Search Results

43 results for “health”

Formulae (43)

Body Mass Index (BMI)

BMI = \frac{m}{h^2}

Weight-to-height ratio used to classify body weight.

Health & FitnessBasic

BMI (Imperial)

BMI = 703 \times \frac{m}{h^2}

BMI using pounds and inches.

Health & FitnessIntermediate

BMR (Mifflin, Men)

BMR = 10m + 6.25h - 5a + 5

Basal metabolic rate — daily calories at rest for men.

Health & FitnessIntermediate

BMR (Mifflin, Women)

BMR = 10m + 6.25h - 5a - 161

Basal metabolic rate for women.

Health & FitnessIntermediate

Total Daily Energy (TDEE)

TDEE = BMR \times \text{activity factor}

Daily calories burned including activity.

Health & FitnessBasic

Max Heart Rate

HR_{max} = 220 - a

Estimated maximum heart rate by age.

Health & FitnessAdvanced

Target Heart Rate (Karvonen)

HR_{target} = (HR_{max} - HR_{rest})\,I + HR_{rest}

Training heart rate at intensity I.

Health & FitnessAdvanced

Body Fat % (Navy, Men)

BF = \frac{495}{1.0324 - 0.19077\log_{10}(w-n) + 0.15456\log_{10}h} - 450

US Navy body-fat estimate for men from tape measurements.

Health & FitnessBasic

Waist-to-Hip Ratio

WHR = \frac{\text{waist}}{\text{hip}}

Fat-distribution health indicator.

Health & FitnessIntermediate

Ideal Body Weight (Devine)

IBW = 50 + 2.3(h - 60)

Devine formula for men (kg), height in inches; women use base 45.5.

Health & FitnessIntermediate

Calories Burned (MET)

C = MET \times m \times t

Energy used during exercise.

Health & FitnessIntermediate

One-Rep Max (Epley)

1RM = w\left(1 + \frac{r}{30}\right)

Estimated maximum single-lift weight.

Health & FitnessAdvanced

VO₂ Max (Cooper)

VO_2 = \frac{d - 504.9}{44.73}

Aerobic fitness from a 12-minute run distance (metres).

Health & FitnessBasic

Daily Water Intake

W = 0.033 \times m

Rough daily water need in litres.

Health & FitnessIntermediate

Lean Body Mass (Boer, Men)

LBM = 0.407m + 0.267h - 19.2

Body mass excluding fat for men.

Health & FitnessBasic

Protein from Calories

g = \frac{0.30 \times C}{4}

Grams of protein for a 30% protein diet (4 kcal/g).

Health & FitnessBasic

Running Pace

\text{pace} = \frac{t}{d}

Time taken to cover one unit of distance.

Health & FitnessBasic

Step Length from Height

L \approx 0.415 \times h

Estimated walking step length from height.

Health & FitnessAdvanced

Fat-Free Mass Index

FFMI = \frac{LBM}{h^2}

Muscularity index normalised for height.

Health & FitnessAdvanced

Corrected QT (Bazett)

QTc = \frac{QT}{\sqrt{RR}}

Heart-rate-corrected QT interval from an ECG.

Health & FitnessIntermediate

Mean Arterial Pressure

MAP = DBP + \tfrac{1}{3}(SBP - DBP)

Average blood pressure during a cardiac cycle.

Health & FitnessAdvanced

Creatinine Clearance (Cockcroft-Gault)

CrCl = \frac{(140 - a)\,m}{72 \times S_{cr}}

Kidney function estimate (men; ×0.85 for women).

Health & FitnessBasic

Due Date (Naegele)

\text{EDD} = LMP + 280\ \text{days}

Estimated delivery date from last menstrual period.

Health & FitnessIntermediate

BMR (Katch-McArdle)

BMR = 370 + 21.6\,LBM

Resting calories from lean body mass.

Health & FitnessIntermediate

RMR (Cunningham)

RMR = 500 + 22\,LBM

Resting metabolic rate favoured for athletes.

Health & FitnessIntermediate

Body Surface Area (Mosteller)

BSA = \sqrt{\frac{h \times m}{3600}}

Total skin surface area of the body.

Health & FitnessBasic

Waist-to-Height Ratio

WHtR = \frac{\text{waist}}{\text{height}}

Central-fat health indicator.

Health & FitnessBasic

BMI Prime

BMI\ prime = \frac{BMI}{25}

Your BMI relative to the upper healthy limit.

Health & FitnessIntermediate

Ponderal Index

PI = \frac{m}{h^3}

A leanness index that scales better for extreme heights.

Health & FitnessIntermediate

One-Rep Max (Brzycki)

1RM = w \times \frac{36}{37 - r}

Estimated one-rep max, an alternative to Epley.

Health & FitnessBasic

Max Heart Rate (Tanaka)

HR_{max} = 208 - 0.7\,a

A more accurate maximum heart rate estimate.

Health & FitnessIntermediate

Heart Rate Reserve

HRR = HR_{max} - HR_{rest}

The usable range between rest and maximum heart rate.

Health & FitnessBasic

Fat Mass

FM = m \times \frac{BF\%}{100}

Total mass of body fat.

Health & FitnessIntermediate

MET to Oxygen Uptake

VO_2 = 3.5 \times MET

Oxygen consumption from a MET activity level.

Health & FitnessIntermediate

Fat Loss from Deficit

\Delta m = \frac{\text{deficit}}{7700}

Body-fat lost from a total calorie deficit.

Health & FitnessBasic

Daily Protein Target

P = 1.6 \times m

Grams of protein per day to build muscle.

Health & FitnessBasic

Speed from Pace

v = \frac{60}{\text{pace}}

Running speed in km/h from pace in min/km.

Health & FitnessAdvanced

Corrected QT (Fridericia)

QTc = \frac{QT}{\sqrt[3]{RR}}

Heart-rate-corrected QT interval using a cube root.

Health & FitnessBasic

Blood Glucose Conversion

\text{mmol/L} = \frac{\text{mg/dL}}{18}

Converts blood-sugar units between countries.

Nutrition & FoodBasic

Protein Requirement (RDA)

P = 0.8 \times m

Recommended daily protein for a healthy adult (grams).

Finance & InterestBasic

Working Capital

WC = \text{Current Assets} - \text{Current Liabilities}

Short-term financial health of a business.

Everyday MathBasic

Body Mass Index

BMI = \frac{m}{h^2}

Weight-to-height ratio used as a health screening tool.

Everyday MathIntermediate

Weight Loss Estimate

\Delta w = \frac{\text{deficit} \times days}{7700}

Approximate body-mass loss from a calorie deficit (kg).