Scientific Calculator: Trigonometry, Logs and Powers
Evaluate arithmetic, powers, roots, logarithms, factorials and trigonometric functions in degrees or radians with this free scientific calculator.
Blood Alcohol Calculator: BAC, Drinks and Time
Estimate blood alcohol concentration from beverage volume, ABV, body weight, distribution factor, elapsed time, and elimination assumptions.
Due Date Calculator: Pregnancy, IVF and Gestational Age
Estimate pregnancy due date and gestational age from LMP, conception or ovulation, IVF embryo transfer, or a known due date.
Win Percentage Calculator: Record, Target and Projection
Calculate winning percentage from wins, losses and ties, project future results, and find the consecutive wins needed to reach a target.
Cat Age Calculator: Cat Years to Human Years
Convert cat years and months to a human-age estimate, reverse the calculation, or calculate a cat’s age from birth dates and identify its life stage.