As an illustration of the concept, if a number can be divided by 1,000 and reduced to a single value between 1 and 10, it has three orders of magnitude. Similarly, if a number can be multiplied by 1,000 and reduced to a single value between 1 and 10, then it has negative three orders of magnitude.

The "order of magnitude" of a number is a rough estimate of how big it is. One order of magnitude is a factor of ten.

This is the number of factors of 10 that lie between two values. For example, if one value is 100 times bigger than another value, the first value is two orders of magnitude larger than the other. Estimates. This is when an order of magnitude is used to estimate the value of a variable with an unknown precise value.