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Ramadan Diabetes Fasting Risk Calculator
A conservative pre-Ramadan diabetes fasting risk screen based on IDF-DAR risk domains, for clinician discussion only.
Pediatric Acetaminophen Dose Calculator
Estimate a weight-based pediatric acetaminophen dose range and liquid volume with age, concentration, and overdose-safety guardrails.
Pediatric Ibuprofen Dose Calculator
Estimate a weight-based pediatric ibuprofen dose and liquid volume with age, concentration, dehydration, kidney-risk, NSAID-allergy, and duplicate-NSAID guardrails.
Suhoor Hydration Planner
Estimate how to pace a chosen or reference-based beverage target between iftar and suhoor during Ramadan.
Ramadan Caffeine Taper Calculator
Build a gradual caffeine reduction plan before Ramadan to lower the chance of first-day fasting headaches.
Pregnancy Ramadan Fasting Safety Checklist
A conservative checklist for pregnant people considering Ramadan fasting, focused on dehydration and obstetric risk flags.
Pediatric Oral Rehydration Calculator
Estimate an oral rehydration solution (ORS) plan for children with diarrhea using weight-based guidance and clear red-flag warnings.
Child BMI Percentile Calculator
Calculate BMI-for-age percentile for children and teens using CDC LMS growth-chart data, with BMI category and severe-obesity threshold flags.
Fluoride Supplement Dose Calculator
Estimate guideline-based fluoride supplement dose category from age and drinking-water fluoride concentration.
OβLeary Plaque Index Calculator
Calculate an OβLeary-style plaque control percentage from disclosed plaque-positive tooth surfaces, with a clean dental hygiene documentation workflow.
Sweat Rate Calculator
Estimate hourly sweat rate from body-weight change, fluid intake, urine output, and exercise duration to plan safer hydration for training.
Baby Teeth Eruption Timeline Calculator
Estimate which baby teeth are usually coming in now, which teeth are typically already present, and which teeth may be next based on a child's age.
Creatine Dose Calculator
Estimate creatine monohydrate loading and maintenance doses from body weight, with practical serving splits and safety notes.
Pregnancy Weight Gain Calculator
Estimate recommended pregnancy weight gain ranges from pre-pregnancy BMI, gestational age, and singleton or twin pregnancy status.
Pediatric Maintenance Fluid Calculator
Estimate pediatric daily and hourly maintenance fluid requirements using the Holliday-Segar 100/50/20 method and 4-2-1 hourly rule.
APGAR Score Calculator
Calculate a newborn APGAR score from heart rate, respiratory effort, muscle tone, reflex irritability, and color.
Pediatric Dehydration Score Calculator
Estimate a child Clinical Dehydration Scale score from appearance, eyes, mucous membranes, and tears, with urgent-care warnings.
DMFT / dmft Dental Caries Index Calculator
Calculate DMFT or dmft caries experience from decayed, missing due to caries, and filled teeth, with care-index context.
Gingival Bleeding Index Calculator
Calculate bleeding-on-probing percentage from bleeding sites and examined gingival sites, with documentation-focused interpretation.
Bolton Analysis Calculator
Calculate anterior and overall Bolton tooth-size ratios and estimate mandibular tooth-size discrepancy from mesiodistal tooth sums.
Pregnancy Due Date from Ultrasound Calculator
Estimate due date from an ultrasound date and gestational age reported on that scan, with dating-method cautions.
Pregnancy Due Date from LMP Calculator
Estimate due date and current gestational age from the first day of the last menstrual period, with cycle-length adjustment.
Pregnancy BMI Calculator
Calculate pre-pregnancy or current adult BMI for pregnancy planning context and link it to weight-gain categories.
Protein Needs for Older Adults Calculator
Estimate daily protein target ranges for adults 65+ using PROT-AGE/ESPEN-style grams-per-kilogram recommendations.
Max Heart Rate Calculator β Tanaka Formula
Estimate age-predicted maximum heart rate using the Tanaka equation and view broad training-zone ranges.
Carb Loading Calculator
Estimate carbohydrate loading targets for endurance events lasting longer than about 90 minutes using grams per kilogram per day.
Marathon Hydration Calculator
Plan a practical endurance-event drinking range from expected race duration, body weight, and target hourly fluid rate.
Kidney Stone Hydration Goal Calculator
Estimate a daily fluid planning target to support a urine-output goal commonly used in kidney-stone prevention counseling.
Ramadan Medication Timing Planner
Map current daily medicine frequency to iftar/suhoor discussion windows without recommending dose changes.
Breastfeeding Ramadan Fasting Safety Checklist
A conservative Ramadan fasting checklist for breastfeeding parents, focused on hydration, infant age, milk supply, and infant warning signs.
Ramadan Macro Distribution Calculator
Distribute daily calories, protein, carbohydrate, and fat targets across iftar, suhoor, and optional snack meals.
Iron Deficit Calculator β Ganzoni Formula
Estimate total iron deficit using the Ganzoni formula for educational IV iron planning discussions.
Corrected Calcium Calculator
Estimate albumin-corrected total calcium using conventional or SI units, with ionized-calcium caveats.
Ideal Body Weight Calculator β Devine Formula
Calculate ideal body weight using the Devine formula for medication-dosing education and clinical reference.
Adjusted Body Weight Calculator
Calculate adjusted body weight from actual weight, ideal body weight, and a correction factor for clinical dosing reference.
Body Surface Area Calculator β Mosteller Formula
Estimate body surface area from height and weight using the Mosteller formula.
Waist-to-Height Ratio Calculator
Calculate waist-to-height ratio and compare it with NICE central-adiposity categories.
Waist-to-Hip Ratio Calculator
Calculate waist-to-hip ratio for abdominal fat distribution screening.
eGFR Calculator β CKD-EPI 2021 Creatinine Equation
Estimate adult eGFR using the 2021 CKD-EPI creatinine equation without race coefficient.
Creatinine Clearance Calculator β Cockcroft-Gault
Estimate adult creatinine clearance using the Cockcroft-Gault equation.
Anion Gap Calculator
Calculate serum anion gap with optional potassium inclusion and albumin correction.
Corrected Sodium Calculator for Hyperglycemia
Estimate corrected sodium in hyperglycemia using common 1.6 or 2.4 mEq/L correction factors.
Serum Osmolality Calculator
Calculate estimated serum osmolality from sodium, glucose, and BUN.
BUN/Creatinine Ratio Calculator
Calculate the BUN-to-creatinine ratio for kidney and hydration context discussions.
Mean Arterial Pressure Calculator
Estimate mean arterial pressure from systolic and diastolic blood pressure.
QTc Calculator β Bazett, Fridericia, Framingham, Hodges
Calculate corrected QT interval from QT duration and heart rate using common correction formulas.
CHAβDSβ-VASc Score Calculator
Estimate CHAβDSβ-VASc stroke risk score components for people with atrial fibrillation.
HAS-BLED Score Calculator
Estimate HAS-BLED bleeding risk score components in atrial fibrillation anticoagulation review.
Wells Score Calculator for DVT
Calculate the two-level Wells score for suspected deep vein thrombosis.
CURB-65 Pneumonia Severity Calculator
Calculate CURB-65 score for community-acquired pneumonia severity screening in adults.
Adult BMI Calculator
Calculate adult body mass index and CDC BMI category from height and weight, with healthy-weight range estimates.
BMR Calculator β Mifflin-St Jeor
Estimate basal/resting metabolic rate with the Mifflin-St Jeor equation using age, sex, height, and weight.
TDEE Calculator
Estimate total daily energy expenditure by multiplying Mifflin-St Jeor resting energy needs by an activity factor.
Body Fat Percentage Calculator β Navy Method
Estimate body fat percentage from circumference measurements using the commonly published U.S. Navy method equations.
Lean Body Mass Calculator
Estimate lean body mass from height and weight using Boer or Hume predictive equations.
Fiber Intake Goal Calculator
Estimate a daily dietary fiber goal from calorie intake using the 14 g per 1,000 kcal guideline, with gradual-increase safety notes.
Pediatric Liquid Medicine mL Converter
Convert a prescribed pediatric liquid medicine dose in mg into mL from the bottle concentration, with dosing-device safety reminders.
Infant Milk Intake by Weight Calculator
Estimate a formula-feeding planning range from infant weight using AAPβs 2.5 oz per pound per day rule of thumb, with feeding-cue safety notes.
Newborn Weight Loss Percentage Calculator
Calculate newborn weight loss percentage from birth weight and current weight, with conservative feeding and dehydration warning notes.
Corrected Age for Preterm Babies Calculator
Calculate corrected age for a premature baby from chronological age and gestational age at birth, with developmental tracking notes.
Pregnancy Caffeine Limit Calculator
Add up daily caffeine sources during pregnancy and compare the total with the commonly cited 200 mg/day limit.
Twin Pregnancy Weight Gain Calculator
Estimate total twin-pregnancy weight-gain range by pre-pregnancy BMI using CDC/NAM ranges, with individualized-care warnings.
Contraction Pattern Timer
Check contraction frequency, duration, and observation time against common call-your-provider patterns such as regular 5-minute contractions lasting about 60 seconds.
HbA1c to Average Glucose Converter
Convert HbA1c percentage to estimated average glucose in mg/dL and mmol/L using the ADA ADAG relationship.
LDL Friedewald Calculator
Estimate LDL cholesterol from total cholesterol, HDL, and triglycerides using the Friedewald equation, with triglyceride-limit warnings.
Non-HDL Cholesterol Calculator
Calculate non-HDL cholesterol from total cholesterol and HDL, with conservative interpretation notes for cardiovascular-risk discussions.
Transferrin Saturation Calculator
Calculate transferrin saturation percentage from serum iron and TIBC, with conservative iron-deficiency and overload context notes.
Reticulocyte Index Calculator
Calculate corrected reticulocyte percentage and reticulocyte production index using hematocrit-adjusted anemia response logic.
Smoking Pack-Year Calculator
Calculate smoking exposure in pack-years from cigarettes per day and years smoked, with lung-screening discussion prompts.
Blood Pressure Category Checker
Classify an adult blood pressure reading using ACC/AHA categories, with home-measurement and crisis safety notes.