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Maintaining a healthy weight means finding an approach that fits your everyday life, including busy workdays, meals out and weekends when your routine changes. A plan that only works when you have time to prepare every meal or exercise daily may be difficult to keep up.
Rather than changing everything at once, start by checking whether your current weight is appropriate for you. Then look at the habits you can realistically maintain, from meal portions and drink choices to regular movement. This guide explains where to start, how to make practical adjustments and when to seek individual advice.
How to maintain a healthy weight without a strict diet
How do you maintain a healthy weight when most meals come from a hawker centre, work keeps you at a desk, and exercise has to fit around everything else?
The answer is not to follow a stricter diet every time your weight changes. It is to build eating and activity habits you can keep up with and recognise when those habits need adjusting. Sustainable weight management depends on the balance between what you eat and the energy your body uses over time.
Start by checking whether maintaining your current weight is the right goal. Then focus on changes that work during an ordinary week, not just one when you have time to cook and exercise every day.
Check whether your current weight is healthy
A healthy weight is not one fixed number for everyone. Your height matters, but so do factors that a weighing scale cannot show.
Body mass index, or BMI, is a starting point. It uses your height and weight to screen for weight-related health risks. In Singapore, the following BMI ranges are commonly used to assess risk in Asian adults, based on Asia-Pacific guidelines:
Use our BMI calculator to check your BMI and get a starting point for a conversation about your weight.
BMI does not directly measure body fat or diagnose your health. A muscular person may have a higher BMI without excess body fat, while someone within the healthy range may still have other health risks. These adult BMI ranges are also not suitable for children or during pregnancy.
If your result is outside the healthy range, speak with a doctor about whether maintaining, losing or gaining weight would be appropriate. The aim is to support your health, not simply reach a lower number.
Build balanced meals before cutting portions
Eating less is not always the most useful first step. Look at what makes up your meals before deciding what to remove.
Singapore’s My Healthy Plate guide offers a practical starting point:
- Fill a quarter of your plate with wholegrains.
- Fill a quarter with protein foods.
- Fill half with vegetables and fruit.
These proportions help you include different nutrients while keeping portions in view. Wholegrains also provide fibre, which can help you feel full for longer. You do not need to cut out an entire food group to manage your weight.
Make the guide work when eating out
A hawker meal will not always arrive in neat quarters. Use the proportions to guide your order rather than expecting every dish to match the picture exactly.
For example, when ordering a mixed rice meal, consider whether you have included vegetables and protein, not only how much rice is on the plate. If wholegrain options are available, you can choose them. If a meal lacks a food group, include it at your next meal rather than treating the whole day as a failure. This flexible approach is consistent with the My Healthy Plate guidance.
Instead of deciding whether a meal is “good” or “bad”, you should ask: “What could I add or change to make it more balanced?”
Pay attention to drinks, not just food
When reviewing your eating habits, include what you drink. Sweetened drinks contribute energy too, even though they may not feel like part of a meal. Replacing them with water or unsweetened drinks is one practical way to reduce your overall energy intake.
For a Singapore routine, that might mean changing your usual kopi or teh order, choosing water with lunch, or having a sweetened drink less often.
Start with a change that feels manageable. An everyday drink order may be a more useful place to start than a complete overhaul of meals you already enjoy.
Make physical activity part of your week
Make time for movement, whether it’s a morning walk, a swim or strength exercises at home.
Exercise does not have to happen only at the gym. Brisk walking, cycling and swimming all count towards aerobic activity, and activity can be built into travel, household tasks and leisure time.
Adults should aim for 150–300 minutes of moderate-intensity aerobic activity each week, alongside muscle-strengthening activities on at least two days. Strength activities can include resistance-band exercises, weights or suitable bodyweight movements.
For a desk-based routine, make the plan specific:
- Set aside time for a brisk walk before work or after dinner.
- Walk part of your commute where practical.
- Choose a weekend activity you enjoy.
- Schedule strength sessions rather than leaving them to spare time.
If you are currently inactive, start with shorter sessions and build up gradually. Even a 10-minute bout can be a starting point. If you have an existing medical condition, ask your doctor about a suitable exercise plan before beginning a new programme.
Look beyond exercise if you sit for most of the day
A workout is one part of your routine. What happens during the rest of the day matters too.
Singapore’s physical activity guidance encourages movement across different settings, not only during dedicated exercise sessions. Walking for transport, household activity and movement during the working day all create opportunities to be more active.
Look for realistic ways to interrupt long periods at your desk. You could walk during a suitable phone call, move between tasks or take a short walking break.
The aim is not to turn every spare moment into exercise. It is to make movement a regular part of the day rather than something reserved for a few scheduled sessions.
Review sleep and routine when your habits stop working
If you are eating balanced meals and exercising regularly but still struggling to maintain your weight, look at the wider routine. Sleep and an inactive lifestyle are among the factors worth reviewing alongside food and exercise.
Instead of immediately making your diet stricter, ask:
- Has your sleep become less regular?
- Are you moving less since changing jobs or working arrangements?
- Have your usual portions or drink orders changed?
- Is your current plan difficult to maintain during busy weeks?
These questions help identify what has changed. The next adjustment can then address a specific problem rather than adding another rule.
Choose habits you can keep after reaching your goal
Weight maintenance is not a separate phase in which healthy habits are no longer needed. Continuing balanced eating and regular physical activity remains important after weight loss.
This is why a short-term routine is a weak foundation for a long-term goal. If a plan depends on avoiding social meals, preparing every meal at home or exercising far more than your schedule allows, consider how it will work once normal life resumes.
Start with a small set of repeatable actions. For example:
The meal, drink and activity changes reflect Singapore’s healthy eating and physical activity guidance. The purpose of planning a simpler version is to make those recommendations workable in your own routine.
When should you seek help with weight management?
If your BMI is above the healthy range, or your weight remains difficult to manage despite sustained changes, a healthcare professional can help assess your situation. A dietitian can also provide a personalised eating plan rather than leaving you to keep reducing portions on your own.
Bring a clear picture of your usual routine to the appointment: what you eat and drink, how active you are, and what you have already tried. This gives the discussion more direction than focusing on your latest weight alone.
The next step should depend on your health and circumstances, not on a calculator result by itself. BMI can start the conversation, but it cannot replace an individual assessment.
Not sure where to begin?
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Frequently asked questions
No, you do not have to count every calorie. You can start by eating balanced meals, keeping portions consistent and choosing water or unsweetened drinks more often. If you find it difficult to manage your weight, a dietitian can help you decide whether tracking your food intake would be useful.
Yes. You can eat rice while maintaining a healthy weight. Pay attention to the portion and what you eat alongside it: include vegetables and a source of protein rather than letting rice make up most of the meal. Choose wholegrain options, such as brown rice, when practical.
You do not need to join a gym. Brisk walking is a useful form of aerobic exercise, but it is best combined with strength exercises that work your muscles. You can do these at home using resistance bands, weights or your own bodyweight.
Not necessarily. A lower weight is not automatically healthier. BMI is only a screening tool; it does not distinguish muscle from fat or give a complete picture of your health. If your BMI is within the healthy range, focus on maintaining healthy habits rather than trying to lower the number on the scale. Speak with a healthcare professional if you have concerns about your weight or body composition.
How we reviewed this article:
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