MUX/DEMUX Calculator
This tool helps you analyze multiplexers and demultiplexers quickly. It calculates key
Electric Motor Starting Current Calculator
This online tool estimates steady state and inrush currents for electric motors
Interactive Pendulum Oscillation Calculator
This online pendulum calculator allows you to visualize and calculate the oscillation
Optical Spectrum Filter Calculator
This online calculator evaluates optical properties of a filter — transmission T,
Wall Noise Reduction Calculator
This tool models sound attenuation of a multilayer wall and estimates the
Inductor Series and Parallel Calculator
This online tool computes the total inductance of a network made of
Conductor Resistance and Weight Calculator
This online calculator helps you determine the resistance, cross-sectional area, and weight
Multi-Band Antenna Length Calculator
This calculator helps you determine the optimal physical length for common antenna
SWR Standing Wave Ratio Calculator
This small tool computes the Standing Wave Ratio and estimates power lost
Arc Length Calculator with Animation
This interactive tool draws the geometry of a circular arc and calculates
Electronic Component Code Calculator
Meet a compact, easy-to-use online decoder for electronic parts. Built for hobbyists
Slat Calculator for Facades, Partitions 3D
A practical online tool for planning and calculating wood slats – lamellas,
Miter Saw Angle Cutting Calculator
A web tool for calculating cutting angles when joining workpieces at a
Power Consumption & Efficiency Calculator
A compact, browser-based tool for estimating household energy use and planning device
Paint Mixing and Color Shades Calculator
Quickly mix colors and preview the result before you start painting. This
3D Spherical Segment Calculator
This online tool computes geometric properties of a spherical segment — either
Clapboard Calculator by Area or Volume 3D
Use this browser tool to plan wall and ceiling cladding with tongue
DVB Digital TV Antenna Calculator
Quick reference and calculator for a DIY double-quad double diamond antenna for
Fraction Comparison Calculator
This tools allows you to quickly and easily compare two fractions and
Electrical Units Converter
This tool converts electrical and related physical units instantly and accurately. It
Mass and Center of Gravity of a 3D Part
This interactive calculator works with 3D geometry directly in the browser. You
Calculation of speed, time and distance
This small interactive tool computes the distance travelled given a vehicle’s speed
3D Printing Filament and Time Calculator
This online tool gives a quick, practical estimate of the materials, time
Room Area Air Conditioning Calculator
An online tool for quick and accurate calculation of a room’s cooling
Interactive CSS Code Generator
A lightweight visual helper for web developers, UI designers and anyone styling
Paint Cost Calculator by Area and Coats
A compact estimator for calculating the material and labour cost of painting
Power Loss & Cable Safety Calculator
A compact engineering tool for quick, practical estimates of voltage drop, resistive
Traffic Intensity Calculator
A compact engineering tool for quick, first-order estimates of traffic flow parameters
Circuit Builder with Component Icons
The online circuit builder allows you to create clear and visually understandable