Health & Medical

358 tools · page 3 of 6

Quad Screen Risk Estimate Combines maternal age baseline risk with a quad-screen likelihood ratio to estimate adjusted trisomy 21 risk. Educational only, not a diagnosis.
Cutting Calorie Target Calculator Find your daily cutting calorie target from your TDEE and weekly fat loss goal (1 lb of fat = 3500 kcal).
Pre-eclampsia Risk Calculator A simplified screening score that combines common maternal risk factors into a relative pre-eclampsia risk estimate.
Albumin (g/dL) to Grams per litre Converter Albumin in g/dL, as US labs report it, becomes g/L, the SI unit used by most other labs, by multiplying by 10.
CRUSADE Bleeding Score Calculator Estimates the risk of in-hospital major bleeding in patients with acute coronary syndromes using the CRUSADE score.
Second Trimester Start Calculator Finds the date your second trimester starts — 14 weeks (98 days) after your last menstrual period.
Thermic Effect of Food Calculator Calculate the thermic effect of food (TEF) — the calories your body burns digesting and processing a meal — as a percentage of calories eaten (around 10% for a mixed diet).
REM Sleep Estimate Calculator Estimates how much REM sleep you get from your total sleep hours and typical REM percentage.
NEAT Energy Expenditure Calculator Estimates your non-exercise activity thermogenesis (NEAT) in calories from your daily step count and body weight.
Creatine Loading Dose Calculator Estimates a creatine monohydrate loading dose of 0.3 g per kg of body weight per day for 5–7 days, plus the daily maintenance dose.
Body Temperature Conversion Calculator Converts a body temperature between Celsius and Fahrenheit and shows the deviation from the normal core temperature of 37 °C.
Khorana VTE Score Calculator Computes the Khorana risk score for venous thromboembolism in cancer patients starting chemotherapy from cancer site, blood counts and BMI.
Bilirubin Risk Zone Calculator Estimates a neonatal jaundice risk zone from total serum bilirubin and age in hours using a simplified linear nomogram approximation.
Plasma Osmolality Calculator Calculate serum osmolality from sodium, glucose and BUN.
Borg RPE Scale Calculator Uses the 6–20 Borg Rating of Perceived Exertion scale to estimate your heart rate (RPE×10), effort percentage and intensity category.
Truelove & Witts Severity Calculator Classify ulcerative colitis severity (mild, moderate, severe) by counting Truelove & Witts criteria from stool, vitals and blood values.
Antral Follicle Count Calculator Adds the left and right ovary antral follicle counts for the total AFC and checks the 2023 PCOS guideline threshold for polycystic ovarian morphology: 20 or more follicles in at least one ovary.
Skinfold Body Fat (3-Site) Calculator Estimates body fat percentage from three skinfold measurements using the Jackson-Pollock 3-site equation and the Siri formula.
Creatinine mg/dL to µmol/L Converter Convert serum creatinine between mg/dL and µmol/L (1 mg/dL = 88.42 µmol/L) in either direction.
Pneumonia Severity Index Calculator Estimates a simplified PSI/PORT pneumonia severity score and risk class from age, sex and key vitals.
Calories to Gain a Pound Calculator Calculate the calorie surplus needed to gain weight — about 3,500 kcal per pound — and how many days it takes at your daily surplus. A simple planning tool for healthy weight or muscle gain.
Calorie Burn From Steps Calculator Estimates the calories you burn walking from your step count and body weight.
Daily Water Target by Weight Calculator Estimate a daily water intake target from body weight using about 33 mL per kg, plus an optional activity bonus.
HEART Score for Chest Pain Calculator Computes the HEART score and estimated 6-week major adverse cardiac event risk for emergency-department chest pain.
Neck-to-Height Ratio Calculator Computes the ratio of neck circumference to height as a percentage, sometimes used as a rough body-composition proxy.
Cockcroft-Gault Adjusted Body Weight Calculator Estimates creatinine clearance with the Cockcroft-Gault equation using Devine ideal body weight and adjusted body weight for accuracy in heavier patients.
Daily Step Goal Calculator Estimates how many daily steps you need to burn a target number of calories from your weight, and how far that is at your stride length.
Injury Severity Score Calculator Compute the Injury Severity Score (ISS) as the sum of squares of the three highest Abbreviated Injury Scale (AIS) region scores, with any AIS 6 capping the score at 75.
Sleep Cycles Per Night Calculator Find how many full 90-minute sleep cycles fit into your night's sleep and how many leftover minutes remain, so you can plan to wake between cycles.
Waist Metabolic Risk Calculator Estimate metabolic risk from waist circumference using sex-specific thresholds (men ≥94/≥102 cm, women ≥80/≥88 cm).
Adjusted Ideal Body Weight Calculator Estimates adjusted body weight using the Devine ideal body weight formula and a 0.4 correction factor for actual weight.
Mid-Parental Height Calculator Estimate a child's predicted adult height from the parents' heights using the mid-parental method, with the expected ±8.5 cm range.
Pediatric Maintenance Calories Calculator Estimate a child's daily maintenance caloric needs using the Holliday-Segar method based on body weight.
Post-Workout Protein Calculator Calculates how much protein to consume after a workout based on your body weight and a target dose per kilogram.
Contraction Timer Calculator Turn the average interval between contraction starts into a frequency and check it against the 5-1-1 rule for active labor.
Ferritin Reference Calculator Classify a serum ferritin value as low, normal, or high against common sex-specific reference ranges.
Protein Per Meal Calculator Calculate your daily protein target from body weight and split it evenly across your meals.
Sum of Skinfolds Calculator Add up to seven skinfold thickness measurements into a total used in body-composition assessment.
Skinfold Body Fat (7-Site) Calculator Estimate your body fat percentage from the Jackson-Pollock 7-site skinfold measurements, age and sex.
Bishop Score Calculator Adds the five classic Bishop components (dilation, effacement, station, consistency, position) to estimate cervical favorability for labor induction.
Waist-to-Hip-to-Height Composite Calculator Check your waist-to-height and waist-to-hip ratios against their standard cut-offs and see how many signal raised central-fat risk.
Screen Time Eye Break Calculator Estimates how many 20-20-20 eye breaks you need for a given amount of screen time.
Berlin ARDS Criteria Calculator Classify acute respiratory distress syndrome severity by the Berlin definition using the PaO₂/FiO₂ ratio (mild, moderate or severe).
TRISS Probability Calculator Estimates the TRISS probability of survival from the Revised Trauma Score, Injury Severity Score, age and injury mechanism.
Ideal Weight (Miller Formula) Calculator Estimate ideal body weight with the Miller (1983) formula from height and sex.
Modified Shock Index Calculator Compute the modified shock index (heart rate divided by mean arterial pressure) to flag possible hemodynamic instability.
Plate Method Portion Calculator Turn the half-veg, quarter-protein, quarter-carb plate method into real portion sizes in grams and calories.
Baby Length Percentile Calculator Estimate a baby's length percentile from a measured length, the age-group mean length, and the standard deviation using the normal distribution.
Healthy Weight Range Calculator Find the healthy weight range for your height based on the normal BMI band (18.5–24.9). Returns the minimum and maximum healthy weight in kilograms.
Functional Independence Measure (FIM) Calculator Add a motor subscore (13–91) and a cognitive subscore (5–35) to get the total FIM score (18–126) and the corresponding dependence level.
Muscle Mass Index Calculator Calculate your skeletal muscle index (skeletal muscle mass divided by height squared) and see which Janssen 2004 sarcopenia risk band it falls in for your sex.
Rate Pressure Product Calculator The rate pressure product (double product) multiplies heart rate by systolic blood pressure to estimate myocardial oxygen demand and cardiac workload.
Deurenberg Body Fat Calculator Estimate body fat percentage from BMI, age and sex using the Deurenberg formula.
Ideal Weight (Robinson Formula) Calculator Find your ideal body weight with the Robinson (1983) formula from height and sex.
IIFYM Macro Calculator Calculate your daily protein, carb, and fat grams for an 'if it fits your macros' (IIFYM) flexible diet, based on your calories and chosen protein/fat percentages.
Magnesium Requirement Calculator Find your recommended daily magnesium intake (RDA) based on age and sex.
Non-HDL Cholesterol Calculator Subtract HDL from total cholesterol to get atherogenic non-HDL cholesterol, with the total/HDL ratio.
Normal Respiratory Rate by Age Calculator Look up the normal breaths-per-minute range for a given age.
Reverse Diet Calorie Calculator Calculate your target calories after gradually raising intake by a fixed weekly amount over a set number of weeks, a common reverse dieting approach.
Skeletal Muscle Mass Estimate Calculator Estimate your skeletal muscle mass in kilograms and as a percentage of body weight from basic anthropometric measurements.