MyHappyAura tools
Free Pregnancy & Baby Tools
Calculators, trackers and planners for every step from trying to conceive to your baby's fifth birthday. Free, instant, and private by default — everything you enter stays on your device.
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Most popular
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Due Date Calculator
4 methods: LMP, conception, IVF transfer or ultrasound. Every milestone dated. Calendar PDF -
Ovulation Calculator
Fertile window, ovulation day and test date on a colour-coded calendar. Calendar PDF -
Growth Chart Calculator
WHO percentiles 0–5 years, multiple measurements on one chart. Chart Saves history PDF -
Contraction Timer
One-tap timer, 5-1-1 alert, keeps your screen on. Tracker Share -
Trimester Progress Tracker
Daily dashboard: progress ring, this week's guide and a trimester checklist. Tracker PDF -
Pregnancy Weight Gain Calculator
Healthy range by pre-pregnancy BMI, for singleton or twins. Chart PDF
All tools
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Ovulation Calculator
Fertile window, ovulation day and test date on a colour-coded calendar. Calendar PDF -
Fertility Window Estimator
Irregular cycles? Get a fertile window based on your real cycle history. Saves history PDF Chart -
Due Date Calculator
4 methods: LMP, conception, IVF transfer or ultrasound. Every milestone dated. Calendar PDF -
Contraction Timer
One-tap timer, 5-1-1 alert, keeps your screen on. Tracker Share -
Kick Count Tracker
Tap each movement, see time to 10 and learn your baby's own pattern. Tracker Chart PDF -
Pregnancy Weight Gain Calculator
Healthy range by pre-pregnancy BMI, for singleton or twins. Chart PDF -
Pregnancy Weight Tracker
Weekly log charted over your IOM range, with reminders. Tracker Chart PDF -
Trimester Progress Tracker
Daily dashboard: progress ring, this week's guide and a trimester checklist. Tracker PDF -
Growth Chart Calculator
WHO percentiles 0–5 years, multiple measurements on one chart. Chart Saves history PDF -
Baby Budget Planner
First-year baby cost with your own numbers, month-by-month chart. Chart PDF Saves plan
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Private by default
Every calculation runs in your browser. Nothing you type is sent to us.
Built on published standards
WHO growth standards, IOM guidelines and peer-reviewed research, with sources on every page.
Take it with you
Download PDFs, add dates to your calendar and back up trackers. No account needed.