Convert Femtoteslas to Milliteslas

Convert Femtoteslas (fT) to Milliteslas (mT) instantly and accurately.

Femtoteslas (fT)
Milliteslas (mT)

Conversion Formula

mT = fT × 1.000000000e-12

About Femtoteslas

The femtotesla (fT) equals 10⁻¹⁵ T. The standard field scale for biomagnetic measurements: neural signals in magnetoencephalography (MEG) produce cortical fields of 10-1000 fT, while cardiac magnetic fields (magnetocardiography, MCG) are around 10-100 pT. SQUID sensors routinely measure in the fT range. 1 fT = 10⁻¹⁵ T.

About Milliteslas

The millitesla (mT) equals 10⁻³ T = 10 G. Used in industrial induction heating, magnetic particle inspection (MPI), and low-field MRI systems; the fringe field at the 5 G (0.5 mT) safety line around clinical MRI scanners is the standard exclusion boundary. 1 mT = 10⁻³ T = 10 G.

Quick Reference Table

Femtoteslas (fT)Milliteslas (mT)
1 fT1 × 10-12 mT
2 fT2 × 10-12 mT
5 fT5 × 10-12 mT
10 fT1 × 10-11 mT
25 fT2.5 × 10-11 mT
50 fT5 × 10-11 mT
100 fT1 × 10-10 mT

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