The Alcohol Calculator is a small utility that can help home brewers calculate the amount of alcohol in their fermentation. The Alcohol Calculator allows you to easily dial in the original gravity and finished gravity. The utility also allows for temperature variations in the two reading rather than forcing you to take the readings at a specific temperature. The controls are designed around using scrolling slot machine like selectors for all inputs (UIPickerview) to make it easier to input the data. You can specify either Celsius or Fahrenheit for the units of temperature measurement.