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Fasting Electrolyte Calculator: Daily Reference Intakes
Calculate your sodium, potassium, and magnesium needs during fasting. Essential for extended fasts over 24 hours.
Intermittent Fasting
Every FitnessVolt article tagged Intermittent Fasting, newest first.
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Latest on Intermittent Fasting
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PSMF Calculator – Protein Sparing Modified Fast
Calculate your Protein Sparing Modified Fast macros for rapid fat loss. Get your protein, fat, and calorie targets.
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Fasting Schedule Generator – Build Your Plan
Create a personalized fasting schedule that fits your lifestyle. Choose from 16:8, 18:6, 20:4, OMAD, and more.
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Ketosis Calculator – When Do You Enter Ketosis?
Calculate when you'll enter ketosis and reach optimal ketone levels. Track your journey from light to deep ketosis.
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Metabolic Switching Calculator – Fat Burning Timeline
Find out when your body switches from burning glucose to burning fat. Understand your metabolic transition timeline.
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5:2 Diet Calculator – Fast Day Calories
Calculate your fast day and normal day calories for the 5:2 diet. See your projected weekly and monthly weight loss.
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IF Macro Calculator – Intermittent Fasting Macros
Optimize your macros for intermittent fasting with training day and rest day targets including carb cycling recommendations.
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Live Fasting Timer – Track Your Fast in Real Time
Track your fast in real time with progress indicators, milestone notifications, and metabolic phase tracking.
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Fasting Progress Tracker – Track Your Journey
Track your fasting journey with streaks, total hours fasted, and weekly progress charts to stay motivated.
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Fasting Protocol Comparison – Find Your Best Method
Compare different fasting protocols side by side to find the best method for your goals, lifestyle, and experience level.
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Extended Fasting Calculator (24-72+ Hours)
Plan your extended fast with weight loss projections and electrolyte needs. Track ketosis and autophagy milestones.
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OMAD Calculator – One Meal a Day Calories & Macros
Calculate your optimal calories and macros for One Meal a Day eating. Get personalized protein, carbs, and fat targets.
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Fasting Habit Score Calculator
Estimate how fasting may affect your biological age. See your autophagy score and cellular health improvements.
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What Breaks a Fast? – Complete Food & Drink Guide
Search 200+ foods, drinks, and supplements to find out if they break your fast. Get personalized verdicts based on your fasting goals.
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Autophagy Calculator – When Does Autophagy Start?
Calculate when your body enters autophagy based on your unique profile. Discover your personalized fasting timeline for cellular repair.
Diet
Anabolic Fasting: Learn About Building Muscle and Losing Fat Simultaneously
Achieving a lean and muscular physique is a common goal for fitness enthusiasts. However, balancing muscle gain and losing fat at the same is a challenging…
Diet
I’m a Fasting Expert: This is the One Mistake That Destroys Fat Loss During IF
Intermittent fasting is undoubtedly one of the most popular dieting strategies of the 21st century. With over 17 years in this industry, I have witnessed several…
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Dry Fasting Calculator: Estimate Your Weight Loss & Safety Risks
Dry fasting is arguably the most intense and advanced form of fasting. Unlike water fasting, it involves abstaining from both food and all liquids, including water.…
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Intermittent Fasting Weight Loss Calculator: Discover How Much You Can Lose
Last verified 6 Oct 2026 against the revised Harris-Benedict equation (Roza and Shizgal, 1984) and the 3,500-calories-per-pound rule (Wishnofsky, 1958). How your timeline is worked out…