What does "MM" stand for in dollars?

In terms of dollars, MM stands for 1,000,000. This is based off the Roman numeral "M," which stands for 1,000, and MM, which is used to indicate 1,000,000.

There are actually a few different ways that 1,000,000 can be expressed when it comes to writing dollar amounts. One example would be having it listed as $4,000,000. Another person may use $4MM to indicate 4 million. Million can also be represented using "mn" and "m," so an individual may see $4m, $4mn or simply $4 million. Another option is to use the "M" for 1,000 and represent $4 million as $4,000M.