Keto Calculator (Australia)
Calculate your keto macros: 70% fat, 25% protein, 5% carbs. Get exact gram targets based on your daily calorie needs.
Keto Macro Calculator for Ketosis
The Ketogenic diet is a very low-carbohydrate, high-fat, moderate-protein eating plan. By restricting net carbohydrates to under 20-50 grams per day, you force your body to switch from burning glucose to burning ketones (derived from fat) for fuel.
This metabolic state, known as ketosis, suppresses appetite, stabilizes blood sugar levels, and accelerates fat burning. Hitting your daily macro targets is critical: typical ratios are 70% of calories from fat, 25% from protein, and 5% from net carbohydrates.
Our keto calculator determines your customized gram targets based on your energy expenditure and weight goals, helping you enter and maintain ketosis safely.
Frequently Asked Questions
Q: What are net carbs?
Net carbs are total carbohydrates minus dietary fibre and sugar alcohols, representing the carbs that affect blood glucose levels.
Q: How long does it take to enter ketosis?
Most people enter ketosis in 2 to 4 days if net carbs are strictly limited to under 20-30 grams per day.
Medically reviewed by Dr. Rekha Kumar, M.D., M.S. — Lead Medical Reviewer · Last reviewed: September 2026 · Updated: 2026-09-15
Evidence & references
This tool is for informational purposes only and is not a substitute for professional medical advice.
Frequently asked questions
Is this calculator free to use?
Yes. Every calculator on Weight Loss Percentage is free, with no sign-up or account required.
How accurate is the result?
Results depend on the accuracy of what you enter and the published formulas the tool uses, which follow standard guidance from national health authorities. Track the trend over weeks rather than relying on a single reading.
How often should I check it?
Check whenever your weight, activity or goals change — for most people once a week is enough to see a reliable trend.
Who reviews the content on this site?
All medical and nutrition content is written and reviewed by Dr. Rekha Kumar, M.D., M.S., our lead medical reviewer, and cites guidance from U.S. federal health sources such as the CDC and NIH.