How Old am I on Mars?

I assume that you would like to know how old you would be in Martian years. First take the number of years you are here on earth (ex: 10 years) multiply by the number of days in one year here on earth (365.25) and then divide by the number of days in a Martian year (686). The answer to the example would be: 10×365.25=3652.5; 3652.5/686=5.32 years