Electrical Engineering Calculators

Electric shocks provide web-based Electrical Engineering Calculators for different formulas from the field. Electrical Engineering Calculator deals with different formulas that can be calculated with an on-web calculator.

There are numerous are the formula used in the engineering field, this formula holds a key role in electrical engineering. For example, Ohm’s law, voltage and current divider rules, resistors and capacitor series, and parallel circuit formulas. These the basic electrical engineering calculator available here.

For advanced formulas, electric shocks offer a calculator for calculating the number of solar panels for your home, wire size for specific current, transformer rating in KVA, and many more electrical engineering calculators.

How to Calculate Resistor Color Code (4-Band & 5-Band Chart)

November 3, 2026 by Gul Faraz

resistor color coding system

Resistor color coding is the system for representing the rating of the component by marking different color bands over the packing. It is also used for capacitor, inductor, and diode but most commonly for resistors.

Solar Panel Roof Calculator: How Many Solar Panels Can Fit on Your Roof?

October 31, 2026 by Gul Faraz

Solar Panel Roof Calculator: How Many Solar Panels Can Fit on Your Roof?

Find out how many solar panels can fit on your roof. Learn how roof dimensions, panel size, orientation, tilt, shading, and installation clearances affect your rooftop solar layout.

Energy Bill Calculator: How Energy Bills Are Calculated

November 1, 2026October 27, 2026 by Gul Faraz

Energy Bill calculator

Learn how to use an energy bill calculator to estimate electricity costs, calculate appliance consumption, understand utility charges, and reduce your monthly energy expenses.

Circuit Breaker Size Calculator (DC, Single-Phase & 3-Phase AC)

October 31, 2026February 4, 2024 by Gul Faraz

3 phase circuit breaker sizing calculator

Optimize safety with our Breaker Size Calculator. Tailor breaker sizing based on load characteristics. Ensure precision and reliability in your electrical system.

How to Calculate the KVA of a Transformer for Single and 3 Phase

October 3, 2026April 9, 2021 by Gul Faraz

Electricity distribution transformers

Learn how to figure KVA of a transformer by using the online Transformer KVA Calculator. Also, learn Why Transformer Rating is in KVA Not in KW?

Electrical Wire Size Calculator and Wire Size Calculation Explained

October 27, 2026March 28, 2021 by Gul Faraz

Teflon wire application in industry

Online electrical wire size calculator for AC single phase and DC. Calculate Voltage drop, current, cable size in metric (SI) and British system.

How Many Solar Panels Do I Need for My Home

October 30, 2026March 23, 2021 by Gul Faraz

Integrating Solar Production - Solar Switch

Use the web-based solar panel calculator to calculate the number of solar panels required for your home or office or commercial building.

Capacitors in Parallel: Parallel Capacitor Calculator

October 13, 2026February 10, 2021 by Gul Faraz

Capacitor in series and parallel

Adding capacitors in parallel leads to a decrease in the total capacitance. Calculate the total capacitance with online capacitors in the parallel calculator.

Voltage and Current Divider Rule Formula Calculator (VDR and CDR)

October 27, 2026April 30, 2020 by Gul Faraz

voltage and current divider rule formula

Voltage divider rule (VDR) shows the distribution of voltage in a series circuit and current divider rule shows the current distribution in a parallel circuit.

Derivation of Diode Current Equation, Calculator, and Example

October 14, 2026September 4, 2019 by Gul Faraz

Symbol of diode

The diode current equation depends on the dark saturation current, the charge of an electron, and external voltage. We also provide a calculator for the diode current equation.