History of magnets

How do magnets work?

Magnetic strength and measurement

Uses of magnets for common ailments

Application of magnetic therapy

Magnetic Therapy Research

Magnetic water

Animals and Magnetic therapy

Painkillers And Their Side-Effects

How Healthy Are You?

Magnetic strength, types and measurement

Magnetic measurements

    It is absolutely vital for any one who is currently using or contemplating using magnets to thoroughly understand how magnetic strength is measured and what is the appropriate strength of magnet to use in healing purposes. Magnets are perfectly safe and do not have adverse side effects so users should not worry about overdosing on magnetic strength, however it is possible to under dose on strength. A minimum strength per magnet is required to ensure that the magnetic field is powerful enough to penetrate through the skin and into the blood stream. I shall be discussing this further in a few minutes.

    There are 2 scientists from the 18th and 19th centuries that are responsible for the magnetic measurement system that is used today.

    Firstly the most renowned is Carl Friedrich Gauss (1777-1855). Gauss was Germany’s greatest mathematician of the time, he started to study magnetism in 1836 and by 1841 he had devised the world’s first magnetic telegraph. His work revolved around locating the earths magnetic poles (north and south) , once this was achieved
He wrote a calculations table that allows people, to this day, to calculate the strength of a magnet.

    The first unit of magnetic measurement was called gauss, named after the great man. The unit gauss has been replaced in industry with a more up to date measurement the Tesla. However in medicine magnets are still rated in gauss as the gauss measurement allows for a more precise calculation of lower strengths, than those used in industry.

    Nikola Tesla (1856-1943) was a Croatian scientist who, after emigrating to the USA, worked closely with Thomas Edison. After parting company with Thomas Edison , Tesla went on to invent alternating current (AC).

    Tesla has numerous inventions to his credit and his work has led to many of the modern day technology. Tesla was also the man who re invented the magnetic measurement system. The new SI (international system of units ) measurement of magnetic flux (strength) was named after Tesla.

    The new measurement of magnetism the Tesla is a much larger unit than that of gauss. It is predominantly used in industry, where very high strength magnets are used. Tesla is not an appropriate measuring system for medical magnets as the calculation of strength has to be converted to milli tesla (1 thousandth of a tesla)

    However medicine has been encouraged to adopt the SI system of measurement so it becoming more common to find magnetic strengths listed in tesla units.

    There is an easy way to convert tesla to gauss and the table below shows the most common gauss ratings and their tesla equivalent.

Gauss Tesla
10,000 1 Tesla
3,000 300 milli Tesla
2,000 200 milli Tesla
1,700 170 milli Tesla
1,000 100 milli Tesla
800 80 milli Tesla

    To work out the gauss rating of a magnet that is measured in tesla just multiply the tesla value by 1000, for example 2 tesla would equal 20,000 gauss. If the value is written in milli tesla then simply multiply the value by 10 to work out the gauss rating, for example 525 m tesla is equal to 5,250 gauss.

    If a magnet is measured in gauss and you want to know the tesla value simply divide the gauss rating by 1000, for example 35,000 gauss is equal to 3.5 tesla. If the gauss rating is under 10,000 then the conversion of gauss to tesla will be in milli tesla (1 thousandths of a tesla) simply divide the gauss rating by 10, for example 1,200 gauss is equal to 120 m tesla.

    Regardless of whether a magnet is measured in gauss or tesla it is vitally important that you know the strength of all the magnets that you use. If you don’t know the strength of the magnet don’t use it. If a magnet does not have a minimum of 800 gauss/80 milli tesla then it will not penetrate into the skin.

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