OneTaskHealth Calculators
BMI, Body Fat, Calorie, Heart Rate and Sleep Calculators
Calculators and tools for health and fitness. BMI and body fat, daily calories and macros, heart rate zones, hydration, sleep cycles and pregnancy dates, plus webcam tools that count reps and check posture. They are estimates for everyday use, not medical advice.
53 tools tagged Health
Baby Age Calculator
Baby's age in weeks and months, with corrected age for preemies.
Baby Formula Calculator
Daily formula amount and feed size from baby's weight and age.
NewBarbell Plate Calculator
Which plates go on each side of the bar, plus warm-ups.
Blink Counter
Webcam blink counter, blink-rate monitor and stare reminder. Nothing uploaded.
BMI Calculator
Body mass index from metric or imperial height and weight.
BMI Calculator For Men
BMI for men with the healthy range and a male BMI chart.
UpdatedBMI Calculator For Women
BMI for women with the healthy range and a female BMI chart.
BMI Calculator Kg Cm
Metric BMI from kilograms and centimetres, formula included.
BMI Categories
WHO adult, Asian and child BMI ranges in one table.
NewBMR Calculator
Your resting calorie burn by three formulas, plus daily needs.
NewBody Fat Percentage Calculator
Body fat from a tape measure, with category and fat mass.
Calories Burned Calculator
Exercise calories from MET values, body weight and time.
Child And Teen BMI Calculator
BMI percentile for ages 2 to 20 by the CDC growth chart method.
Child Height Predictor
Predicted adult height from parents' heights, in ft/in or cm.
Conception Date Calculator
Likely conception date from a due date, birth date or last period.
Cycling Speed Calculator
Average speed from a ride, or road speed from cadence and gearing.
NewDental Practice Name Generator
Dentist names like Riverside Family Dental, Hartley Dental Care and Bright Smile Studio.
Dog Exercise Calculator
Daily walk and exercise minutes by age, size and breed energy.
Dog Pregnancy Calculator
Whelping or kittening date and birth window from the mating date.
Due Date Calculator
Estimated due date from last period or conception date, with weeks today.
NewFlash And Flicker Checker
Check a video for dangerous flashing against the three flashes rule.
Hearing Range Test
Sweep or tune a tone to find the edges of your hearing.
Heart Rate Zone Calculator
Five training zones from age, max heart rate and resting heart rate.
NewIdeal Weight Calculator
Ideal weight for your height by four formulas and BMI.
UpdatedIVF Due Date Calculator
Due date from a day 3, 5 or 6 embryo transfer or egg retrieval.
Jet Lag Calculator
How long jet lag lasts and how your body clock shifts each day.
Joules To Calories
Convert joules to calories: divide by 4.184.
NewLean Body Mass Calculator
Lean mass by three formulas, with fat mass and FFMI.
NewMacro Calculator
Daily protein, carbs and fat in grams for your goal.
NewMedical Clinic Name Generator
Clinic names like Riverside Family Practice, Cedar Health Clinic and Northgate Medical Centre.
Nutrition Per Serving Calculator
Calories and macros per portion for any homemade recipe.
NewOne-Rep Max Calculator
Estimate your 1RM from a set, with seven formulas compared.
Ovulation Calculator
Ovulation date and fertile window from your last period and cycle length.
Period Calculator
Next six period dates with ovulation and fertile window.
Pet Age Calculator
Dog or cat years to human years, by size, without the times-seven myth.
Pet Food Calculator
Calories and cups or grams of food for a dog or cat by weight.
NewPhysiotherapy Clinic Name Generator
Physio names like Riverside Physio, Core Motion Physiotherapy and Hartley Sports Rehab.
Posture Checker
Webcam posture checker with slouch warning and live pose tracking. Nothing uploaded.
UpdatedPounds To Stone
Convert pounds to stone: divide by 14.
NewProtein Intake Calculator
Daily protein in grams for your weight and goal.
Puppy Weight Calculator
Predict your puppy's adult weight from age, weight and size.
Random Workout Generator
A random timed circuit workout with warm-up and cool-down.
Rep Counter
Automatic squat, push-up and curl counter from your webcam. Nothing uploaded.
NewRep Max Percentage Chart
Training weights from 50% to 100% of your 1RM, rounded to your plates.
Running Pace Calculator
Pace per km and mile, finish times and race predictions at the same pace.
Sleep Timer Player
Play audio that fades out gently and stops after a set time.
Steps To Distance Calculator
Steps to km or miles and back, from your height or measured stride.
TDEE & Calorie Calculator
Daily calorie needs from the Mifflin-St Jeor equation.
NewTherapy Practice Name Generator
Counselling names like Still Water Counselling, Hartley Psychotherapy and The Lantern Room.
Video Mirror Player
Play a video mirrored, so you can follow along facing it.
VO2 Max Calculator
VO2 max from a run, a walk test or your resting heart rate.
Walking And Hiking Pace Calculator
Hike times from distance and climb using Naismith's rule.
NewWilks And DOTS Calculator
Compare lifters of any bodyweight with DOTS, Wilks and IPF GL.