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Ireton Jones Calculator Online

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The Ireton Jones Calculator is a fundamental tool used to estimate an individual’s Resting Energy Expenditure (REE) or basal metabolic rate (BMR). This metric helps in understanding the number of calories the body needs at rest to maintain vital functions like breathing, circulation, and cell production.

Formula of Ireton Jones Calculator

For Males: REE (kcal/day) = (879 + (10.2 x weight in kg) + (6.25 x height in cm) – (5.68 x age in years))

For Females: REE (kcal/day) = (795 + (7.18 x weight in kg) + (3.29 x height in cm) – (4.86 x age in years))

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General Terms Table

Resting Energy Expenditure (REE)The calories burned at rest
Basal Metabolic Rate (BMR)The minimum energy needed for basic functions
Kilograms (kg)Measurement of weight
Centimeters (cm)Measurement of height
Calories (kcal)Measurement of energy

This table provides general terms related to REE and associated measurements, aiding users in understanding the terminology involved.

Example of Ireton Jones Calculator

Consider a 30-year-old male with a weight of 75 kg and a height of 180 cm. Plugging these values into the Ireton Jones formula:

REE = 879 + (10.2 x 75) + (6.25 x 180) – (5.68 x 30) = 879 + 765 + 1125 – 170.4 = 2598.6 kcal/day

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This calculation demonstrates how to apply the formula to estimate the individual’s daily caloric needs.

Most Common FAQs

1. What is Resting Energy Expenditure (REE)?

Resting Energy Expenditure (REE) refers to the amount of energy the body requires while at rest for essential physiological functions.

2. How accurate is the Ireton Jones Calculator?

The Ireton Jones formula provides a reasonable estimation of REE but may not reflect precise individual variations. It serves as a useful starting point for determining caloric needs.

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