i think it takes about 8 months. but im most likely wrong. try Google for your answer.
That's about right for the time to go the other way, from Earth to Mars. It may be different coming back.
THE ANSWER IS 687 EARTH DAYS
It takes 687 Earth days for mars to orbit the Sun
90 days
Mars rotates on its axis in 24.6 earth hours = 1.025 earth days.
About 687 Earth days.
The orbital period of Mars is 686.971 days.
365 days
687 days.
687 days
260 days a proximately
80 ,000000000000
About 687 to 686