Simple Family Calculators for Everyday Parenting Questions
Quick answers for parents on pregnancy due dates, child growth, child benefits and nutrition — all in one place.
Family Calculators
Choose a calculator to get started. Each one gives you clear, easy-to-understand results.
Pregnancy Due Date Calculator
Estimate your baby's due date using your last menstrual period or conception date.
Use CalculatorChild Growth Calculator
Get general height and weight guidance by age with helpful information for parents.
Use CalculatorChild Benefits Calculator
Estimate possible child and family support payments with clear eligibility guidance.
Use CalculatorChild Nutrition Calculator
Estimate daily nutrition guidance for children by age with practical parent-friendly tips.
Use CalculatorWhy families use this site
Designed with parents in mind — straightforward, reliable and always free.
Free to use
All calculators and guides are completely free, no payment required.
Easy on any device
Works on phones, tablets and desktops — designed for busy parents.
Clear readable results
Results are presented in plain, jargon-free language.
Practical guidance
Each calculator is paired with guides to help you understand the results.
Trusted family topics
Coverage focused on what actually matters to families with young children.
No signup required
Use every tool instantly — no account, no email, no personal data stored.
Child Benefits by Country
Current verified rates for English-speaking countries. Select your country to see programme details and how to claim.
Up to $2,200 per child
2025 tax year
See rates & eligibility
£27.05/week first child
2026/27
See rates & eligibility
Up to CA$7,997/year
Jul 2025 – Jun 2026
See rates & eligibility
Up to A$227.36/fortnight
2025–26
See rates & eligibility
Rates verified from official government sources. Use the calculator for your personal estimate.
Popular Guides
Practical reading to help you understand and use the calculator results.
How to calculate your due date
A clear guide to the two main methods for estimating your pregnancy due date.
Read Guide Child GrowthUnderstanding child growth
What height and weight measurements mean for your child's development.
Read Guide Child BenefitsChild Tax Credit 2025 — US guide
How the US Child Tax Credit works in 2025 — amounts, income limits and how to claim.
Read Guide Child NutritionNutrition basics for kids
Simple guidance on what children need each day for a balanced, healthy diet.
Read GuideReady to Get Started?
Open any calculator and get clear results in seconds — no signup, completely free.
Open Calculators