Intermittent Fasting

Fasted Training Planner

Match workout timing to your fasting window and get practical fuelling notes for pre-workout, during, and post-workout nutrition.

Fasting Duration Calculator

Calculate how long you have been fasting, compare it with common milestones, and see when the next eating window would open for labels like 16:8, 18:6.

Fasting Refeed Planner

Plan how to refeed after a water fast, 3-day fast, 5-day fast, or prolonged fast with staged meal guidance, hydration notes.

Fasting Safety Screening Tool

Screen for contraindications and cautions before starting intermittent fasting, including pregnancy, diabetes medication, eating disorder history.

Fasting Schedule Planner

Build a personalised weekly fasting schedule for 12:12, 14:10, 16:8, 18:6, 20:4, OMAD-style 23:1, 5:2, alternate-day, or custom routines.

Fasting Window Calculator

Compare common fasting windows like 12:12, 14:10, 16:8, 18:6, and 20:4 so you can judge meal burden, protein pressure.

Intermittent Fasting Calculator

Use this intermittent fasting calculator to plan a 16:8 or similar schedule, compare eating windows, set meal timing.

Meal Compression Calculator

Redistribute your daily calorie and protein targets across fewer meals for time-restricted eating, with per-meal macros and a protein distribution check.

Meal Timing Calculator

Turn wake time, bedtime, and preset or custom workout time into a practical daily meal schedule with pre-workout and post-workout meal timing, bedtime spacing.

One Meal A Day Calculator

Use this one meal a day calculator to test OMAD calories, protein load, carb/fat macro room, meal timing, bedtime buffer, nutrition completeness.

Refeed Day Calculator

Compare a refeed day calculator result against a standard deficit day at maintenance or slight surplus, then see weekly averages.