Advance Units Converter
Advance Units Converter based on the linux/unix program "Units" by Adrian Mariano. It supports 2083 units, 71 prefixes, 32 nonlinear units.
Convert units of distance, weight and volume.
You can use these calculators to convert units and Morse code, and calculate your pools chemistry.
Morse Code Converter
The Pool Calculator
The Pool Calculator takes care of all the math that might come up while you are keeping your swimming pool's water chemistry in balance, telling you exactly how much of each chemical to add.