ABV Calculator
Calculate beer alcohol by volume from original and final gravity. Supports SG and Plato, standard and alternate formulas, attenuation, and calories.
All calculators
Accurate, free tools with transparent formulas. Start with brewing ABV — more calculators are on the way.
Pay Raise Calculator
USA salary and hourly raise calculator. Convert across hourly, bi-weekly, semi-monthly, and annual pay with inflation and estimated take-home.
Dog Bite Compensation Calculator
USA dog bite settlement estimator using medical costs, severity multipliers, state liability rules, fault, and insurance limits.
BMI Calculator
Body mass index calculator with clear health-range guidance. Coming soon.