Electric Field Calculator
Compute electric field E = kq/r² from a point charge.
Input Data
Charge
C
Distance
m
Results
E = kq/r².
898,800N/C
At a glance:E = k·q/r² (radially outward for +q). Complements coulombs-law and electric-potential.
Formula
E = k·q / r².
$$E = \dfrac{k Q}{r^2}$$$$E = \dfrac{F}{q}, \quad F = qE$$How to Use
- Enter charge and distance.
- The tool returns the field.
Case Studies
q=1e-6, r=0.1
E = 9e5 V/m.
FAQ
Units?
V/m = N/C.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.