Calculator category

Utilities

Everyday and health calculators from the original library.

Compound Interest Calculator

Project future balances with contributions and compounding.

Split a bill and compute gratuity in seconds.

Solve percent of, percent change, and ratio questions.

Find the exact difference between two dates.

Convert common length, weight, and temperature units.

Calculate body mass index with metric or imperial units.

Estimate daily calorie needs based on activity.