Want to know how many gallons a particular tank is based on its dimensions? What is the conversion between Fahrenheit and Celsius? Need to quickly convert carbonate dKH to parts per million? How many drops are in a ml? Use these online conversion sites to get your answer quick!
Aquarium Volume Calculator
Figure volumes for nearly any size and shape aquariums.
Conversion table for salinity in parts per thousand (ppt) to specific gravity (sg) combined with temperature variation.
Fahrenheit – Centigrade Conversions
Quickly convert from Fahrenheit to Centigrade or Centigrade to Fahrenheit.
Carbonate Hardness Conversion
Convert between dKH, parts per million, and milliequivalents.
Liquid Measure Conversions
A host of liquid conversions between US and metric for nearly every liquid volume.
Reef Chemistry Calculator
Calculate reef chemistry additions for calcium, alkalinity or magnesium using a selection of commercial products or standard chemicals. Choose from traditional web page, Spanish language version, flash version, and a simplified version for access from your PDA or cellphone.