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Magnetic Field Strength Converter
ConverterConvert between tesla, gauss, millitesla, and oersted.
About This Tool
Earth's magnetic field is about 25–65 microtesla. MRI machines typically operate at 1.5 or 3 Tesla. The strongest continuous magnetic fields created by humans are around 45 Tesla. Permanent refrigerator magnets are about 1–10 millitesla.