How does the Transformer Calculator work?

Turns ratio = secondary turns ÷ primary turns Then: Secondary voltage = primary × turns ratio Then: Secondary current = primary ÷ turns ratio Then: Power in ≈ power out (ideal).

Can you give an example of how to use the Transformer Calculator?

Example: Input Vp=120V, Ns/Np=1/10 gives a result of Vs=12V.

Is the Transformer Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Transformer Calculator?

Our Transformer Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Transformer Calculator

Primary Voltage (V)

Primary Current (A)

Turns Ratio (N2/N1)

Calculates transformer voltage and current relationships for different turns ratios. Essential for voltage conversion and impedance matching.

Difficulty:intermediate

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Did You Know?

Power distribution transformers lose 5-10% of energy as heat; optimization saves billions annually.

References

›Transformer Calculator

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