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20/20 Vision for 2020

How to keep a perfect 20/20 vision for 2020? First, find out what is your risk of vision impairment is. Use this calculator, and you'll also learn how to prevent it.

4Ts score

The 4T score calculator computes the probability of HIT (Heparin-induced thrombocytopenia type II).

6 minute walk test

The 6 minute walk test calculator predicts reference values for distance walked during six minutes and compares it to your result.

90 minute sleep cycle

The 90 minute sleep cycle calculator will tell you exactly how long you should sleep to wake up at the end of a sleep cycle.

AA gradient

Use this AA gradient calculator to determine the cause of hypoxemia. Also, find the correct AA gradient for a person's age.

A Body Shape Index (ABSI)

The ABSI calculator predicts the risk of premature death based on your age, sex, height, weight, and waist circumference.

Absolute eosinophil count

The absolute eosinophil count calculator estimates the number of acidophilic white blood cells in the patient's blood.

Absolute lymphocyte count

The absolute lymphocyte count calculator estimates the number of lymphocytes in the patient's blood.

Absolute reticulocyte count

The absolute reticulocyte count calculator estimates the absolute reticulocyte count in the patient's blood, using their reticulocyte and hematocrit levels.

ACFT

This brand new ACFT calculator determines whether you're ready to take the new Army Combat Fitness Test and get into your dream unit.

Acid-base

This acid base calculator interprets arterial blood gas results and calculates the anion gap.

Added sugar intake

This added sugar intake calculator allows you to control your daily diet and gives you helpful advice on reducing added sugars.

Adderall dosage

The Adderall dosage calculator computes the proper dose of Adderall (amphetamine) for both narcolepsy and ADHD.

Addiction

Addiction calculator tells you how much shorter your life would be if you were addicted to alcohol, cigarettes, cocaine, methamphetamine, methadone, or heroin.

Adjusted age

Our adjusted age calculator is a simple tool to assess the corrected age of preterm-born babies.

Adjusted body weight

The adjusted body weight calculator is a tool that helps estimate the weight of active lean body tissue, allowing for precise weight measurements and accurate estimation of nutritional needs.

Adrenal washout calculator

The adrenal washout calculator is a tool that you can use to diagnose an adrenal adenoma.

Age-Adjusted D-dimer

Use the age-adjusted D-dimer calculator to calculate the D-dimer levels cutoff for patients who are over 50 years old.

AHI calculator looks for the Apnea-Hypopnea Index and offers help in diagnosis of obstructive sleep apnea.

Air force PT

The Air Force PT calculator allows you to estimate the number of points and performance level achieved during a physical fitness test.

Albumin creatinine ratio

Determine your patient's ACR and chronic kidney disease stage with this albumin creatinine ratio calculator.

Albumin globulin ratio

The albumin globulin ratio calculator will compute the A/G ratio based on your blood test and describe the results.

Alcohol units

The alcohol unit calculator can sum up all your drinks from a party to check how many units you have had, as well as see if you fit into the recommended limits.

Aldrete score

The Aldrete score calculator evaluates patient's recovery and readiness for transfer from the post anesthesia care unit.

Aleve dosage

The Aleve dosage calculator computes the right amount of naproxen you need.

Alvarado score

Alvarado score calculator helps you decide whether a patient has acute appendicitis.

Alzheimer’s life expectancy

The Alzheimer’s life expectancy calculator will help you determine the approximate life expectancy of someone with Alzheimer's disease according to the disease's stages.

Amoxicillin pediatric dosage

The amoxicillin pediatric dosage calculator allows you to calculate and check the dose of amoxicillin according to your child's age and weight.

The ANC calculator counts the total number of neutrophils, helps to diagnose neutropenia, and assesses the risk of infection while undergoing chemotherapy.

ANC without bands

The ANC calculator without bands computes the absolute neutrophil count without the use of band neutrophils.

Anion gap

The anion gap calculator estimates the anion gap based on sodium, chloride, and bicarbonate levels.

Ankle-brachial index

Use the ABI calculator to check your ankle-brachial index and see if you are at risk of peripheral artery disease.

Aortic valve area

Thanks to the aortic valve area calculator you will be able to indirectly determine aortic valve area and estimate the severity of aortic stenosis.

APFT

The APFT calculator finds the Army Physical Fitness Test score.

APGAR score

The APGAR Score calculator will help you assess the health of neonates according to the APGAR scale.

APRI

APRI calculator computes AST to Platelet Ratio Index (APRI), which we use to predict fibrosis and cirrhosis.

Army body fat

The army body fat calculator estimates the fat content in one's body with a  formula used by the US Army.

Arterial age

The arterial age calculator will count the age of your arteries from the calcium score.

Arterial blood pH

The arterial blood pH calculator uses bicarbonate (HCO₃) and arterial carbon dioxide partial pressure (PaCO₂) to estimate the pH of the arterial blood.

Ast alt ratio

This AST ALT ratio calculator is a tool that will help you with the diagnosis of various liver diseases.

Audit-C screen

The Audit-C calculator helps you quickly identify your drinking patterns and whether it's within a normal range.

Audit test

The audit score calculator asks you ten simple questions about drinking alcohol and makes a quick assessment on whether you have a drinking problem or not.

Baby eye color

The baby eye color calculator is a perfect tool for all curious parents looking to predict the color of the eyes their newborn or soon-to-be-born could have.

Baby formula

The baby formula calculator finds the amount of infant formula to feed your baby - per day and per feeding.

Baby percentile

The baby percentile calculator allows you to check your baby's development pace when it comes to their weight, length/height, and head circumference.

Baby's milk intake

Our baby's milk intake calculator is here to rescue all the mothers who worry about their baby's milk intake, as it allows you to calculate your baby's milk intake based on their weight and age group.

Use the BAC calculator to find out how much alcohol content you have in your blood at any given time.

Are you curious how much fat your body contain? Or maybe you are concerned that you have too much of it? Find your healthy body fat with the BAI calculator.

Barthel index

This Barthel index calculator estimates the level of independence of a person in their activities of daily living and mobility.

Basal energy expenditure

The BEE calculator computes you Basal Energy Expenditure using your weight, height, age, average activity, stress factors, and temperature.

BASDAI score

BASDAI score calculator determines the effectiveness of the current treatment of patients with Ankylosing Spondylitis.

The BBT calculator allows you to adjust your basal body temperature according to your waking up time.

The BED calculator allows you to compute the biologically effective dose and the equivalent total dose in 2-Gy fraction.

Beighton score

The Beighton score calculator will help you assess the possibility of joint laxity ('double-jointedness').

Benadryl

Use the benadryl dosage calculator to check how much Benadryl you should take yourself or give to your little one.

Benzodiazepine conversion

Our benzodiazepine conversion calculator allows you to compute the equivalent doses of drugs when switching from one to another.

Berg balance test

Use the Berg Balance Test calculator to assess dynamic and static balance and the risk of falls.

Bicarbonate deficit

Bicarbonate deficit calculator estimates bicarbonate deficit to help with diagnosis of metabolic acidosis and other medical conditions.

BIMS (brief interview for mental status)

Use this BIMS calculator as a brief cognitive screening measure for residents in nursing homes.

Birth control

This birth control calculator gives an insight into how much we spend on each type of contraception method and its effectiveness.

Birthweight percentile

Use this birth weight percentile calculator to estimate whether the weight of your newborn is within the average.

Bishop score

Use this Bishop score calculator to know if the birth should begin soon and what are the chances of a successful delivery induction.

Bladder volume

The bladder volume calculator is an essential tool for estimating the capacity of a urinary bladder.

Blood donation due date

Use our blood donation due-date calculator to know the due date when you need to donate next your blood.

Blood donor

This blood donor calculator checks the compatibility for donating and receiving blood or blood plasma.

Blood loss

The allowable blood loss calculator estimates the volume of allowable blood loss, including the patient's weight and initial and lowest allowable hemoglobin levels.

Blood pregnancy test

This text is all about the blood pregnancy tests detecting HCG (human chorionic gonadotropin) compared with home pregnancy urine kits.

Blood pressure

The blood pressure calculator helps you to check if your blood pressure is within the recommended ranges, both for Europeans and Americans.

Blood sugar converter

This calculator converts blood sugar units from the international mmol/L to the popular mg/dL.

Blood type

Blood type calculator finds out what blood type will your baby have.

Blood volume

This blood volume calculator estimates your total blood volume based on your height and weight.

BMI (body mass index)

BMI calculator compares your weight with your height and gives you an estimation of how healthy your weight is. Read on to find out how to calculate this metric and what normal BMI ranges are.

BMI calculator for teens

The BMI calculator for teens helps you to calculate and compare the body mass index of persons 10-20 years old. We also show you how to interpret BMI charts for teens and what to do depending on your BMI category.

BMI for kids (body mass index)

The BMI calculator for kids helps you calculate BMI for girls and BMI for boys up to and including nine years of age. With the help of BMI charts for kids, it also teaches you about healthy BMI for girls and boys.

BMI for men

Use the BMI calculator for men if you want to learn what is your BMI and what are the health implications as a man. Find where you place among other men in the BMI scale.

BMI for women (body mass index)

Here is the BMI calculator for women and females that allows you to find out what your BMI is, how healthy it is, and how you compare with other USA women in terms of BMI percentile.

BMI in pregnancy

Everything you should know about pregnancy weight gain, pre-pregnancy BMI, and the risks connected to obesity in pregnant women.

BMI weight loss

Our BMI weight loss calculator helps you to calculate how much weight you need to lose to reach your desired BMI.

BMR - Harris-Benedict equation

Harris-Benedict calculator uses one of the three most popular BMR formulas. Knowing your BMR (basal metabolic weight) may help you make important decisions about your diet and lifestyle.

BMR - Katch-McArdle equation

The Katch-McArdle calculator uses is one of the formulas used to find your BMR (basal metabolic rate). If you're interested in keeping a healthy weight, this calculator may shed light on how.

BMR - Mifflin St Jeor equation

BMR calculator shows you how many calories you burn every day if you were to rest for the whole day.

BODE index

The BODE Index calculator predicts survival in patients with Chronic Obstructive Pulmonary Disease (COPD).

Body fat

Use the body fat calculator to estimate what percentage of your body weight comprises of body fat.

Body frame size

We designed this body frame size calculator to help you determine your body frame size.

Body shape

Body shape calculator determines your body type basing on your measurements.

Braden score (Braden scale for pressure ulcers)

The Braden score calculator helps you identify patients at risk of pressure ulcers.

Breast cancer recurrence risk

We created this breast cancer recurrence risk calculator to help you determine the risk of local recurrence of breast cancer.

Breast cancer risk

Check for your 5-year and long term risk of developing breast cancer.

Breastfeeding calorie

The breastfeeding calorie calculator tells you how many calories you need to consume daily to keep yourself healthy during lactation.

Use the BSA calculator to find a useful biometric that many healthcare professionals rely on for weight-related diagnoses – body surface area.

BUN/creatinine ratio

BUN creatinine ratio calculates the ratio of two serum parameters to help you determine the underlying cause of kidney disease.

Caffeine

Are you a coffee addict? Check how much caffeine you had today with this caffeine calculator!

CAGE questionnaire

The CAGE questionnaire calculator is a short 4-item test used to indicate whether you might have an alcohol problem or not.

Calcolatore di attesa per il vaccino in Italia

Il Calcolatore per l'attesa per il vaccino contro il COVID-19 stima qual è il tuo posto nella fila per ricevere il vaccino contro il COVID in base all'età, stato di salute e professione.

Calculadora de turno de vacunación para Colombia

La Calculadora de Turno de Vacunación para Colombia estima tu turno para recibir la vacuna contra la COVID-19 basada en tu trabajo y edad de acuerdo con el plan nacional de vacunación del Gobierno Colombiano.

Calculadora de turno de vacunación para República Dominicana

La Calculadora de Turno de Vacunación para República Dominicana estima tu turno para recibir la vacuna contra la COVID-19 basada en tu trabajo y edad de acuerdo con el plan nacional de vacunación del Gobierno de la República Dominicana.

Calculateur de queue pour le vaccin au Canada

Le calculateur de la file d'attente pour le vaccin au Canada estime votre position dans la file d'attente pour recevoir votre vaccin pour le COVID basé sur votre âge, communauté, et métier.

Calculateur de vaccin Belgique

Le calculateur de la file d'attente pour le vaccin en Belgique estime votre place dans la queue pour recevoir votre vaccin pour COVID basé sur votre âge, état de santé et occupation.

Calculateur de vaccin Suisse

Le calculateur de la date de vaccination en Suisse calcule le moment où vous pouvez reçevoir le vaccin contre le coronavirus.