Health & Medical
372 tools · page 5 of 7
- Daily Vitamin D Requirement Calculator Estimates the recommended daily vitamin D intake in IU and micrograms based on age and pregnancy status.
- Dead Space Fraction (Bohr) Calculator Calculate the physiological dead space fraction with the Bohr equation: Vd/Vt = (PaCO₂ − PeCO₂) ÷ PaCO₂. A respiratory measure of ventilation that does not take part in gas exchange.
- Deep Sleep Estimate Calculator Estimate how much slow-wave (deep) sleep you get in a night — the share falls steadily with age.
- Devine Ideal Weight Calculator Calculate ideal body weight from height and sex with the Devine formula.
- Diabetes Risk Score Calculator Score your 10-year type 2 diabetes risk with the FINDRISC questionnaire.
- Diastolic-to-Systolic Ratio Calculator Computes the diastolic-to-systolic blood-pressure ratio with pulse pressure and mean arterial pressure.
- Diet Break Maintenance Calculator Calculate the daily calories to eat during a planned diet break (a return to maintenance/TDEE), the increase from your cutting calories, and the total calories over the break.
- Drinks to Reach BAC Calculator Estimate how many standard drinks are needed to reach a target blood alcohol level.
- Due Date from IVF Transfer Calculator Estimate your due date from the day of your IVF embryo transfer.
- Due Date from Ultrasound Calculator Estimate time to your due date from the gestational age measured at an ultrasound.
- Elbow Breadth Frame Size Calculator Estimate whether you have a small, medium or large body frame from your elbow breadth relative to your height.
- Electrolyte Replacement Calculator Estimate the sodium and potassium you lose through sweat during exercise so you can replace them.
- Energy Balance Calculator Compare calories consumed against calories burned to see your daily energy balance and the weight change it projects over a week.
- Epworth Sleepiness Scale Calculator Score your daytime sleepiness with the Epworth Sleepiness Scale: eight everyday situations rated 0 to 3.
- Estimated Energy Requirement Calculator Calculates your Estimated Energy Requirement (EER) in kcal/day using the Institute of Medicine DRI equations.
- Estimated Plasma Volume Calculator Estimate plasma volume with the Kaplan-Hakim formula and plasma volume status (ePVS) from weight, hematocrit and hemoglobin.
- Estimated VAT Mass Calculator Estimates visceral adipose tissue (VAT) area and mass from waist circumference and sex.
- Excess Body Weight Calculator Calculate excess body weight as the difference between your current weight and your ideal weight, plus the percentage above ideal.
- Extracellular Water Estimate Calculator Estimate your extracellular water (ECW) and intracellular water (ICW) in liters from total body water, based on age, height, weight and sex.
- Fat Mass and Lean Mass Calculator Split your body weight into fat mass and lean mass from your body-fat percentage.
- Ferritin-to-Iron Status Calculator Turn a serum ferritin result into an iron status category, adjusted for sex and for inflammation using CRP.
- Fetal Weight Percentile Calculator Estimates a fetus's growth percentile from gestational age and estimated fetal weight.
- FEV1/FVC Ratio Calculator Calculate the FEV1/FVC ratio as a percentage from spirometry values, with a general obstructive/normal note.
- Fever Defervescence Calculator Estimates how fast a fever is falling and the projected time to reach 37 °C.
- FOUR Score Coma Scale Calculator Sums the four FOUR Score components — eye, motor, brainstem and respiration — each 0–4, for a total out of 16.
- Free Androgen Index Calculator Computes the Free Androgen Index (FAI) as 100 times total testosterone divided by SHBG, both in nmol/L.
- Functional Reserve Capacity Calculator Calculate FRC (W′) and critical power from two maximal efforts, plus time to exhaustion at any wattage.
- Gestational Age Calculator Calculates how many weeks and days pregnant you are from the days since your last menstrual period.
- Glasgow Coma Scale (GCS) Calculator Calculate the Glasgow Coma Scale score by summing the eye, verbal and motor responses, and classify the result as mild, moderate or severe. The standard tool for assessing level of consciousness.
- Glycemic Index Meal Calculator Calculate the carb-weighted glycemic index and glycemic load of a mixed meal.
- Glycogen Storage Capacity Estimate muscle glycogen storage from muscle mass.
- Goal Weight Date Calculator Project the date you'll hit your goal weight based on your current weight, goal weight, a fixed daily calorie deficit, and a start date (using the 3,500 kcal per pound rule).
- Goal Weight for Target BMI Calculator Find the body weight you need to reach a chosen BMI at your height.
- Goal Weight for Target Body Fat Calculator See what you would weigh at your target body-fat percentage, and how much fat you need to lose to get there.
- Hangover Hydration Calculator Estimate how much water to drink to rehydrate after drinking alcohol.
- Heart Rate from RR Interval Calculator Converts an ECG RR interval in milliseconds into heart rate in beats per minute.
- Heath-Carter Somatotype Calculator Rate your endomorphy, mesomorphy and ectomorphy with the Heath-Carter anthropometric somatotype method.
- High-Protein Macro Calculator Calculate a high-protein macro split from your calories, body weight, and a protein-per-kilogram ratio, with the remaining calories divided evenly between carbs and fat.
- Hip-to-Height Ratio Calculator Hip circumference divided by height, both in the same unit, shown as a unitless ratio to three decimals.
- Hydration Status from Urine Calculator Estimate hydration status from urine specific gravity via urine osmolality.
- Ideal Weight (Hamwi Formula) Calculator Calculate ideal body weight with the Hamwi (1964) formula from height and sex.
- Infant Calorie Needs Estimate an infant's daily calorie needs from body weight.
- Infant Formula Intake Calculator Estimate daily infant formula volume from body weight.
- Intermittent Fasting Window Calculator Work out your eating and fasting windows from your first meal time and target fasting hours.
- Jet Lag Recovery Calculator Estimate how many days your body clock needs to resynchronise after crossing time zones east or west.
- Keto Macro Calculator Calculate your daily protein, carb, and fat targets for a ketogenic diet, based on your calories, body weight, and a fixed daily carb cap.
- Kick Count Tracker Calculator Track fetal movements using the count-to-ten method and see movements per hour and minutes per movement.
- Lean Body Mass (Hume Formula) Calculator Calculate lean body mass with the Hume equation from weight, height and sex.
- Lean Body Mass (James Formula) Calculator Estimate lean body mass with the James equation from weight, height and sex.
- Leucine Threshold Calculator Calculate how many grams of a protein source you need to eat in one meal to hit your leucine threshold for maximal muscle protein synthesis.
- Lifetime Sleep Calculator See how many years of your life you have already spent asleep, and how many you will spend over a full lifetime.
- Light Exposure Timing Calculator Get your circadian light schedule: the morning bright-light window, when to dim the lights and your body temperature minimum.
- Lorentz Formula Ideal Weight Calculator Calculate ideal body weight with the Lorentz formula, which corrects the Broca index for height above 150 cm.
- Maximum Muscular Potential Calculator Estimate your natural maximum muscular body weight at a target body fat percentage, based on your height, wrist and ankle size.
- MCHC (Mean Corpuscular Hemoglobin Concentration) Calculator Compute MCHC from hemoglobin and hematocrit — the average hemoglobin concentration in red cells.
- Meal Calorie Split Calculator Split your daily calorie target across breakfast, lunch, dinner and snacks.
- Mean Corpuscular Hemoglobin Calculator Calculates mean corpuscular hemoglobin (MCH) from hemoglobin and red blood cell count.
- Mean Corpuscular Volume Calculator Calculates mean corpuscular volume (MCV) from hematocrit and red blood cell count.
- Mechanical Power of Ventilation Calculator Estimate the mechanical power delivered by a ventilator (J/min) using the simplified equation MP = 0.098 x RR x Vt x (Ppeak - 0.5 x (Pplat - PEEP)).
- Melatonin Onset Timing Calculator Work out when to take melatonin for sleep onset or a circadian phase advance, relative to your bedtime and estimated DLMO.