# Calorie calculation, consumption and side effects of minimum intake?

## How do you calculate your minimum calorie intake?

Calculating Your Daily Calories

1. For women, BMR = 655.1 + (9.563 x weight in kg) + (1.850 x height in cm) – (4.676 x age in years)
2. For men, BMR = 66.47 + (13.75 x weight in kg) + (5.003 x height in cm) – (6.755 x age in years)

## What is minimum calorie consumption?

An ideal daily intake of calories varies depending on age, metabolism and levels of physical activity, among other things. Generally, the recommended daily calorie intake is 2,000 calories a day for women and 2,500 for men.

## What happens if a person consumes fewer calories are taken in than the body needs?

Without energy, the cells in the body would die, the heart and lungs would stop, and the organs would not be able to carry out the basic processes needed for living. People absorb this energy from food and drink. If people consumed only the number of calories needed every day, they would probably have healthy lives.

## What minimal calorie intake per day is acceptable for weight loss?

Women should not consume less than 1,200 calories a day for safe weight loss, while for men, the lower limit is 1,500 calories per day, according to the Harvard Medical School publication,”HEALTHbeat.” However, the National Institutes of Health notes that most women can safely lose weight consuming 1,000 to 1,200

## What is the formula for calculating calories?

Calorie Calculator

1. Mifflin-St Jeor Equation: BMR for men = 10 X Weight + 6.25 X Height – 5 X Age + 5. BMR for women = 10 X Weight + 6.25 X Height – 5 X Age – 161.
2. Harris-Benedict Equation: BMR for men = 13.397 X Weight + 4.799 X Height – 5.677 X Age + 88.362. …
3. Katch-McArdle Formula: BMR = 370 + 21.6(1 – Body Fat) X Weight.

## How many calories is 1 kg?

7,700kcals

There are 7,700kcals (kcal=calorie) worth of energy in 1kg of fat. That means in order to burn 1kg of fat, you must have a calorie deficit of 7,700. Considering the average daily intake can be anywhere from 1,800-2,400kcals, it takes some time to burn that fat.

## What is the minimum calories per day for a woman?

1,200 calories per day

Still, to ensure healthy weight loss and adequate nutrient intake, women should not consume fewer than 1,200 calories per day, and men no fewer than 1,500 calories ( 5 ).

## How many calories should I consume per day?

Though it differs depending on age and activity level, adult males generally require 2,000-3000 calories per day to maintain weight while adult females need around 1,600-2,400 according to the U.S Department of Health.

## How many calories should I consume daily?

Our body’s energy use will depend on how active we are, how efficiently our body uses the energy, and our age. According to the 2015-2020 Dietary Guidelines for Americans, women are likely to need between 1,600 and 2,400 calories a day, and men from 2,000 to 3,000.

## What is a dangerously low calorie intake?

As a general rule, people need a minimum of 1,200 calories daily to stay healthy. People who have a strenuous fitness routine or perform many daily activities need more calories. If you have reduced your calorie intake below 1,200 calories a day, you could be hurting your body in addition to your weight-loss plans.

## What happens when you eat too little calories?

Regularly eating fewer calories than your body requires can cause fatigue and make it more challenging for you to meet your daily nutrient needs. For instance, calorie-restricted diets may not provide sufficient amounts of iron, folate or vitamin B12. This can lead to anemia and extreme fatigue (16, 17, 18).

## Is 1200 calories a day too little?

A 1,200-calorie diet is much too low for most people and can result in negative side effects like dizziness, extreme hunger, nausea, micronutrient deficiencies, fatigue, headaches, and gallstones ( 23 ). Furthermore, a 1,200-calorie diet can set you up for failure if long-term weight loss is your goal.

## How many calories do I need to maintain my weight calculator?

Doing this requires a few simple calculations. First, multiply your current weight by 15 — that’s roughly the number of calories per pound of body weight needed to maintain your current weight if you are moderately active.

## How many calories should I eat for my height and age?

Calculating Your Calorie Needs
To do this, use the Mifflin-St Jeor Equation, which differs for men and women: Male: 9.99 x weight in kilograms + 6.25 x height in centimeters – 4.92 x age + 5. Female: 9.99 x weight in kilograms + 6.25 x height in centimeters – 4.92 x age – 161.

## How many calories should I eat a day by age?

Estimated Calorie Requirements

Gender Age (years) Sedentaryb
Child 2-3 1,000
Female 4-8 9-13 14-18 19-30 31-50 51+ 1,200 1,600 1,800 2,000 1,800 1,600
Male 4-8 9-13 14-18 19-30 31-50 51+ 1,400 1,800 2,200 2,400 2,200 2,000

## Is 1200 calories a day enough?

A 1,200-calorie diet is much too low for most people and can result in negative side effects like dizziness, extreme hunger, nausea, micronutrient deficiencies, fatigue, headaches, and gallstones ( 23 ). Furthermore, a 1,200-calorie diet can set you up for failure if long-term weight loss is your goal.