Intelligent Industrial Calculation,
Simpler Than Ever.

A suite of accurate, fast, and free online calculators designed to help engineers, purchasers, and sales professionals make smarter decisions.

Our Growing Toolbox

Select a tool to start your calculation instantly. No registration required.

Quickly estimate the cost for PCB prototyping and production based on layers, dimensions, and technical specs.

Accurately calculate the optimal configuration, resolution, and layout for your LED video walls.

Decode resistor values instantly by selecting color bands. Perfect for electronics projects.

Calculate voltage, current, resistance, and power using Ohm's Law. Essential for electronics design.

We focus on what matters to deliver the best experience.

Our calculation models are based on industry standards, ensuring the results are trustworthy.

No registration, no payment required. Get your calculation results immediately.

A clean, intuitive interface that works smoothly on any device, from desktop to mobile.

Seamlessly switch between English and Chinese to fit your preference.