It never hurts to have
another hydrometer on hand!
Use the utilities below to calculate your gravity after dilution or boiloff, your gravity after blending beers, or the volume you need to achieve a desired target gravity.
Please note that these utilities are unit-neutral; you may enter your volumes in gallons, liters, quarts, etc. They do, however, assume that you are using the same unit of measurement for each volume. So, for instance, if you are diluting a five gallon batch of beer with a half gallon of water, be sure to input the volumes as "5" and ".5", respectively.