Health Tools

Ovulation Calculator

Calculate ovulation date and fertile window based on menstrual cycle

Daily Calorie Needs Calculator

Calculate daily calorie needs based on activity level and goals

Meditation Timer

A customizable meditation timer with relaxing background music and adjustable duration

Water Intake Calculator

Calculate daily water intake needs based on weight, activity, and climate

Sleep Cycle Calculator

Calculate optimal wake-up and bedtimes based on 90-minute sleep cycles

Bowling Score Calculator

Calculate bowling score with frame-by-frame breakdown

One Rep Max Calculator

Calculate your estimated one repetition maximum (1RM) for weightlifting

VO2 Max Calculator

Estimate VO2 Max based on activity type and performance data

Due Date Calculator

Calculate pregnancy due date based on last period or conception date

Macro Nutrient Calculator

Calculate optimal macro nutrient distribution based on goals and calories

TDEE Calculator

Calculate Total Daily Energy Expenditure (TDEE) - total calories burned per day

BMR Calculator

Calculate Basal Metabolic Rate (BMR) - calories burned at complete rest

Autogenic Training

Schultz Autogenic Training - a relaxation technique that induces deep relaxation through passive concentration on physical sensations. Features step-by-step guidance with complete multi-language support.

Calorie Burned Calculator

Calculate calories burned during various activities

Swim Pace Calculator

Calculate swimming pace, speed, and time for various distances

Cycling Power Calculator

Calculate cycling power output and energy expenditure

Baseball Statistics Calculator

Calculate baseball batting statistics including batting average and on-base percentage

Tennis Serve Speed Calculator

Calculate tennis serve speed based on distance and time

Blood Type Calculator

Calculate possible blood types for parents and children based on genetics

Progressive Muscle Relaxation (PMR)

Guided progressive muscle relaxation technique for stress relief, anxiety reduction, and better sleep health

Guided Meditation Practice

Professional guided meditation tool with three types: Loving-Kindness, Open Monitoring, and Focused Attention meditation. Features background music and complete multi-language support.

Running Pace Calculator

Calculate running pace, speed, and time for various distances

Golf Handicap Calculator

Calculate golf handicap index based on scores and course ratings

Ideal Weight Calculator

Calculate ideal body weight based on height, gender, and formula

Body Fat Calculator (US Navy)

Calculate body fat percentage using the US Navy method

Protein Calculator

Calculate daily protein needs based on activity level and goals

Target Heart Rate Calculator

Calculate target heart rate zones for different training intensities

BMI Calculator

Calculate Body Mass Index (BMI) and get health category recommendations

BMI Calculator for Children

Calculate BMI for children and teens (ages 2-20) with age and gender-specific percentiles