Amperio

Master electrical engineering with precision and ease

Amperio is a comprehensive electrical engineering calculator app designed for engineers, students, and electronics enthusiasts. Features Ohm's Law calculator, resistor color decoder, unit converter, and voltage divider calculator.

Everything you need for electrical engineering calculations

Amperio combines beautiful design with powerful calculation tools to help you master electrical engineering with precision and ease.

Ohm's Law Calculator

Calculate voltage, current, resistance, and power using any two known values. Real-time calculations with smart number formatting and visual progress indicators.

Resistor Color Decoder

Decode resistor color bands to determine resistance values and properties. Support for 4, 5, and 6-band resistors with interactive selection.

Unit Converter

Convert between different electrical units and prefixes. Support for voltage, current, resistance, power, frequency, capacitance, and inductance.

Voltage Divider Calculator

Calculate voltage drops across series resistors. Support for complex configurations with real-time validation and error checking.