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Free Coil Voltage Calculator to calculate static and induced coil voltage instantly using accurate electrical formulas with step-by-step results.
Static coil under DC voltage
Dynamic magnetic field (Faraday's Law)
A Coil Voltage Calculator is an easy online tool that helps you calculate the voltage of an electrical coil accurately. Whether you are working with transformers, inductors, solenoids, or electromagnetic systems, coil voltage is a key value in electrical and electronics engineering.
We developed this Coil Voltage Calculator so users can calculate coil voltage instantly without complex manual calculations. The tool works for both static coil voltage and induced coil voltage using standard electrical formulas.
This calculator is useful for students, engineers, technicians, and hobbyists who want fast and reliable results.
Coil voltage is the electrical potential difference across a coil or generated within a coil due to magnetic effects. It depends on how the coil is used in a circuit.
In a static condition, coil voltage is based on the total applied voltage and the number of turns.
In a dynamic condition, coil voltage is induced due to a change in magnetic flux.
Both cases are handled accurately by this Coil Voltage Calculator.
This formula is used when a known voltage is applied across a coil.
Coil Voltage per Turn = Total Voltage ÷ Number of Turns
In normal text format:
V_coil = V_total / N
Where
This formula is commonly used in transformer and solenoid design.
When voltage is generated due to a changing magnetic field, Faraday’s Law is used.
Induced Coil Voltage = Number of Turns × Change in Flux ÷ Time
In normal text format:
V = N × (ΔΦ / Δt)
Where
This formula is used in generators, motors, and electromagnetic systems.
First, choose the calculation type. You can select static coil voltage or induced coil voltage.
If you choose static coil voltage, enter the total voltage and the number of turns. Select the correct voltage unit if needed.
If you choose induced coil voltage, enter the number of turns, the change in magnetic flux, and the time interval. Select the correct flux and time units.
After entering all values, click the calculate button. The calculator instantly shows the coil voltage along with clear calculation steps.
No manual math is required, and results are displayed in clean, readable numbers.
Suppose the total applied voltage is 120 volts and the coil has 60 turns.
Using the formula:
V_coil = 120 ÷ 60
Result:
Coil Voltage per Turn = 2 volts
This means each turn of the coil carries 2 volts.
Assume a coil has 200 turns.
The change in magnetic flux is 0.04 weber.
The time interval is 0.02 seconds.
Using the formula:
V = 200 × (0.04 ÷ 0.02)
V = 200 × 2
Result:
Induced Coil Voltage = 400 volts
This voltage is generated due to the changing magnetic field.
Our Coil Voltage Calculator is designed for speed, accuracy, and ease of use. It follows standard electrical engineering equations and supports unit conversion automatically.
The calculator avoids scientific notation, shows step-by-step solutions, and works smoothly on all devices. It is ideal for learning, teaching, and professional calculations.
The Coil Voltage Calculator is a reliable and user-friendly tool for calculating coil voltage in both static and induced conditions. It saves time, removes calculation errors, and helps users understand how coil voltage works.
If you need fast and accurate coil voltage results, this calculator is the perfect solution.
A Coil Voltage Calculator is an online tool that calculates voltage across a coil or voltage induced in a coil using standard electrical formulas.
Yes, the static coil voltage formula is commonly used in transformer design and analysis.
Yes, it is perfect for students because it shows clear steps and uses simple formulas.
Yes, it uses Faraday’s Law to calculate induced coil voltage accurately.
Yes, all formulas used are standard electrical engineering equations.