAGR as an investment with smoother returns.
CAGR Does Not Show Cash Flows
If you regularly add or withdraw money, CAGR may not accurately represent your personal investment return.
CAGR Is Not a Forecast
A historical CAGR does not guarantee the same growth rate in the future.
CAGR Does Not Include Everything Automatically
Depending on the data being analyzed, taxes, fees, dividends, additional investments and withdrawals may need separate treatment.
When Should You Use a CAGR Calculator?
A CAGR Calculator can be particularly useful when you want to:
- Calculate historical investment growth
- Compare two investment results
- Analyze business revenue growth
- Measure asset appreciation
- Study market growth
- Understand annualized performance
- Analyze long-term financial data
How CAGR Helps in Investment Analysis
Imagine two investments:
Investment A:
₹1 lakh → ₹1.8 lakh in 5 years
Investment B:
₹1 lakh → ₹1.8 lakh in 8 years
Looking only at the final amount makes both investments appear identical.
CAGR introduces the missing variable:
Time
That makes annualized comparison much more meaningful.
However, when comparing real-world investments, you should also consider risk, volatility, taxes, fees and cash-flow timing rather than relying on CAGR alone.
Frequently Asked Questions
What is a CAGR Calculator?
A CAGR Calculator calculates the compound annual growth rate between a starting value and ending value over a specified period.
What is the CAGR formula?
The standard formula is:
CAGR = (Ending Value / Beginning Value)^(1 / Years) − 1
Is CAGR the same as annual return?
No. CAGR is an annualized growth rate calculated from the beginning and ending values. Actual annual returns can vary significantly from year to year.
Can CAGR be negative?
Yes. If the ending value is lower than the beginning value, the calculated CAGR will be negative.
Can CAGR be more than 100%?
Yes. Depending on the starting value, ending value and period, CAGR can exceed 100%.
Can CAGR be used for SIP investments?
CAGR is generally designed around a beginning value and ending value. For investments involving regular cash flows such as SIPs, XIRR is generally more appropriate for measuring the investor’s annualized return because it accounts for the timing of individual cash flows.
Is CAGR a guaranteed return?
No. CAGR is a calculation based on historical or specified beginning and ending values. It does not guarantee future performance.
Calculate CAGR with Numrexo
Understanding your investment’s growth rate is an important part of financial analysis.
Instead of manually calculating powers, divisions and annualized rates, you can use the Numrexo CAGR Calculator to quickly calculate CAGR from your beginning value, ending value and investment period.
Explore the Numrexo Investment Calculators.
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