Calculate your Mars sign
Your Mars sign shows how you act, what you fight for and how you handle anger and competition. It is calculated from your birth date and birth time, together with your complete birth chart.
Calculate your birth chart
Astrology is a symbolic interpretation, not a scientifically proven prediction. Astronomical positions are calculated with an analytical method.
What the Mars sign means
In astrology, Mars stands for energy, will, courage and drive. Its sign describes whether you act directly and fast or patiently and strategically, and where you prefer to put your energy. Calculate your birth chart free to see Mars together with all other planets.
Mars sign compared with the sun sign
While your sun sign describes your direction, Mars shows how you turn that direction into action. The sun sign calculator and the Venus sign calculator complete the picture with core and relationships.
Frequently asked questions about the Mars sign
What is the Mars sign?
The Mars sign describes energy, will, courage and drive: how you act and how you handle anger and competition.
How does it differ from the sun sign?
The sun sign describes your direction, Mars shows how you turn that direction into action.
How often does Mars change sign?
About every six to seven weeks. During a retrograde period, Mars can stay longer in one sign.
What does Mars say about conflict?
Mars shows whether you approach conflict directly and openly or wait first, and how you process anger and competition.
What does Mars say about everyday energy?
Mars describes where you prefer to put your energy, how you work, and what drives you when things get demanding.
What is the difference from Venus?
Venus describes attraction and harmony, Mars describes acting and drive. They complement each other in relationships and everyday life.
Do I need my birth time for the Mars sign?
The Mars sign is calculated from birth date and birth time, together with your complete birth chart.
Does my Mars sign change?
No. Your birth Mars sign stays the same, because it is tied to your moment of birth.
Is the Mars sign calculation free?
Yes. You can calculate your Mars sign here free and without registration.
Are my birth details stored?
No. Calculation runs through a private API, and birth details are not stored or logged.