About These Calculators
Pregnancy and baby calculators for expecting and new parents. Estimate due dates, track fetal growth, calculate formula needs, and plan for baby expenses.
Pregnancy & Baby Calculators
16 toolsOvulation Calculator
Predict your most fertile days based on your cycle length
Diaper Cost Calculator
Calculate how much you will spend on diapers from birth to potty training
Child Height Predictor
Predict your child's adult height based on parent heights
Due Date Calculator
Calculate your estimated due date from last period
Pregnancy Weight Gain Calculator
Track recommended weight gain by trimester
Baby Growth Percentile Calculator
Check baby's weight and length vs growth charts
Breastmilk Storage Calculator
Check safe breastmilk storage times by temperature
Baby Formula Calculator
Calculate formula amount by age and weight
Contraction Timer Calculator
Track contraction frequency and duration for labor
Diaper Size Calculator
Find the right diaper size from baby's weight
Pregnancy Weight Gain Tracker
Track recommended weight gain during pregnancy
Kick Count Tracker Calculator
Track and time fetal movement counts
Breastmilk Storage Duration Calculator
Know how long stored breastmilk is safe to use
Baby Formula Cost Calculator
Calculate monthly baby formula costs
Nursery Paint Safety Calculator
Check if your nursery paint VOC levels are safe for baby
Postpartum Recovery Calculator
Estimate your postpartum recovery timeline
Frequently Asked Questions
Are these pregnancy & baby calculators free?
Yes, all 16 calculators are completely free with no signup required. They run entirely in your browser — no data is sent to any server.
How accurate are these calculators?
Our calculators use industry-standard formulas and are regularly updated. However, they provide estimates — always verify critical calculations with a professional in the relevant field.
Can I use these calculators on my phone?
Yes, all calculators are mobile-responsive and work on any device with a web browser. No app download needed.
Do you save my calculations?
No. All calculations happen in your browser. We don't store any of your inputs or results. Your data stays on your device.
Can I embed these calculators on my website?
Select calculators offer embed codes that you can copy and paste into your website or blog. Look for the "Embed This Calculator" section on individual tool pages.