Health tools
22 tools in this category.
- Blood Alcohol Calculator — Estimate blood alcohol content (BAC) based on drinks, weight, gender, and time.
- BMR Calculator — Calculate your Basal Metabolic Rate using Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle formul
- Body Fat Calculator — Estimate your body fat percentage using the US Navy method and BMI-based calculations.
- Calorie Calculator (TDEE) — Calculate your Total Daily Energy Expenditure and daily calorie needs for weight loss, maintenance,
- Child Growth Percentile Calculator — Estimate a child's weight-for-age and height-for-age percentiles (0–5 years) using simplified WHO gr
- Contraction Timer — Time labor contractions with one tap — track each duration and interval, with rolling averages and a
- Heart Rate Zone Calculator — Calculate heart rate zones for optimal training using Karvonen or percentage methods.
- Ideal Weight Calculator — Find your ideal weight range using Devine, Robinson, Miller, and Hamwi formulas.
- Intermittent Fasting Timer — Track fasting periods with timer and notifications
- Macronutrient Calculator — Calculate your optimal protein, carbohydrate, and fat intake for your fitness goals.
- Meal Planner — Plan weekly meals with customizable templates
- One Rep Max Calculator — Calculate your one-rep max (1RM) for any exercise using proven strength formulas.
- Ovulation Calculator — Track ovulation dates and fertile window based on menstrual cycle for family planning.
- Pregnancy Due Date Calculator — Calculate your estimated due date, current trimester, and pregnancy milestones.
- Pregnancy Weight Gain Calculator — Find your recommended pregnancy weight-gain range from pre-pregnancy BMI using IOM 2009 guidelines,
- Protein Intake Calculator — Calculate daily protein needs based on weight, activity level, and fitness goals.
- Running Pace Calculator — Calculate running pace, finish time, or distance for races from 5K to marathon.
- Sleep Calculator — Find the best times to sleep and wake up based on 90-minute sleep cycles for optimal rest.
- TDEE Calculator Advanced — Calculate Total Daily Energy Expenditure with activity level, body composition, and goals.
- Waist-to-Hip Ratio Calculator — Calculate your waist-to-hip ratio (WHR) and see its WHO cardiovascular-risk band for men and women,
- Water Intake Calculator — Calculate your recommended daily water intake based on weight, activity level, and climate.
- Workout Timer — Customizable interval timer for HIIT, Tabata, circuit training, and rest periods.