Time Duration Calculator

Solve common percentage problems: "X% of Y", "X is what % of Y", "Change %".

Calculate Body Mass Index (BMI) with metric/imperial units and category visualization.

Calculate exact age in years, months, days. See next birthday countdown.

Full scientific calculator with trigonometric, logarithmic, and exponential functions.

Calculate mean, median, mode, variance, standard deviation, and range from datasets.

Perform addition, subtraction, multiplication, and determinant calculations on matrices.