Planetary Tuning forks

Planetary tuning forks are precision instruments tuned to frequencies derived from the orbital periods of planets, the sun and the moon. Developed from the work of Swiss mathematician Hans Cousto and his cosmic octave principle, each fork translates an astronomical cycle into an audible tone -- bringing the rhythms of the solar system into your sound healing practice. These forks are popular among practitioners who work with meditation, energy alignment and ceremonial sound work, offering a bridge between celestial mathematics and personal wellness. Every fork in this collection is CNC-machined from premium aluminum alloy, computer-verified to +/-0.25 Hz accuracy and laser-engraved with its planetary frequency.

Our planetary collection features the beloved OM 136.1 Hz fork -- the frequency of Earth's year -- along with forks for the Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. Whether you are building a complete planetary tuning fork set or selecting individual frequencies for specific intentions, these forks provide a unique sonic toolkit rooted in both science and tradition.

Learn more about how frequencies are chosen: The Complete Guide to Tuning Fork Frequencies.

How Hans Cousto's Cosmic Octave Connects Planets to Sound

The cosmic octave is not a mystical concept -- it is a mathematical one. In 1978, Hans Cousto published "The Cosmic Octave," explaining how any periodic cycle can be converted into an audible frequency by repeatedly doubling (octaving) its base rate until it enters the range of human hearing. The orbital period of Earth around the sun, for example, is one year (365.25 days). By continuously halving this period (doubling the frequency), Cousto arrived at 136.10 Hz -- the OM frequency -- which has been used in Indian classical music and Vedic traditions for centuries.

The same principle applies to every celestial body. Each planet's orbital period, synodic period, or rotational period produces a distinct frequency when octaved into the audible range. This gives practitioners a set of planetary frequencies that are mathematically derived rather than arbitrarily chosen, lending a scientific foundation to the practice of planetary sound healing.

Complete Planetary Frequency Reference Table

Starting Your Planetary Practice: Which Fork to Choose First

With eleven planetary frequencies available, newcomers often wonder where to begin. The answer depends on your intention, but two forks stand out as essential starting points for most practitioners.

The OM 136.1 Hz Fork: The Universal Starting Point

The OM 136.1 Hz tuning fork is the single most popular planetary fork worldwide. Representing the frequency of Earth's yearly orbit, it is deeply connected to the concept of OM in Eastern traditions -- the primordial sound of the universe. This fork resonates with the heart chakra and is used for centering, grounding and creating a meditative baseline. Practitioners often begin and end sessions with the OM fork, using it to establish a calm, connected state. Its mid-range frequency is pleasant to the ear and its vibration, when used as a weighted fork on the body, produces a gentle, soothing sensation on the sternum or between the shoulder blades.

The Sun 126.22 Hz Fork: Energizing and Uplifting

Where the OM fork is centering, the Sun 126.22 Hz fork is activating. Associated with the solar plexus chakra, it is used to support feelings of confidence, vitality and personal power. Practitioners working with clients who feel lethargic, unmotivated or stuck often reach for the Sun fork to bring warmth and movement into a session. It pairs beautifully with the OM fork -- Sun for activation, OM for integration -- creating a simple two-fork protocol that covers both energizing and grounding needs.

Planetary Forks vs Chakra Forks: Understanding the Difference

Both planetary tuning forks and chakra tuning forks are used in energy work, and they share some frequencies -- the OM 136.1 Hz fork, for example, is common to both systems. However, their frameworks and intentions differ in important ways.

Chakra tuning forks are organized around the seven primary energy centers of the body. Each fork is assigned to a specific chakra based on frequency associations established by practitioners over decades. The system is body-centric: you choose forks based on which chakra needs attention. See our chakra tuning forks collection for more on this approach.

Planetary tuning forks are organized around celestial bodies. Each fork carries the vibrational signature of a planet's orbital cycle. The system is intention-centric: you choose forks based on what quality you want to invoke -- Venus for love, Mars for action, Saturn for discipline. While some practitioners map planetary forks onto chakras (and there is overlap), the planetary system is broader, offering frequencies that do not correspond neatly to any single energy center.

Many experienced practitioners use both systems together. A session might begin with chakra forks to address specific blockages, then transition to planetary forks to set an overarching intention for the work. The two approaches complement rather than compete.

Integrating Planetary Forks into Meditation and Ceremony

Beyond clinical or therapeutic settings, planetary tuning forks find a natural home in meditation and ceremonial practice. Their connection to celestial cycles makes them powerful tools for rituals tied to astronomical events -- new moons, full moons, solstices, equinoxes and planetary transits.

During a full moon meditation, for example, a practitioner might use the Moon 210.42 Hz fork to deepen emotional awareness and intuition. At the winter solstice, the Sun 126.22 Hz fork can symbolize the return of light and vitality. These practices add a sonic dimension to ceremonies that are already rich in symbolic meaning.

For personal meditation, planetary forks offer an excellent focal point. Striking a fork and following its tone from full resonance to silence trains attention and presence -- two core skills of any contemplative practice. The long sustain of an unweighted planetary fork (often 20-30 seconds) provides ample time for a single breath cycle, naturally linking sound awareness to breathwork.

Explore Frequency-Based Sound Healing Collections

• All Tuning Forks -- Browse our complete range of sound healing tuning forks
• Chakra Tuning Forks -- Energy center-focused forks with planetary frequency overlap
• Solfeggio Tuning Forks -- The nine sacred frequencies for healing and transformation
• Spiritual Tuning Forks -- Angel tuners, OM forks and sacred frequency tools
• Tuning Fork Frequencies Guide -- Comprehensive frequency reference for all tuning fork types