Is electric field a vector?
Yes, it has both magnitude and direction. This calculator computes the magnitude. The direction is away from positive charges and towards negative charges.
Calculator
Enter your values
Results
Electric Field Strength (N/C)
8.99e+3
8,990
Analysis
Interpretation of the current calculator output
Calculation Summary
The current inputs have been processed for the electric field calculator. Review the results panel for the computed output and use the charts tab to compare the current values visually.
How to Read It
The main result shows the direct answer for your current inputs. Supporting sections below explain the method, example, and common questions so the result is easier to interpret.
How to Use
Step-by-step instructions
- 1Enter the magnitude of the charge in Coulombs.
- 2Enter the distance from the charge in meters.
- 3The calculator will compute the electric field strength.
Point Charge Field
The electric field (E) drops off with the square of the distance (r) from the charge (q). k is Coulomb's constant.
E = k · |q| / r²Variables:
EElectric Field (N/C)k8.99×10⁹ N·m²/C²qCharge (C)rDistance (m)Example
1 µC Charge
Inputs:
Charge:1e-6 C
Distance:1 m
Steps:
- 1.E = (8.99×10⁹ × 10⁻⁶) / 1²
- 2.E = 8.99×10³ N/C
Result:
8.99e+3 N/C