Convert Femtowebers to Milliwebers

Convert Femtowebers (fWb) to Milliwebers (mWb) instantly and accurately.

Femtowebers (fWb)
Milliwebers (mWb)

Conversion Formula

mWb = fWb × 1.000000000e-12

About Femtowebers

The femtoweber (fWb) equals 10⁻¹⁵ Wb. Used in SQUID magnetometer research to express flux noise spectral density; a typical high-T₂ SQUID has white flux noise of a few µΦ₀/√Hz, corresponding to sub-fWb/√Hz levels. 1 fWb = 10⁻¹⁵ Wb.

About Milliwebers

The milliweber (mWb) equals 10⁻³ Wb. Practical unit for small power inductors and relay cores - a typical E-core ferrite transformer with a 1 cm² cross-section at 0.3 T saturates at 0.3 mWb; audio transformer cores operate in the mWb range. 1 mWb = 10⁻³ Wb = 10⁵ Mx.

Quick Reference Table

Femtowebers (fWb)Milliwebers (mWb)
1 fWb1 × 10-12 mWb
2 fWb2 × 10-12 mWb
5 fWb5 × 10-12 mWb
10 fWb1 × 10-11 mWb
25 fWb2.5 × 10-11 mWb
50 fWb5 × 10-11 mWb
100 fWb1 × 10-10 mWb

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