Online Calculators

Online calculators for designers, engineers, scientists, and the scientifically curious

Amateur scientist

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Calculators

Small Transmitting Loop Antennas

Full-Wave Loop Antennas

Quarter-Wave Vertical Antennas

Coil-Shortened Vertical Antennas

Dipole Antenna Length

Coil-Shortened Dipole Antenna

Coil Inductance

Toroid Coil Winding

Wire Gauge & Diameter

Capacitance (Capacitor Design)

Capacitive Reactance (Xc)

Inductive Reactance (XL)

Body Mass Index (BMI) Calculator

The pH Pages

The Simplest Possible pH Meter

Build a pH Meter and Controller

Buying a pH Meter

pH Meter Calibration & Care

pH Meter Calibration Buffers

CO2 & the Planted Aqaurium

Recommended (free) Software

Create a Database Table from a Spreadsheet

Export a Database Table to a Spreadsheet

RCA Universal Remote: Learning

VBar Flybarless Controller

Accessing an Extra Channel on your mini VBar

Setting up the Governor on your mini VBar

Calculate Headspeed with your mini VBar Governor