4 milligauss (4 mG)
4 milligauss equals 0.004 gauss, 4 × 10-7 teslas, 0.4 microteslas and 0.0004 milliteslas.
4 milligauss = 0.004 gauss
What 4 milligauss means in practice
4 milligauss sits between the human brain's magnetic field (0.00001 mG) and the Earth's magnetic field (500 mG).
- The human brain's magnetic field: 0.00001 mG
- The Earth's magnetic field: 500 mG
- A fridge magnet: 50,000 mG
- A strong neodymium magnet: 12,500,000 mG
- A hospital MRI scanner: 30,000,000 mG
- The strongest continuous lab magnets: 450,000,000 mG
- A neutron star: 1 × 1015 mG
- A magnetar: 1 × 1018 mG
4 milligauss in all magnetic field units
| Unit | Value | Scientific notation |
|---|---|---|
| Gauss (G) | 0.004 | 4 × 10-3 |
| Teslas (T) | 4 × 10-7 | 4 × 10-7 |
| Microteslas (µT) | 0.4 | 4 × 10-1 |
| Milliteslas (mT) | 0.0004 | 4 × 10-4 |
| Nanoteslas (nT) | 400 | 4 × 102 |
| Kilogauss (kG) | 0.000004 | 4 × 10-6 |
| Gammas (γ) | 400 | 4 × 102 |
| Picoteslas (pT) | 400,000 | 4 × 105 |
| Webers per square meter (Wb/m²) | 4 × 10-7 | 4 × 10-7 |
| Femtoteslas (fT) | 400,000,000 | 4 × 108 |
| Lines per square inch | 0.0258064 | 2.58064 × 10-2 |
Other amounts of milligauss
About the milligauss
The milligauss is used in the US for EMF exposure measurements near power lines and appliances. Read more about milligauss.