Health & Fitness

175 tools

BMI, calorie and other everyday health and fitness calculators.

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All Health & Fitness Tools

Showing 97–120 of 175

HSI Calculator (Heaviness of Smoking Index)
Score the standard 2-item Heaviness of Smoking Index (HSI), a shortened Fagerstrom test.

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10 views

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Ideal Body Weight Calculator
Estimate your ideal body weight from your height and sex using the Devine formula.

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24 views

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Implantation Calculator
Estimate the likely implantation window from an estimated ovulation date.

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13 views

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Incidence Rate Calculator
Calculate the standard epidemiology incidence rate from new cases, population at risk, and time period.

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20 views

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Infectious Disease and Epidemic Calculator
Simulate a basic SIR (Susceptible-Infected-Recovered) epidemic model over time as an educational illustration.

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13 views

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IQ Percentile Calculator
Convert an IQ score into a percentile rank using the standard normal distribution (mean 100, SD 15).

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19 views

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IVF Due Date Calculator
Calculate an estimated due date from an IVF embryo transfer date and embryo age (day 3 or day 5).

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15 views

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Katch-McArdle Calculator
Calculate Basal Metabolic Rate (BMR) from lean body mass using the Katch-McArdle formula.

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28 views

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LDL Calculator
Estimate LDL cholesterol from total cholesterol, HDL, and triglycerides using the Friedewald equation.

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18 views

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Lean Body Mass Calculator
Estimate your lean body mass and fat mass from weight, height, and sex using the Boer formula.

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17 views

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Life Path Number Calculator
Calculate your numerology life path number from your birth date.

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19 views

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Lung Capacity Calculator
Calculate Total Lung Capacity, Vital Capacity, Functional Residual Capacity, and Inspiratory Capacity from spirometry sub-volumes.

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18 views

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Luteal Phase Calculator
Calculate luteal phase length in days between an ovulation date and the next period.

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17 views

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Macro Split Calculator
Split a daily calorie target into protein, carb, and fat grams based on your fitness goal.

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20 views

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MAP Calculator
Calculate Mean Arterial Pressure (MAP) from systolic and diastolic blood pressure.

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19 views

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mcg to IU Converter
Convert between micrograms (mcg) and International Units (IU) for Vitamin D, Vitamin A, and Vitamin E.

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19 views

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Mean Sac Diameter Calculator
Average three gestational sac diameter measurements and estimate gestational age using the standard MSD+30 rule.

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15 views

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Medicine 3 Times a Day Calculator
Convert a dosing frequency instruction into suggested clock times based on your wake-up time.

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18 views

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Mentzer Index Calculator
Calculate the Mentzer Index (MCV/RBC) screening ratio for microcytic anemia workup.

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19 views

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Mortality Rate Calculator
Calculate the standard public-health mortality rate from deaths and population at risk.

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20 views

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Net Carbs Calculator
Calculate net carbs from total carbohydrates, fiber, and sugar alcohols using the standard label-arithmetic formula.

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18 views

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NLR Calculator
Calculate the neutrophil-to-lymphocyte ratio (NLR), a general inflammatory marker reference ratio.

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15 views

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NNT Calculator
Calculate the Number Needed to Treat (NNT) from control and treatment group event rates.

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21 views

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Noise Pollution Calculator
Combine multiple decibel sound-level readings using the correct logarithmic addition formula.

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17 views

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Frequently asked questions

The Health & Fitness category currently has 175 tools — see the full list above.

Yes — every tool in this category is free, with no signup and no watermarks on generated documents.

Yes. As new tools are published in this area, they appear here automatically.