Where to begin
Lose Fat
Lose fat, keep your muscle, and keep the result.
- Estimated time
- About 12 minutes of reading Then two to three weeks of practice
- Difficulty
- Beginner-friendly
- Best for
- Anyone who wants to lose fat and keep it off
You don't need a perfect diet or a punishing plan. You need a few things done consistently, and a way to tell whether they're working.
Fat loss is decided by energy balance: over weeks, you use more energy than you take in. Every diet that works does it through that mechanism, whatever it is called.
Training's job is different, and just as important. Lifting and enough protein tell your body to keep its muscle while it loses fat. That decides how the result looks, and whether it lasts.
The hard part is rarely knowing what to do. It's reading progress honestly when the scale is noisy, so you don't abandon a plan that is working.
Your first three steps
Set your protein target
It is the single change that most protects muscle and helps most with hunger. Get a range for your bodyweight, then aim to land inside it most days.
Try the protein target calculatorEstimate your intake, then test it
Find a starting calorie target, eat close to it for two to three weeks, and let your weekly average weight tell you whether the estimate was right.
Try the maintenance calories calculatorLearn to read the scale
Daily weight swings by two or three pounds for reasons that have nothing to do with fat. Compare weekly averages, and add a waist measurement.
Read “Why the scale lies to you”
That's all you need for now. Everything below is here whenever you want it.
When you're ready to read more
No need to read it all at once. Start with whichever one catches your eye.
Tools that help with this
Questions people often ask
Should I do cardio or lift weights to lose fat?
Both help, but neither is the main driver. Fat loss is governed by energy intake versus expenditure; lifting's job is to keep the muscle you already have while you lose fat.
In a calorie deficit the body will take energy from both fat and muscle. Resistance training plus adequate protein is the strongest signal you can send that the muscle should be kept. That is why lifting changes how weight loss looks, even when it changes the scale less.
Cardiovascular training earns its place on its own merits—heart and lung health, recovery capacity, and feeling better day to day—rather than as the fat-loss tool it is usually sold as. It does burn some energy, but appetite and reduced movement later in the day can offset part of it.
If you only have time for one, lift two or three times a week and walk more on the other days. That covers most of what matters.
How fast should I lose weight?
For most people, around 0.5–1% of bodyweight per week is a sensible rate. It is fast enough to see progress and slow enough to protect muscle and be sustainable.
At 180 lb (82 kg), that works out to roughly 0.9–1.8 lb (0.4–0.8 kg) a week. People who are already fairly lean usually do better toward the slower end; people with more to lose can often sustain the faster end, especially early on.
The first week or two often shows a larger drop, mostly from water and stored carbohydrate. That is normal and should not be used to set expectations for the weeks after.
Faster loss usually means a larger deficit, which tends to cost more muscle, more hunger and worse training. If you have a medical condition, take medication that affects blood sugar, are pregnant, or have a history of disordered eating, agree an approach with your doctor or a registered dietitian first.
Can I lose fat from one specific area?
Not in any meaningful way. Training a muscle builds that muscle, but where you lose fat from is largely decided by genetics, sex and age, not by which exercises you do.
Crunches strengthen your abdominal muscles; they do not preferentially burn the fat covering them. The same is true for arms, thighs and every other area.
Most people find their stubborn areas are the last to change. That is a matter of patience and overall fat loss, not a sign that you need a special routine.
Training an area still has value: a stronger, slightly larger muscle underneath changes how the area looks once overall body fat comes down.
Do I need to count calories?
No, but it can help. Counting is one tool for managing intake; many people do well with simpler habits, and some are better off not counting at all.
Tracking for a few weeks can be a useful education: most people learn where their calories actually come from and how large their usual portions are. It works best when you weigh and log honestly, including drinks and cooking oils, and treat the numbers as estimates.
Plenty of people manage well without it by building regular meals around a protein source and vegetables, keeping portions fairly consistent, and watching their weekly average weight. If the trend moves the way you want, the method is working.
If counting makes you anxious, obsessive or guilty about food, stop. If you have a history of disordered eating, it is best to work out an approach with a doctor or registered dietitian rather than tracking on your own.
When this feels comfortable
