
In this context, MM is the same as writing “M multiplied by M,” which is equal to “1,000 times 1,000,” which equals 1,000,000 (one million). Avoid using abbreviations excessively or informally in documents, reports, or academic papers unless it aligns with the accepted conventions and guidelines of the particular context. While abbreviations like “M” and “MM” are commonly used in informal contexts, such as social media or casual conversations, it’s essential to maintain a formal tone and standard in formal writing.
- You can also use the abbreviation “mil” in casual conversation.
- The Notation MM for representing Millions is becoming less common as it creates confusion between the representation of M and MM, whereas the M denotes the Thousand.
- You’ll find that it’s mainly used in the energy sector, but it otherwise doesn’t get recognized.
- Today, MM remains the standard abbreviation for millions throughout the banking and accounting professions.
- Additionally, tech companies often use “M” to denote megabytes, a unit of digital storage capacity.
Why do bankers use M instead of K? TheStory Behind the MM Convention
The word “million” is not a commonly abbreviated word, but its abbreviations still have their place. An abbreviation for million is most often seen in financial documents and paperwork. Swap the word “million” for “mil” or “mm” to avoid redundant language but to still be specific in how large numbers you’re working with. Other numbers, such as “thousand,” have more interesting abbreviations, such as “k.” The three letters “mil” are very clearly defined as mbeaning million, so you shouldn’t run into any issues. Millions are most retained earnings commonly expressed with the leading letter, M.
What are the common abbreviations for “million”?
- Other numbers, such as “thousand,” have more interesting abbreviations, such as “k.” The three letters “mil” are very clearly defined as mbeaning million, so you shouldn’t run into any issues.
- Whether you’re working in corporate finance, investment banking, or financial analysis, using “M” as an abbreviation for “million” will help you communicate efficiently.
- Rather than writing $400,000,000 or $400 million, the accountant can use the MM abbreviation and write $400MM instead.
- Rather than use the barred M, however, accounting went with MM as an abbreviation for a million.
- When it comes to academic and scientific writing, the preference for abbreviating “million” can vary based on the specific style guide or publication.
- Now that we have an understanding of the common abbreviations, let’s explore the specific contexts in which “M” and “MM” are used.
I have worked in equity markets for 20 years and mm meaning poor abbreviations drive me crazy. Regretfully, until the USA goes metric there’s going to continue to be problem with this. I’ve found answers on the web but also got conflicting answers from financial professionals (coworkers).

Examples of MM (Million)
- This kind of abbreviation is particularly useful for more complicated numbers that contain decimals.
- It’s also common to see K used for 1,000 and B for a billion.
- After analyzing its history and modern use, I have a new appreciation for how deeply rooted MM is within finance culture, likely to endure for the foreseeable future.
- While obscure outside banking circles, MM enjoys near universal usage within finance and accounting as the standard abbreviation for “millions”.
- To understand MM, we have to go back to the early days of accounting when Roman numerals were used to record ledgers.
By following these guidelines, you can confidently navigate the world of “M” and “MM” and abbreviate millions like a pro. By effectively utilizing abbreviations like “M” and “MM,” you can convey numerical information quickly, concisely, and accurately. If you’re targeting a global audience or discussing finance in general, using “M” would be appropriate. Here, we’ll explore the various application domains and provide insights to help you navigate the world of abbreviations effortlessly.


But due to virtual accountant confusion between M and MM, now the alternative notations are used for representing thousands and millions. For Representation of Thousand, K is used as an abbreviation, and for representing Million, Single M is denoted as an abbreviation. “M” is the only acceptable abbreviation to use for “million” in UK English. You’ll find that a lot of UK native speakers won’t even know what “mm” stands for (outside of the “millimeter” measurement that is abbreviated to “mm”).

