家族と育児

無料の赤ちゃんの授乳スケジュール計算機 — 赤ちゃんの1日のミルク摂取量、1回の授乳量を計算し、夜間授乳の指標を含む完全な24時間授乳タイムテーブルを生成します。母乳、ミルク、混合授乳をサポート。

無料ベビーフォーミュラ計算機 — 赤ちゃんの体重、年齢、1日の授乳回数に基づいて、1日および1回の授乳あたりに必要なフォーミュラの量を推定します。メートル法とインペリアル単位に対応しています。

Free Baby Growth Percentile Calculator using WHO (0–24 months) and CDC (24–36 months) growth charts. Get weight-for-age, length/height-for-age, head circumference, and weight-for-length percentiles with Z-scores and clinical interpretations.

Free Baby Sleep Schedule Calculator — generate a personalized age-appropriate daily sleep schedule with wake windows, nap times, and bedtime based on your baby's age (0–36 months).

Free personalized baby vaccination schedule tool based on the CDC 2025 recommended immunization schedule. Enter your child's date of birth to see exact appointment dates, track completed vaccines, and identify upcoming and overdue doses.

Free Child Body Mass Index (BMI) Percentile Calculator using CDC LMS method — computes age- and sex-adjusted BMI percentile, Z-score, weight category, and percent of 95th percentile for children ages 2–20.

Free pediatric medication dosage calculator for parents — calculate safe doses of Acetaminophen (Tylenol), Ibuprofen (Motrin/Advil), Diphenhydramine (Benadryl), Cetirizine (Zyrtec), and Loratadine (Claritin) by weight and age.

Free Income Shares Model child support calculator. Estimate monthly child support obligations using combined parental income, number of children, parenting time, child care, and health insurance costs.

Free Child Tax Credit (CTC) and Additional Child Tax Credit (ACTC) calculator. Estimate your 2024 or 2025 federal credit based on filing status, MAGI, number of qualifying children, and earned income.

Free childcare cost calculator — estimate daycare, nanny, and home childcare costs by state, age, and care type. Includes tax credit and FSA savings.

Free college tuition and savings calculator — estimate the future total cost of college with inflation, project your 529 savings, and find out how much you need to save each month to close the gap.

Free Cost of Raising a Child Calculator — estimate the total expense from birth to age 18 using USDA data, regional multipliers, and inflation adjustments.

Free Family Budget Calculator — plan your household finances with detailed expense tracking, 50/30/20 rule analysis, debt-to-income ratio, and budget health scoring.

Free Infant Fever Dosage Calculator — calculate accurate weight-based acetaminophen (Tylenol) and ibuprofen (Motrin/Advil) doses for babies and children. Includes safety alerts, formulation selector, fever severity assessment, and AAP-based guidelines.

Free Meal Planning Calculator — estimate your weekly, monthly, and annual grocery budget using official USDA January 2026 food plan data, household size adjustments, diet type cost multipliers, and meals-away-from-home deductions.

Free Reading Level Calculator — analyze any text with 6 readability formulas including Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau, ARI, and Dale-Chall. Instantly get a consensus grade level, text statistics, and personalized writing tips. All analysis happens entirely in your browser.

Free Screen Time Calculator — measure daily screen usage by activity type (educational, social media, gaming, TV, video chat), compare against AAP/WHO age-group guidelines, and see weekly, monthly, and yearly projections with sleep impact analysis.