Electric Field Calculator - Calculator Suite

Charge (Q) in Coulombs:

Distance (r) in meters:

E = kQ/r²

Where k = 8.99 × 10⁹ N⋅m²/C² (Coulomb's constant)

Electric Field (E) in N/C:

Test Charge (q) in Coulombs:

F = qE

Electric force on a charge in an electric field

Voltage (V) in Volts:

Plate Separation (d) in meters:

E = V/d

Uniform electric field between parallel plates

Charge 1 (Q₁) in Coulombs:

Distance 1 (r₁) in meters:

Charge 2 (Q₂) in Coulombs:

Distance 2 (r₂) in meters:

Electric fields from multiple charges add vectorially using superposition principle

⚡ Electric Field Calculator