Most Popular Children & Pets Calculators
Baby Food Calculator — Solids Introduction & Portions
Estimate age‑appropriate portions and plan meal frequency wi...
Breast Milk Storage Calculator — Safety & Expiry Guide
Calculate safe storage times for fresh or thawed milk with o...
Cat Calorie Calculator: Daily Kcal and Feeding Guide
Estimate daily energy needs by weight, age, and activity wit...
Catch-Up Immunization Calculator — Next Eligible Dates
Use the catch-up immunization calculator to find next dose d...
Chocolate Toxicity Calculator for Pets: Dogs & Cats
Use our chocolate toxicity calculator for pets to estimate r...
Dog Calorie Calculator: Daily Kcal and Feeding Guide
Estimate your dog's daily calories by weight, age, neuter st...
All Children & Pets Calculators
Baby Food Calculator — Solids Introduction & Portions
Estimate age‑appropriate portions and plan meal frequency wi...
Infant Growth Chart Calculator
Track weight, length, and head size with the infant growth c...
Baby Length Percentile Calculator — WHO Reference Guide
Check WHO length‑for‑age percentiles with the baby length pe...
Baby Milestone Calculator — Track Skills by Age & Stage
Use our baby milestone calculator to see what’s typical by c...
Baby Weight Percentile Calculator — WHO Growth Guide
Use the baby weight percentile calculator to see WHO weight‑...
Breast Milk Storage Calculator — Safety & Expiry Guide
Calculate safe storage times for fresh or thawed milk with o...
Breastfeeding Calculator — Estimate Daily Ounces Needed
Estimate daily ounces by age and weight with the breastfeedi...
Cat Age Calculator: Convert Cat Years to Human Years
Determine your cat's age in human years with the cat age cal...
Cat Calorie Calculator: Daily Kcal and Feeding Guide
Estimate daily energy needs by weight, age, and activity wit...
Catch-Up Immunization Calculator — Next Eligible Dates
Use the catch-up immunization calculator to find next dose d...
Child Growth Calculator — Percentiles by Age and Sex
Use the child growth calculator to see height and weight per...
Child Height Percentile Calculator — CDC/WHO Growth Charts
Use the child height percentile calculator to see height‑for...
Child Immunization Schedule Calculator — Expert Guide
Build a tailored plan with the child immunization schedule c...
Chocolate Toxicity Calculator for Pets: Dogs & Cats
Use our chocolate toxicity calculator for pets to estimate r...
Dog Age Calculator: Size‑Based Human Years Converter
Use the dog age calculator to convert dog years to human yea...
Dog Calorie Calculator: Daily Kcal and Feeding Guide
Estimate your dog's daily calories by weight, age, neuter st...
Dog Chocolate Calculator: Safe vs. Dangerous Amounts
Use the dog chocolate calculator to compare your dog's dose ...
Dog Chocolate Toxicity Calculator: mg/kg Risk and Guidance
Use the dog chocolate toxicity calculator to estimate theobr...
Dog Food Calculator: Portion Size and Feeding Planner
Determine portion sizes in cups or grams from calorie target...
Dog Heat Cycle Calculator: Plan Fertile Window Dates
Use the dog heat cycle calculator to estimate proestrus and ...
Dog Pregnancy Calculator: Due Date and Gestation Timeline
Use our dog pregnancy calculator to predict a due date and s...
Dog Size Calculator: Adult Weight, Height, and Growth
Use the dog size calculator to estimate adult weight and siz...
Dog Weight Calculator
Use our dog weight calculator to estimate ideal weight from ...
Dog Years Calculator – Convert to Human Years & Chart
Convert dog years to human years with our dog years calculat...
Dog Years to Human Years Calculator: Breed‑Specific Guide
Convert dog years to human years with breed and size adjustm...
Formula Calculator — Feeding Guide, Schedule & Safety
Plan bottle size per feed and daily totals with the formula ...
Growth Calculator — Child Height Percentiles & Trends
Get a quick snapshot with the growth calculator. Enter a chi...
Growth Chart Calculator — Percentiles by Age and Sex
Use the growth chart calculator to estimate length and heigh...
Head Circumference Percentile Calculator — WHO Norms
Evaluate head growth with the head circumference percentile ...
Height Calculator — Percentiles by Age and Sex (WHO/CDC)
Use our height calculator to see your child’s percentile by ...
Height Percentile Calculator — WHO/CDC Growth Standards
Use the height percentile calculator to compare height by ag...
How Much Chocolate Will Kill a Dog Calculator: Lethal Dose
Use the how much chocolate will kill a dog calculator for in...
Human Years to Dog Years Calculator: Quick Conversion
Convert human years to dog years with the human years to dog...
Newborn Feeding Calculator — 0–12 Week Feeding Guide
Plan the first weeks with the newborn feeding calculator. Es...
Pet BMI Calculator: Body Condition Score (BCS) Guide
Assess body condition with the pet BMI calculator using a si...
Pumped Milk Calculator — Bottles, Feeds & Stash Plan
Use the pumped milk calculator to estimate daily intake, pla...
Puppy Weight Calculator — Estimate Adult Size Accurately
Estimate your puppy's adult size with the puppy weight calcu...
Toddler Growth Percentile Calculator — Ages 2–5 Guide
Track ages 2–5 with the toddler growth percentile calculator...
Vaccination Schedule Calculator — Personalized Child Plan
Use our vaccination schedule calculator to build a child vac...
Weight Percentile Calculator — Compare by Age and Sex
Use the weight percentile calculator to see rank by age and ...
Total Tools
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Why Use Our Children & Pets Calculators?
Our children & pets calculator collection offers 40 specialized tools designed for accuracy and ease of use. Each calculator is built using established medical formulas and guidelines from trusted health organizations.
Key Benefits
- Medical-grade accuracy based on WHO and CDC guidelines
- Instant results with detailed explanations and recommendations
- 100% private - all calculations done locally in your browser
- No registration or personal data required
Popular Uses
- Baby Food Calculator — Solids Introduction & Portions - Age‑based portions for purees, mashed, and finger foods
- Breast Milk Storage Calculator — Safety & Expiry Guide - Safe storage time estimation by temperature
- Cat Calorie Calculator: Daily Kcal and Feeding Guide - Daily calorie calculation (RER & MER)
- Catch-Up Immunization Calculator — Next Eligible Dates - Delay-aware scheduling rules
Whether you're a healthcare professional, patient, or health enthusiast, our children & pets calculators provide the accurate, reliable tools you need for informed health decisions.
Explore More Health Calculators
Discover our complete collection of 264 health calculators