Quick answer
Om, also written Aum (ॐ), is a sacred Sanskrit syllable considered the primordial sound of the universe in Hindu, Buddhist and Jain traditions. Its three sounds, A, U and M, are said to represent waking, dreaming and deep sleep, while the silence after it represents pure awareness. Yogis chant Om to calm the mind and focus attention.
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| Word | Om or Aum (ॐ) |
|---|---|
| Also called | Pranava, Omkara |
| Pronunciation | AUM, sounding like “ohm,” ending in a long hum |
| Language | Sanskrit |
| Key texts | The Upanishads (especially the Mandukya), the Bhagavad Gita, the Yoga Sutras of Patanjali |
| Traditions | Hinduism, Buddhism, Jainism and modern yoga |
| Typical use | Opening or closing a class, mantra meditation, beginning prayers |
Om is probably the most famous sound in yoga. You might hear it at the start of class, at the end, or woven into longer mantras. For some people it is deeply sacred. For others it is a simple way to slow down and feel the breath.
In this guide you will learn what Om means, where it comes from, what the symbol represents, and exactly how to chant it, step by step, even if you feel a little shy about using your voice.
What Does Om Mean?
Om does not translate neatly into a single English word. In the Indian traditions where it originates, it is understood as the sound of ultimate reality, sometimes called Brahman, or as the vibration from which all creation unfolds. It is often described as the “sound of the universe.”
In yoga practice, Om is used as a tool for focus. Chanting it unites breath, sound and attention in one simple act. Many teachers describe it as a way to mark the shift from busy everyday thinking into the quieter state that yoga aims for. Learn more about that goal in What Is Yoga?
Why Is It Written Aum?
In Sanskrit, the vowels “a” and “u” merge into a long “o” sound. That is why Aum is pronounced Om. Writing it as Aum makes its three component sounds visible:
- A (ah), produced at the back of the open mouth.
- U (oo), as the lips round and move forward.
- M (mmm), a hum with the lips closed.
Together these sounds travel from the back of the mouth to the lips, which some teachers describe as moving through the full range of vocal sound. After the M comes a fourth element: silence. The pause after chanting is considered just as important as the sound itself.
Where Does Om Come From?
Om appears in some of the oldest texts of India. It is found in the Vedas and explored at length in the Upanishads, philosophical texts that shaped much of yoga thought. Its history is closely tied to the broader history of yoga.
- The Mandukya Upanishad is a short text devoted almost entirely to Om. It links A, U and M to three states of consciousness: waking, dreaming and dreamless sleep. The silent fourth state, called turiya, is pure awareness underlying all three.
- The Bhagavad Gita refers to Om as a sacred syllable connected to the divine.
- The Yoga Sutras of Patanjali call Om the pranava and describe it as the sound that expresses Ishvara, a higher or universal awareness. The Sutras suggest repeating it while reflecting on its meaning as an aid to concentration.
Om also appears in Buddhist and Jain practice, for example in the well known Buddhist mantra “Om Mani Padme Hum.” Across traditions, it is treated with reverence.
What Does the Om Symbol Mean?
The written symbol ॐ comes from Sanskrit script. A widely shared interpretation, rooted in the Mandukya Upanishad’s teaching, reads each part as a layer of consciousness:
| Part of the symbol | Sound | Represents |
|---|---|---|
| Large lower curve | A | The waking state, awareness of the outer world |
| Middle curve (to the right) | U | The dreaming state, the inner world of mind |
| Upper curve | M | Deep, dreamless sleep |
| Crescent | None | Maya, the veil of illusion |
| Dot | Silence | Turiya, pure awareness beyond the other states |
Different teachers explain the symbol in slightly different ways, so treat this as one meaningful reading rather than the only one.
How Do You Chant Om?
You do not need a good singing voice. Om is about steady breath and attention, not performance. Try this simple method:
- Sit comfortably. Choose a cross-legged seat, a cushion or a chair. Lengthen your spine and relax your shoulders. Lotus is traditional but never required.
- Close your eyes and settle. Take two or three natural breaths through the nose.
- Inhale fully. Breathe in slowly through the nose, filling the belly and ribs without strain.
- Open with “Ah.” As you exhale, begin with an open mouth, letting the sound rise from the belly.
- Shift to “Oo.” Gradually round the lips, feeling the sound move into the chest and throat.
- Close with “Mmm.” Bring the lips together and hum. Notice the vibration in your lips, face and head. Many people make the M the longest part.
- Rest in silence. When the breath ends, pause. Notice how you feel for a few seconds before the next inhale.
- Repeat. Chant three rounds to start. Over time you can work up to longer sessions.
Teacher tip: A useful ratio for beginners is roughly one quarter “Ah,” one quarter “Oo” and one half “Mmm.” Do not force the volume: a soft, even sound is more calming than a loud one.
Chanting Om pairs naturally with breathing practices. If you want to build breath control first, explore our guide to pranayama breathing techniques, then try Om as the opening of a short meditation.
Chanting in a group
In class, the teacher usually leads and students join in. Voices naturally blend at different pitches, which is part of the experience. If you feel self-conscious, start quietly, or simply listen and breathe along. Both are perfectly acceptable.
What Are the Benefits of Chanting Om?
People who chant Om regularly often describe these effects:
- Slower breathing. The long exhale naturally lengthens the breath, which many people find calming.
- Better focus. Concentrating on one sound gives a busy mind a single point of attention.
- A felt sense of vibration. The humming M creates gentle resonance in the face, chest and head.
- A clear transition. Chanting at the start or end of practice marks a boundary between your day and your practice.
Some small studies suggest that chanting Om or humming may support relaxation, but the research is early and limited. Think of Om as a supportive practice, not a treatment. For a balanced look at what research says about yoga in general, see the U.S. National Center for Complementary and Integrative Health’s overview, Yoga: What You Need To Know, and our own guide to the benefits of yoga.
Common Mantras That Use Om
- Om Shanti Shanti Shanti: a prayer for peace, often chanted at the end of class. Shanti means peace.
- Om Namah Shivaya: a devotional mantra offering salutations to Shiva. It shares the word namah with the greeting namaste.
- Om Mani Padme Hum: a Buddhist mantra associated with compassion.
- Om Gam Ganapataye Namaha: a mantra associated with Ganesha, traditionally chanted at new beginnings.
Chanting Om Respectfully
Om is sacred to hundreds of millions of people. You do not need to adopt any religion to chant it, but it deserves care. Learn what it means before using it, avoid using the symbol casually on items like footwear or bathroom decor, and never pressure students or friends to chant if they would rather not.
Some yoga classes chant Om and some do not. Either approach is valid. What matters is sincerity and respect.
Meditation essentials
- Meditation cushion: lifts your hips so your spine can sit tall
- Mala beads: help you keep count during mantra meditation
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Key Takeaways
- Om (Aum) is a sacred Sanskrit syllable often described as the sound of the universe.
- A, U and M represent waking, dreaming and deep sleep. The silence after represents pure awareness.
- The Yoga Sutras call Om the pranava and recommend repeating it with reflection.
- To chant: inhale fully, then exhale through Ah, Oo and a long Mmm, and rest in the silence.
- Start with three rounds. Any voice is a good voice for Om.
- Use Om with respect for its spiritual roots.
Frequently Asked Questions
What does Om mean in yoga?
Om is a sacred Sanskrit syllable that represents the sound of the universe, ultimate reality or pure consciousness, depending on the tradition. In yoga it is chanted to focus the mind, mark the beginning or end of practice and connect breath, sound and awareness.
Is it Om or Aum?
Both are correct. In Sanskrit, the vowels a and u blend into a long o sound, so Aum is usually pronounced Om. Writing it as Aum highlights its three sounds: A, U and M.
How many times should you chant Om?
A common practice is three rounds at the start or end of a session. For meditation, many people chant in sets of 9, 21 or 108 repetitions. There is no wrong number: even a single slow, attentive Om can settle your mind.
Do you have to be religious to chant Om?
No. Om has deep roots in Hindu, Buddhist and Jain traditions, and many people chant it as a spiritual practice. Others use it simply as a breathing and focusing tool. Approach it with respect, and feel free to listen silently if chanting does not feel right for you.
What are the benefits of chanting Om?
People often report feeling calmer and more focused after chanting. The long, steady exhale slows breathing, and the humming M sound creates gentle vibration. Small studies suggest Om chanting may support relaxation, but research is still limited.
What does the Om symbol mean?
In a widely shared interpretation, the curves of the Om symbol represent waking, dreaming and deep sleep. The crescent stands for illusion, and the dot represents the fourth state, pure awareness beyond the other three.
What does Om Shanti mean?
Shanti means peace in Sanskrit. Om Shanti is a short prayer or blessing for peace, and it is often chanted three times at the end of a class or meditation.
