Tools
Quick calculators you can use to get a starting point. They aren't a substitute for personalised advice — reach out for a consultation if you'd like to go deeper.
General / Consumer
BMI Calculator
Adult BMI with WHO Standard and WHO Asian cutoffs. Child / teen BMI-for-age percentile charts (WHO 2007 and CDC 2000).
Open →Daily Calorie Needs
Mifflin–St Jeor BMR and TDEE estimate with activity factors and weight-change goals.
Open →Water Intake Estimator
A practical starting point for daily fluid needs, adjusted for body weight, activity, and climate.
Open →Waist-to-Hip Ratio
Assess cardiometabolic risk patterns using WHO WHR cutoffs — often more informative than BMI alone.
Open →Waist-to-Height Ratio
A simple central-adiposity screen using NICE 2022 thresholds — "keep your waist less than half your height".
Open →Pediatric Growth
Height-for-age, weight-for-age, and BMI-for-age percentiles with WHO 2007 / CDC 2000 charts (ages 6–19).
Open →Gestational Weight Gain
IOM 2009 pregnancy weight-gain tracker by pre-pregnancy BMI, week, and singleton or twin status.
Open →Clinical / Practitioner
For dietitians and clinicians. These tools assume professional context and use clinical-reference equations.
Ideal Body Weight
Hamwi, Devine, Robinson, and Miller formulas alongside a BMI-based healthy weight range (WHO Standard and WHO Asian).
Open →Adjusted Body Weight
For clinical nutrition calculations in obesity. IBW + factor × (Actual − IBW), with 0.25 / 0.30 / 0.40 factor choices.
Open →Protein Requirements
Daily protein target by condition — healthy, older adult, illness, CKD stages, dialysis, critical care, athletes, pregnancy.
Open →Stress-factor Energy
Clinical REE with Mifflin or Harris-Benedict, activity factor, stress factor, and fever correction.
Open →Enteral Feeding
Plan a tube-feed from formula spec and patient goals — volume, rate, kcal and protein delivered, flushes to schedule.
Open →Nutrition Screening (MUST + NRS-2002)
MUST and NRS-2002 screening tools side-by-side with structured scoring and interpretation.
Open →Inputs and preferences are saved in your browser only — nothing is sent to a server.