Convert Femtowebers to Webers
Convert Femtowebers (fWb) to Webers (Wb) instantly and accurately.
Conversion Formula
Wb = fWb × 1.000000000e-15
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 Webers
The weber (Wb) is the SI coherent unit of magnetic flux, defined as 1 V·s. A change of 1 Wb per second through a single-turn coil induces an EMF of 1 V. Power transformer cores at 50/60 Hz operate at 0.5-1.5 Wb in large units; a generator stator coil links a few Wb per pole. 1 Wb = 1 V·s = 10⁸ Mx.
Quick Reference Table
| Femtowebers (fWb) | Webers (Wb) |
|---|---|
| 1 fWb | 1 × 10-15 Wb |
| 2 fWb | 2 × 10-15 Wb |
| 5 fWb | 5 × 10-15 Wb |
| 10 fWb | 1 × 10-14 Wb |
| 25 fWb | 2.5 × 10-14 Wb |
| 50 fWb | 5 × 10-14 Wb |
| 100 fWb | 1 × 10-13 Wb |