Transformer Calculator
Quickly perform transformer calculations with this free online tool, ideal for electrical engineers, technicians, and students needing accurate transformer data.

Check It Yourself
About This Tool
The Transformer Calculator is a dedicated online tool designed for electrical professionals and students to perform essential transformer calculations quickly and accurately.
It supports various inputs such as primary and secondary voltages, power ratings, and optional current and efficiency data to deliver detailed outputs including turn ratios, load currents, and power efficiencies.
This tool simplifies complex formulas into an easy-to-use interface, making it invaluable for designing safe electrical systems, troubleshooting existing transformers, or learning about transformer principles.
Whether you're working on power distribution, electrical engineering projects, or academic exercises, the XFMR Calculator provides reliable results and helps you make informed decisions efficiently.
How to Use
1. Enter the primary voltage (V).
2. Enter the secondary voltage (V).
3. Input the rated power capacity in kVA.
4. Optional: enter primary or secondary current, efficiency.
5. Click the 'Calculate' button to see results instantly.

FAQs/Additional Resources
Find Quick Answers
What is a transformer calculator used for?
Can I calculate load capacity using this tool?
Is this calculator suitable for high-voltage transformers?
Does it support three-phase transformer calculations?
Is there an option for saving or exporting results?
User Reviews
See What Others Are Saying
Explore Related Tools
More Solutions for Your Needs
Pt100 to 4-20mA Converter
Converts Pt100 resistance to a 4-20mA current, modeling temperature and providing loop current for process instrumentation, design validation, and calibration.
Px to pt converter
A fast, precise converter that turns pixel values into points for typography and layout, helping designers ensure consistent sizing across digital and print.
Your Feedback Matters
Help Us to Improve