1. What is a Power Conversion Calculator?

Definition: This calculator converts between electrical units of amps, volts, and watts using Ohm's Law.

Purpose: It helps electricians, engineers, and DIY enthusiasts quickly calculate power or other electrical parameters.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P \) — Power (watts)
• \( V \) — Voltage (volts)
• \( I \) — Current (amperes)

Explanation: Electrical power is calculated by multiplying voltage by current.

3. Importance of Power Calculation

Details: Proper power calculation ensures correct circuit design, proper component sizing, and electrical safety.

4. Using the Calculator

Tips: Enter any two known values to calculate the third. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Can I calculate current if I know power and voltage?
A: Yes, the formula can be rearranged as \( I = \frac{P}{V} \).

Q2: What's the difference between AC and DC in these calculations?
A: For resistive loads, the formula works the same. For reactive loads in AC, power factor must be considered.

Q3: How do I convert watts to kilowatts?
A: Divide watts by 1000 (1 kW = 1000 W).

Q4: What's a typical household voltage?
A: In North America, 120V for standard outlets and 240V for large appliances.

Q5: How does this relate to energy consumption?
A: Energy (kWh) = Power (kW) × Time (hours). This calculator gives instantaneous power.