calculatorsonline.co.uk
Electric Potential Calculator
Voltage at a distance from a point charge.
bolt Free Online Tool
⚡ Instant Results
📊 Clear Comparison
🔒 100% Free Tool
Electric potential
Compare Your Options And Get Clear Answers
Voltage at a distance from a point charge.
Electric Potential Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: V = kQ / r.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Electric Quick Guide
Typical values for reference.
| Charge nC | Distance m | Potential V | |
|---|---|---|---|
| 10 | 0.3 | 299.6 V | |
| 1 | 0.05 | 179.8 V | |
| 50 | 1 | 449.4 V | |
| -20 | 0.5 | -359.5 V | |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Electric Potential Calculator FAQ
Answers to common questions about this calculator.
Potential energy per unit charge.
No, it is a scalar and simply adds.
It falls as 1/r.
Volts.