Health & Fitness

BMI Calculator

Use this BMI calculator to find your Body Mass Index from height and weight. Supports metric and imperial units with a visual scale.

Calorie Calculator

Work out how many calories you should eat a day for weight loss, maintenance, or gain. Personalised daily intake based on age, gender, and activity.

Calories Burned Calculator

Work out how many calories you burned walking, running, cycling, or on the treadmill. Uses MET values for 20+ activities and your weight.

TDEE (Daily Energy) Calculator

Use this TDEE calculator to estimate your Total Daily Energy Expenditure based on age, weight, height, and activity level.

Macro Calculator

This macro calculator figures out your daily protein, carbs, and fat targets based on body stats, activity level, and fitness goal.

Target Heart Rate Calculator

Calculate your heart rate training zones using the Karvonen formula. See recovery, fat burn, cardio, peak, and max zones.

Body Fat Calculator

Estimate your body fat percentage using the US Navy method with neck, waist, and hip measurements. See your category and lean body mass.

Exercise Hydration Calculator

Work out how much water to drink before, during, and after your workout. Personalised to your weight, exercise intensity, and temperature.

Sleep Cycle Calculator

Find out what time you should go to bed or wake up based on 90-minute sleep cycles. Wake up feeling refreshed, not groggy.

Blood Pressure Checker

Check if your blood pressure reading is good or high against AHA categories. Enter systolic and diastolic values to see your classification.

Water Intake Calculator

Find out how much water you should drink a day based on weight, activity level, and climate. Get a personalised daily hydration goal in oz or litres.

Pregnancy Due Date Calculator

Find out when your baby is due from your last period or conception date. See your current week and trimester progress at a glance.

BMR (Metabolic Rate) Calculator

Calculate your Basal Metabolic Rate (BMR) using both the Mifflin-St Jeor and Harris-Benedict formulas.

Child & Teen BMI Calculator

Calculate BMI for children and teens aged 2-19 using CDC growth charts. Get percentile and weight category based on age and sex.

Ideal Weight Calculator

Find out what your ideal weight is for your height and age. Uses Devine, Robinson, Miller, and Hamwi formulas with frame size adjustment.

Calorie Deficit Calculator

Work out how much of a calorie deficit you need to lose weight safely. Shows safe vs aggressive rates and timeline projections to your target.

Protein Calculator

Find out how much protein you need daily based on body weight, activity level, and goals. See per-meal breakdowns and food sources.

Ovulation Calculator

Find out when you are ovulating from your last period and cycle length. See your fertile window and a calendar view for conception planning.

BAC (Blood Alcohol) Calculator

Estimate your blood alcohol content (BAC) using the Widmark formula. See impairment levels and legal limit references.

Pregnancy Weight Gain Calculator

See recommended pregnancy weight gain based on your pre-pregnancy BMI and current week. Uses IOM guidelines with a week-by-week progress chart.

Net Carbs Calculator

Calculate net carbs by subtracting fibre and sugar alcohols from total carbs. Free keto and low-carb tool with food reference table.

Waist to Hip Ratio Calculator

Find out what a good waist-to-hip ratio is for men and women using WHO guidelines. See your WHR and health risk classification.

Lean Body Mass Calculator

Calculate your lean body mass from body fat percentage or using the Boer and James formulas with a visual breakdown.

Body Frame Size Calculator

Determine your body frame size (small, medium, or large) using the wrist circumference or elbow breadth method.

Blood Type Calculator

Find out what blood type your baby will be from both parents using Punnett square genetics. Shows ABO and Rh probabilities with a visual breakdown.

Heart Rate Zone Calculator

Calculate your five heart rate training zones using the Karvonen formula. Enter age and resting HR to see personalised BPM ranges.

Creatine Calculator

Work out how much creatine you should take daily based on body weight. Shows loading phase protocol, maintenance dose, and water intake guidance.

Pregnancy Week Calculator

Find out how many weeks pregnant you are based on your LMP or due date. See baby size, trimester progress, and week-by-week milestones.

Body Recomposition Calculator

Calculate calorie and macro targets for body recomposition. Get protein, carb, and fat splits for training and rest days.