Transparent Growth Measurement (NPS)

Compounded Monthly Growth Rate: Understanding and Calculating Compounded Monthly Growth Rates

Contributors: Manjusha Karkera
Published: January 5, 2023


Here’s an in-depth understanding of how to calculate and utilize CMGR for assessing the month-over-month growth of investments or business performance. It outlines the formula for calculating CMGR, emphasizes its advantages in smoothing out volatility and providing a clearer view of growth trends, and discusses its significance for investors and businesses aiming for sustainable growth. The content also addresses common questions related to CMGR, offering practical insights into its application in financial analysis and decision-making.

Share On:

Growth rates, those vital indicators that pulse through the veins of finance and business analysis, serve as the heartbeat of a company’s financial health. At the heart of these metrics is the Compound Monthly Growth Rate (CMGR), a precise measure that evaluates growth over monthly intervals. Whether dissecting the growth trajectories of investments, sales, or revenue, understanding CMGR unveils the subtleties of financial progress that other metrics might miss. This blog will navigate the intricacies of CMGR, from its definition and calculation to its practical applications in various industries.

1: Understanding the Basics of Growth Rates

To set the stage, let’s consider the simple growth rate—a straightforward comparison of change over time, typically used for its simplicity. However, its utility wanes in scenarios where growth is not linear but exponential. Here, the simple growth rate’s limitations become apparent, failing to account for the compounding effects that characterize real-world growth.

This brings us to compound growth, a concept that embraces the exponential increase by accumulating past growth into future calculations. Compounded growth rates, of which CMGR is a prime example, offer a more accurate reflection of ongoing growth, capturing the essence of reinvestment and accumulated growth over time.

2: What is Compound Monthly Growth Rate?

CMGR is not merely a statistic but a beacon of insight, calculated with the formula that reflects growth compounded monthly. In mathematical terms, compounded monthly growth rate formula is:

\[ CMGR = \left(\frac{Ending\ Value}{Beginning\ Value}\right)^{\frac{1}{Number\ of\ Months}} – 1 \]

This measure is pivotal for scrutinizing monthly performance, proving invaluable across diverse sectors such as finance, marketing, and retail. When juxtaposed with the annual compounded growth rate, CMGR shines by providing a granular view of growth. Monthly analysis allows businesses to react swiftly to trends, adjust strategies promptly, and better understand short-term dynamics that annual rates might obscure.

3: Calculating Compounded Monthly Growth Rate

Let’s demystify how to calculate compound monthly growth rate with a clear breakdown of its components. Assume a business wants to measure its growth over a year, month by month. If the value at the start of the year was $100,000 and at the end it reached $130,000, the calculation over these 12 months would look like this:

  1. Starting Value (SV): $100,000
  2. Ending Value (EV): $130,000
  3. Number of Months (N): 12

Plugging these values into compounded monthly growth rate formula gives:

\[ CMGR = \left(\frac{130,000}{100,000}\right)^{\frac{1}{12}} – 1 \approx 0.0221 \text{ or } 2.21\% \]

This 2.21% is the compounded monthly growth rate, indicating that, on average, the company grew by about 2.21% each month, compounded. This example underscores how CMGR can capture the essence of monthly performance enhancements or identify troubling trends before they escalate.

By dissecting how to calculate compound monthly growth rate (CMGR), we’ve seen how this metric not only illustrates past growth trajectories but also aids in forecasting future financial scenarios. As businesses strive to navigate the complexities of markets and growth opportunities, CMGR stands as a critical tool in their analytical arsenal, providing the depth and nuance necessary for refined strategy formulation.

4: Practical Examples of CMGR Applications

Tracking Monthly Sales Growth: 

In the fast-paced realm of retail and e-commerce, businesses leverage CMGR to track their monthly sales growth. This enables them to pinpoint specific periods of effective marketing strategies or seasonal impacts. For instance, an e-commerce store might observe a CMGR of 5% during the holiday season, reflecting the success of targeted promotions and increased consumer spending. Such granular insights allow businesses to tailor their strategies to optimize growth effectively.

Evaluating Investment Performance: 

Investors often use CMGR to gauge the performance of their portfolios over time, particularly when dealing with varied investment timelines. Consider an investor tracking the growth of a mutual fund; by applying CMGR, they can isolate the periods of highest growth, correlating these with market events or changes in fund management strategies. This metric helps in making informed decisions about reallocating resources or adjusting investment strategies.

Hypothetical Scenario: 

Imagine a startup that has been operational for 18 months. Using CMGR, the founders can evaluate growth trends and understand which quarters drove the most business growth. This analysis might reveal that a significant technology upgrade implemented in the sixth month continued to pay dividends, showing a higher CMGR in the subsequent months. Such insights, which might be obscured by simpler metrics, can guide future business decisions and strategy adjustments.

5: Advantages and Limitations of CMGR


  • Detailed Growth Tracking: CMGR allows for an in-depth look at growth over set intervals, providing a clear picture of trends and patterns that helps in strategic planning and forecasting.
  • Enhanced Periodical Analysis: By focusing on monthly intervals, businesses can more accurately measure the impact of specific actions or events on their growth trajectory, allowing for timely adjustments in tactics or strategy.


  • Sensitivity to Extreme Values: CMGR can be disproportionately affected by unusually high or low values, which can skew the perceived growth rate and lead to misleading conclusions.
  • Shorter Periods and Volatility: Over shorter periods, CMGR may reflect temporary fluctuations rather than long-term trends, making it less reliable for making strategic decisions based on short-term data.

6: Tools and Software for CMGR Calculation

Various tools and software solutions can streamline the calculation of CMGR, enhancing accuracy and efficiency. 

  • Spreadsheets: Platforms like Microsoft Excel or Google Sheets are commonly used for their formula functions, which can be set up to calculate CMGR automatically.
  • Financial Calculators: These are handy for quick calculations, especially when evaluating investment growth on-the-fly.
  • Business Intelligence Software: Tools like Tableau or Power BI can integrate data from various sources and compute CMGR as part of a broader suite of analytics tools. These platforms offer the added advantage of visualizing growth trends and patterns, making the data more accessible and actionable.
  • Or simply use upGrowth’s CMGR Calculator


Throughout this blog, we’ve explored the nuances of Compounded Monthly Growth Rate (CMGR) from its definition and calculation to its practical applications in business and investment contexts. We’ve seen how CMGR serves as a powerful tool for detailed growth analysis, enabling businesses and investors to make well-informed decisions based on comprehensive and period-specific data. 

Understanding and utilizing CMGR can significantly enhance your financial and business analyses. I encourage you to apply this calculation in your own contexts, whether you’re assessing company performance, investment returns, or other financial metrics. Explore the potential of CMGR to uncover deeper insights and drive smarter strategies in your professional endeavors.


1. What is Compounded Monthly Growth Rate (CMGR)?

CMGR is a measure that calculates the compounded growth rate of an investment, business revenue, or any other metric over monthly intervals. It represents the average monthly growth rate that an initial value would need to achieve to reach an ending value over a certain period.

2. How do you calculate CMGR?

The formula to calculate CMGR is:

\[ CMGR = \left(\frac{Ending\ Value}{Beginning\ Value}\right)^{\frac{1}{Number\ of\ Months}} – 1 \]

This formula gives the monthly compounded rate that explains the growth from the initial to the final value over the specified period.

3. Why is CMGR useful in business analysis?

CMGR provides a detailed view of growth on a month-to-month basis, allowing businesses to identify specific periods of strong performance and understand the impact of specific actions or market events on their growth trajectory.

4. Can CMGR be misleading?

Yes, CMGR can be sensitive to extreme values and volatility, especially over shorter periods. If a dataset includes unusually high or low values, it can skew the growth rate, potentially leading to incorrect interpretations.

5. How is CMGR different from annual growth rates?

Unlike annual growth rates that provide an average growth over a year, CMGR focuses on monthly performance. This allows for a more granular analysis and can help pinpoint the timing of growth spurts or declines more precisely.

6. What tools can I use to calculate CMGR?

Common tools include spreadsheets like Microsoft Excel or Google Sheets, financial calculators, and business intelligence software such as Tableau or Power BI. These tools can automate the calculation and provide visual representations of growth trends.

7. Are there any sectors where CMGR is particularly useful?

CMGR is particularly useful in dynamic sectors like technology, e-commerce, and investments where monthly performance can vary significantly due to rapid changes in market conditions or business strategies. It helps stakeholders keep a pulse on monthly shifts, adjusting strategies as needed in real-time.

8. What are the benefits of using the Compounded Monthly Growth Rate (CMGR) in conjunction with Google Sheets for startup companies?

The Compounded Monthly Growth Rate (CMGR) is a pivotal measurement in data science that provides a deep dive into the growth trajectory of a startup company. Utilizing Google Sheets, a versatile spreadsheet application, businesses can streamline the process of calculating CMGR, enhancing their analytics and forecasting capabilities. This calculation helps assess the momentum of growth, aligning it with operational efficiency and risk management strategies. By incorporating CMGR into a dashboard (business), companies can monitor performance in real-time, adapting their strategies to maintain or accelerate growth. This ontogeny of business analytics, facilitated by software as a service platforms like Google, empowers businesses with the tools for precise risk assessment and efficiency improvements. As such, the calculator functions embedded within these platforms are invaluable for firms seeking to harness the power of real-time strategy and robust forecasting in their operational frameworks.

Know powerful sustainable practices for Compounded Monthly Growth Rate.

Schedule A Consultation Call

Other Startup KPI Metrics

Understanding and Maximizing Monthly Recurring Revenue

The ARR Advantage for Startups: Understanding and Calculating Annual Recurring Revenue

Using ACV to Measure the Success of Your Sales and Marketing Efforts

Total Contract Value – A Key Metric for Evaluating Business Performance

Why Customer Lifetime Value Is the Most Crucial Metric for Your Business

The Importance of Accurately Calculating Deferred Revenue

Maximizing User Retention: How to Calculate Daily Active Users

Calculating Your Company’s Total Addressable Market (TAM): A Step-by-Step Guide

Measuring Monthly Recurring Revenue: Expert Tips and Advice

Maximizing the Efficiency of Your Billing Process in Accounting

About the Author


Manjusha Karkera is an enthusiastic content marketer who has created numerous engaging and compelling writing pieces for various clients and companies over the years. She enjoys writing pithy content and copy on various sectors like fashion, beauty and wellness, sports, fitness, education, etc. Prior to Team upGrowth, she worked as a Marketing Communications Specialist. Her overall experience includes all forms of content writing and copywriting.

Download The Free Digital Marketing Resources upGrowth Rocket
We plant one 🌲 for every new subscriber.
Want to learn how Growth Hacking can boost up your business?
Contact Us

Leave a Reply

Your email address will not be published. Required fields are marked *

Contact Us