🔌 Transformer Turns Ratio & Voltage Calculator – Step-Up & Step-Down Transformer Analysis

The Transformer Turns Ratio & Voltage Calculator is a free online tool designed for electrical engineering and diploma students to calculate the turns ratio, primary voltage, or secondary voltage of a transformer. This calculator helps you understand how voltage transformation occurs between primary and secondary windings.

📘 What is Transformer Turns Ratio?

The turns ratio (N₁/N₂) represents the ratio between the number of turns in the primary coil (N₁) and the secondary coil (N₂). It determines whether the transformer is a step-up or step-down transformer.

⚙️ Transformer Equations:

Turns Ratio (N₁/N₂) = V₁ / V₂

Where:
V₁ = Primary Voltage (Volts)
V₂ = Secondary Voltage (Volts)
N₁ = Number of turns in primary coil
N₂ = Number of turns in secondary coil
  

📈 Step-Up vs Step-Down Transformer:

• Step-Up Transformer: Secondary voltage is higher than primary voltage (V₂ > V₁)
• Step-Down Transformer: Secondary voltage is lower than primary voltage (V₂ < V₁)

🧮 How to Use This Calculator:

1. Enter any three values among V₁, V₂, N₁, N₂.
2. Click the Calculate button.
3. The missing value will be calculated automatically using the transformer formula.

💡 Example:

Suppose a transformer has Primary Voltage (V₁) = 230 V and Turns Ratio = 10:1, then Secondary Voltage (V₂) = 23 V — making it a step-down transformer.

📗 Features:

• Calculates voltage or turns ratio instantly
• Identifies whether the transformer is step-up or step-down
• Supports single-phase & theoretical three-phase design
• Ideal for B.Tech, Diploma, and EEE students
• Mobile-friendly layout for quick calculations

🎯 Applications:

• Transformer design and testing labs
• Power system analysis
• Practical understanding of electromagnetic induction
• AC circuit and machine theory experiments

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📚 Related Tools:

This Transformer Turns Ratio & Voltage Calculator helps you easily analyze power transfer between primary and secondary coils — perfect for lab reports, circuit design, and electrical theory understanding.