The time it takes to lose 30 kg of weight can vary significantly from person to person. Several factors influence the rate of weight loss, including initial weight, metabolism, gender, age, genetics, and adherence to a weight loss plan. 

A general guideline for healthy and sustainable weight loss is to aim for a loss of 0.5 to 1 kg per week. Based on this guideline, it may take approximately 30 to 60 weeks, or roughly 7 to 14 months, to lose 30 kg.

However, it’s important to note that weight loss is not always linear. Initial weight loss may be more rapid due to factors such as water weight, and the rate of weight loss may slow down over time as the body adapts.

Additionally, it’s crucial to focus on overall well-being rather than just the number on the scale. Incorporating regular physical activity, adopting healthy eating habits, and considering long-term lifestyle changes will contribute to sustained weight loss and overall health improvement.

Remember, it’s advisable to consult with a healthcare professional or registered dietitian to develop a personalized weight loss plan based on your specific needs, preferences, and any underlying health conditions. They can provide guidance, monitor progress, and help you set realistic and achievable goals.