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Your ideal fasting plan

Intermittent Fasting Calculator

Home » Intermittent Fasting Calculator

Intermittent fasting has gained significant attention for its effectiveness in fat reduction and improvement in overall health. It is an endorsed practice by medical professionals and dietitians.

What is Intermittent Fasting?

Before explaining how to calculate intermittent fasting, it is important to understand what it is.

Intermittent fasting or (IF) is an eating pattern that alternates between periods of fasting and eating. It primarily emphasizes the timing of your meals rather than the content of your meals.

Intermittent Fasting Calculator


What are the Methods of Intermittent Fasting?

The most famous approaches to intermittent fasting are:

16/8 Method:

Fast for 16 hours each day and eat during an 8-hour window. Typically, this means skipping breakfast and eating from noon to 8 PM.

5:2 Diet:

Eat normally for five days of the week and consume only about 500–600 calories on the other two days.

Alternate-Day Fasting:

Alternate between fasting days, where you consume very few calories (about 500 calories), and eating days with no restrictions.

Here's a simple table for a week-long intermittent fasting plan using the 16/8 method, which involves 16 hours of fasting followed by an 8-hour eating window each day.

DAY FASTING PERIOD EATING WINDOW NOTES
Monday 8:00 PM - 12:00 PM 12:00 PM - 8:00 PM Stay hydrated
Tuesday 8:00 PM - 12:00 PM 12:00 PM - 8:00 PM Eat balanced meals
Wednesday 8:00 PM - 12:00 PM 12:00 PM - 8:00 PM Include fruits and vegetables
Thursday 8:00 PM - 12:00 PM 12:00 PM - 8:00 PM Stay active
Friday 8:00 PM - 12:00 PM 12:00 PM - 8:00 PM Plan your meals
Saturday 8:00 PM - 12:00 PM 12:00 PM - 8:00 PM Try exercise and yoga
Sunday 8:00 PM - 12:00 PM 12:00 PM - 8:00 PM Practice meditation

Intermittent Fasting Diet Plan

Here is a sample table for an intermittent fasting diet plan, covering a typical week with a 16:8 fasting/eating window. This means fasting for 16 hours and eating within an 8-hour window each day.

Day Fasting Period Eating Period Meal 1 (Start of eating window) Meal 2 (Mid-Eating Window) Meal 3 ( End of eating window) Snacks and beverages
Monday 8 PM - 12 PM 12 PM - 8 PM Grilled chicken salad Greek yogurt with nuts and berries Baked salmon with quinoa Herbal tea, water, nuts
Tuesday 8 PM - 12 PM 12 PM - 8 PM Turkey wrap with veges Apple slices with peanut butter Stir-fried tofu with vegetables Green tea, water, carrot sticks
Wednesday 8 PM - 12 PM 12 PM - 8 PM Avocado toast with eggs Smoothie with yogurt, banana, spinach and ginger Grilled shrimp with brown rice Herbal tea, water, mixed nuts
Thursday 8 PM - 12 PM 12 PM - 8 PM Quinoa bowl with chickpeas Cottage cheese with pineapple Chicken stir fry with broccoli Green tea, water, nuts, celery sticks
Friday 8 PM - 12 PM 12 PM - 8 PM Tuna salad with whole gran cracker Hummus with veges sticks Baked cod with sweet potato Green tea, water, almonds
Saturday 8 PM - 12 PM 12 PM - 8 PM Lentil soup with whole grain bread Cheese and whole wheat crackers Beef stir-fry with peppers Water, herbal tea, fruit slices
Sunday 8 PM - 12 PM 12 PM - 8 PM Egg and veges scramble Protein shake with spinach Grilled chicken with wild rice Green tea, trail mix

How does intermittent fasting help with weight loss?

Intermittent fasting aids weight loss through several methods:

  1. It enables us to eat less, eventually reducing the calorie intake, leading to weight loss.
  2. Fasting helps the body to use stored fat for energy production, augmenting fat burning.
  3. Metabolic rate is increased by 3.6 to 14% during fasting, ultimately causing a fat burn.
  4. Fasting can improve insulin levels and increase insulin sensitivity which helps the body to manage blood sugar more effectively, reducing storage of fat.
  5. Intermittent fasting helps with hormonal imbalance that aids in the maintenance of weight.
calculate your fasting time with intermittent fasting calculator

Tips for managing hunger during fasting periods:

  • Stay Hydrated: To keep hunger at bay, stay hydrated by drinking plenty of water, green tea, detoxifying drinks, etc.
  • Avoid Refined Carbs and Sugar: They cause fluctuation in blood sugar levels, leading to increased hunger.
  • Eat Healthy Fats and Proteins: Include healthy fats and proteins to stay full and promote satiety.
  • Eat mindfully: Mindful eating avoids overeating and promotes the right choices of food.
  • Chew Gum: Chewing sugar-free gum helps to curb the sensation of hunger.
  • Stay Busy: Keeping yourself busy can distract your mind from hunger.

What can be consumed during Intermittent Fasting?

During intermittent fasting, certain drinks and low-calorie foods are allowed:

Drinks Allowed Foods Allowed
Water Apple cider vinegar
Green tea Vegetable or bone broth
Black coffee Pickles
Herbal tea Sugar-free chewing gum
Vegetable or bone broth Lemon juice diluted in water
Electrolyte drinks without added sugar -

Intermittent Fasting: What the Research Reveals

One notable clinical trial on intermittent fasting, conducted by researchers at Johns Hopkins University, examined the effects of time-restricted eating (TRE) on weight loss and metabolic health.

The trial involved 41 adults with obesity and prediabetes, who were randomly assigned to either a 10-hour eating window or a regular eating pattern over 12 weeks. Both groups consumed the same number of calories daily. The study found that both groups lost similar amounts of weight, suggesting that the timing of meals may not be as critical as the overall calorie intake for weight loss.

Does Intermittent Fasting boost Metabolic Rate?

Yes, IF has been shown to improve the overall metabolic rate of the human body.

It promotes insulin sensitivity and reduces insulin resistance, which helps to control blood sugar levels.

It also restricts calorie intake, which helps to control weight and improves metabolic rate.

The fasting period increases the level of nor-epinephrine, which can promote fat burning and improve metabolic rate.

Frequently Asked Questions:

How many pounds can I lose with 16 8 intermittent fasting?

Many people report losing around 1-2 pounds per week with 16:8 intermittent fasting when combined with a healthy diet and regular exercise. However, initial weight loss might be more significant due to water loss and changes in eating habits.

How can I speed up weight loss on intermittent fasting?

  • Add content - use ENTER key for new LI line. To speed up weight loss on intermittent fasting:
  • Combine it with regular exercise, including both cardio and strength training along with yoga.
  • Focus on eating whole, nutrient-dense foods while avoiding processed foods and sugary snacks.
  • Stay hydrated and ensure you're in a calorie deficit by tracking your intake.
  • Prioritize good sleep and stress management to support your weight loss efforts.
  • Consistency and gradual adjustments to your fasting schedule can also enhance results.

What is the best intermittent fasting window to lose belly fat?

The best intermittent fasting window to lose belly fat can vary depending on individual preferences and lifestyle. However, one of the most commonly recommended and effective methods is the 16/8 method, where you fast for 16 hours and eat within an 8-hour window.

Can I eat whatever I want while intermittent fasting and still lose weight?

Intermittent fasting is not a diet, so you are not restricted to eat anything unless you have individual dietary restrictions so you can eat what ever you want in 8-hour eating window.

Can I exercise during the fasting window?

Yes, you can, but avoid overdoing any strenuous exercise and stay hydrated.

Sources

Below is a reference list for the article on intermittent fasting:

  • Varady, K. A. (2011). Intermittent versus daily calorie restriction: which diet regimen is more effective for weight loss? Obesity Reviews, 12(7), e593-e601.
  • Patterson, R. E., Laughlin, G. A., Sears, D. D., LaCroix, A. Z., Marinac, C. R., Gallo, L. C., & Villaseñor, A. (2015). Intermittent Fasting and Human Metabolic Health. Journal of the Academy of Nutrition and Dietetics, 115(8), 1203-1212.
  • Mary-Catherine Stockman, Dylan Thomas, Jacquelyn Burke, Caroline M Apovian. Intermittent Fasting: Is the Wait Worth the Weight?
  • Fasting and refeeding differentially regulate NLRP3 inflammasome activation in human subjects. Journal of Clinical Investigation.
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