# What Does 500 Ma in Amps Mean?

One ampere (A), sometimes known as an amp, is equal to five hundred milliamperes (mA). The unit for measuring and expressing electric current in the metric system is the ampere. A thousandth of an amp is equivalent to one milliamp, or 1 mA = 0.001 A in numerical form. Therefore, you can multiply 500 by 0.001, which is 0.5, to convert 500 mA to amps. It only takes a few operations of multiplication to find the answer to the question “What is 500 mA in amps?”

If you’re making mathematical conversions for a school assignment or working on a project at home and finally need to calculate another electricity-related value, it can be useful to know the 500mA to amp equivalent. For instance, amps times volts equal one watt. If you need to calculate watts from a milliamp measurement and a volt measurement, you must first convert the milliamps to amps in order to complete the final equation. Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.