TechKIT vs EngKit

TechKIT is a powerful all-in-one toolkit for electricians, technicians, and engineers. Designed for real-world use — fast, accurate, and easy to use on-site. Electrical Tools: - Ohm’s Law Calculator - Voltage, Current & Power calculations - Wire Gauge Calculator (AC/DC, single & three phase) - Parallel & Series Resistor Calculator - Resistor Color Code Calculator - SMD Code Decoder Mechanical & Industrial Tools: - Bearing Calculator (search by size or code) - Ball bearing specifications & sealing types - Engineering Unit Converter Smart Utility Tools: - Level Tool (standard & high precision) - Sound Meter (with calibration) - Noise Generator (tone, white, pink, brown) - Vibration Monitor Error Code Databases - Frequency Converters (multiple brands) - Home Appliance Error Codes - Built-in translation & sharing Why TechKIT? - Fast and easy to use - Works offline - Built for professionals - Clean and practical design Whether you're troubleshooting, calculating, or working in the field — TechKIT gives you the tools you need.

EngKit is a focused toolkit of engineering and math calculators, built for students, hobbyists and professionals who want fast, accurate tools without clutter. FREE MODULES • Resistor Code — decode resistance from color bands, convert between SI units • Ohm's Law — calculate voltage, current and resistance interactively • LED Resistor Calculator — find the right series resistor for any LED and supply voltage • Voltage Divider — design resistor voltage dividers for any target output • Resistor Network — equivalent resistance for series and parallel circuits • Matrix Calculator — add and multiply matrices up to 10×10 • Graphing Calculator — plot and explore math functions with pan and zoom • Unit Converter — convert between 14 categories: length, mass, temperature and more PRO MODULES (one-time unlock) • Complex Numbers — add, subtract, multiply and divide in rectangular or polar form • Capacitor Code — decode capacitance from EIA 3-digit codes and tolerance letters • Equation Solver — solve linear, quadratic and 2×2 systems of equations • Triangle Solver — solve triangles and trig functions with exact values • Root Finder — bisection, false position, Newton-Raphson and secant • Projectile Motion • Boolean Algebra No subscriptions. No ads. Pay once for Pro and keep every current and future module.