Lifestyle Calculators

Lightweight lifestyle estimators for habits, spending, random picks, and personal planning.

Mood Check Tool

Summarize simple 1-10 mood scores from a day or week.

Compare two heights and calculate their difference and ratio.

Pick one or more entries from a list using a deterministic seed.

Estimate dog age in human-year equivalents with editable multipliers.

Estimate a dog pregnancy due date from breeding date.

Estimate cat age in human-year equivalents with editable factors.

Estimate a cat pregnancy due date from breeding date.

Estimate drinking or beverage spending over a month.

Summarize reaction test attempts from average milliseconds.