Drift Velocity Calculator
Electron drift velocity in a wire from current, wire size and carrier density.
Compare Your Options And Get Clear Answers
Electron drift velocity in a wire from current, wire size and carrier density.
Drift Velocity Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Drift Quick Guide
Typical values for reference.
| Current A | Diameter mm | Drift | Drift |
|---|---|---|---|
| 10 | 2 | 2.337e-1 mm/s | 8.501e+28 mm/s |
| 1 | 1 | 9.349e-2 mm/s | 8.500e+28 mm/s |
| 20 | 3 | 2.078e-1 mm/s | 8.498e+28 mm/s |
| 5 | 2 | 1.656e-1 mm/s | 5.999e+28 mm/s |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Drift Velocity Calculator FAQ
Answers to common questions about this calculator.
The average speed of charge carriers in a conductor.
Huge numbers of carriers share the current.
No, the field propagates near light speed.
I = n A v q.
