Convert Gammas to Milliteslas

Convert Gammas (γ) to Milliteslas (mT) instantly and accurately.

Gammas (γ)
Milliteslas (mT)

Conversion Formula

mT = γ × 1.000000000e-6

About Gammas

The gamma (γ) equals exactly 1 nT = 10⁻⁹ T. A legacy CGS-adjacent unit adopted in geophysics and aeromagnetic surveying before SI. Total-field aeromagnetic surveys measure local anomalies of a few γ to thousands of γ over mineral deposits. 1 γ = 1 nT = 10⁻⁹ 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

Gammas (γ)Milliteslas (mT)
1 γ1 × 10-6 mT
2 γ2 × 10-6 mT
5 γ5 × 10-6 mT
10 γ1 × 10-5 mT
25 γ2.5 × 10-5 mT
50 γ5 × 10-5 mT
100 γ1 × 10-4 mT

→ Full Magnetic Flux Density Converter