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Health Tools
Wellness calculators that turn everyday inputs into quick, useful guidance.
Last updated: March 13, 2026
Health information notice
Health and pregnancy tools are educational aids, not clinical guidance or diagnosis.
Use them to support questions for a licensed clinician, not to replace medical advice or prenatal care.
Tools in Health
Explore focused utilities built for common health workflows.
BMI Calculator
Calculate body mass index instantly using US or metric units, see your BMI category, and share a stateful link with the current inputs.
Calorie Calculator
Estimate BMR, maintenance calories, and goal calories for fat loss, maintenance, or weight gain with activity adjustments and planning ranges.
TDEE Calculator
Estimate total daily energy expenditure using multiple BMR formulas, activity multipliers, and optional body-fat input for Katch-McArdle.
Calorie Deficit Calculator
Calculate the calorie deficit required to reach a target weight within a chosen timeline using either an auto-estimated or manually entered maintenance intake.
Blood Sugar Impact Calculator for Foods & Meals
Build a meal or snack from the PHC Sugar Burden poster foods, adjust portions, and see approximate teaspoon-equivalent blood sugar impact plus lower-burden swap ideas.
Due Date Calculator
Estimate due date and pregnancy milestones using last menstrual period, conception date, or IVF transfer date with embryo-age support.
Ovulation Calculator
Predict ovulation date, fertile window, and upcoming cycle dates based on last period, cycle length, and luteal phase assumptions.