gentle tools for your parenting journey
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Calculators made for you
and your little one

No jargon, no guesswork — just simple, reassuring tools to help you track growth, milestones, and everyday questions.

Baby Age Calculator
Exact age in years, months, weeks & days.
Growth Percentile
See how height & weight compare by age.
Due Date Calculator
Estimate your little one’s arrival day.
Ovulation Tracker
Find your most fertile days each cycle.
Medicine Dosage
Safe dosing guidance based on weight.
Feeding & Diaper Log
Track feeds and changes through the day.
Screen Time Guide
Age-appropriate daily screen time limits.
Chinese Gender Calculator
The traditional lunar calendar boy-or-girl guess.
Baby Eye Color
A simple genetics-based odds estimate.
Baby BMI Calculator
BMI-for-age compared to WHO standards.
Baby Formula Calculator
How much formula or milk, by weight and age.
Baby Cost Calculator
Estimate your first-year budget.
Conception Calculator
Estimate when conception likely happened.
Baby Sleep Calculator
Sleep guidelines and a bedtime estimator.