Magnetic Field Calculator
Calculate magnetic field strength for different conductor configurations
Quick examples:
20.0000 μT
Magnetic Field (B)
2.0000e-5 T
In Tesla
Field Visualization
Constants
Permeability of free space (μ₀):
1.2566e-6 T·m/A = 4π×10⁻⁷ T·m/A
Formulas
Straight Wire: B = μ₀I / (2πr)
Solenoid: B = μ₀nI
Circular Loop: B = μ₀NI / (2R)
μ₀ = 4π×10⁻⁷ T·m/A
About Magnetic Field Calculator
Calculate magnetic field strength for different current-carrying conductor geometries using the Biot-Savart law and Ampère's law.
Configurations
- Straight Wire: Field decreases with distance, forms concentric circles
- Solenoid: Creates uniform field inside the coil
- Circular Loop: Field strongest at center, perpendicular to loop plane
Applications
- Electromagnet design
- MRI machines and particle accelerators
- Electric motors and generators
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