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Reactance Calculator
Calculate inductive and capacitive reactance at a frequency.
〰️ Free Online Tool
⚡ Instant Results
📊 Clear Comparison
🔒 100% Free Tool
XL
Compare Your Options And Get Clear Answers
Calculate inductive and capacitive reactance at a frequency.
Reactance Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: XL = 2 pi f L; XC = 1 / (2 pi f C).
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
Reactance Quick Guide
Typical values for reference.
| Frequency | XL (10 mH) | XC (1 uF) | Note |
|---|---|---|---|
| 100 Hz | 6.3 | 1592 | Cap dominates |
| 1 kHz | 62.8 | 159 | Cap dominates |
| 1.6 kHz | 100.5 | 99.5 | Resonance |
| 10 kHz | 628 | 15.9 | Coil dominates |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Reactance Calculator FAQ
Answers to common questions about this calculator.
Opposition to AC from inductors and capacitors.
It gives a quick estimate of reactance from the values you enter.
No. It is a planning estimate, so check important figures with a professional or official source.
Yes. Edit any field and the result updates when you calculate.