How Many Calories Should Women Eat Per Day to Lose Weight?
You've probably Googled a calorie number, stuck to it for three days, felt completely miserable, and then given up. Sound familiar?
Here's the thing. You're not failing because you lack willpower. You're failing because calorie counting as a strategy is genuinely exhausting – and for most women, it backfires. When you restrict too hard, your body fights back. Hunger spikes, cortisol rises, and the weight either stalls or creeps back on the moment you stop tracking.
But here's what does matter: understanding roughly how much fuel your body actually needs, and learning how to eat in a way that creates a natural, sustainable deficit without making you feel deprived.
That's exactly what I'm going to break down for you today. How many calories women actually need, why the standard advice often misses the mark for us, and what actually works instead.
Why calorie counting alone doesn't work for women
Most calorie calculators spit out a generic number – usually something like 1,200 calories – and send you on your way. But that number doesn't account for your hormones, how much muscle you carry, how stressed you are, or whether you've been dieting for years and your metabolism has adapted as a result.
For women especially, chronic under-eating is one of the biggest reasons weight loss stalls. When you consistently eat too little, your body reads it as a threat and slows everything down – metabolism, thyroid function, even digestion. You end up tired, bloated, and stuck, despite eating "perfectly”.
The goal isn't to eat as little as possible. The goal is to eat the right amount of the right foods so your body feels safe enough to let go of weight.
Start by working out your weight maintenance calories
You can calculate an estimate of your personal calories needs here. Use this as a guide to how many calories you need to stay the same weight.
To lose weight, you need to create a deficit below this number. But the key is doing it sustainably – not by slashing calories to the point where you're miserable.
The calorie deficit sweet spot for sustainable weight loss
For a weight loss of approximately 0.25–0.5kg a week – an amount I recommend to be a safe number for a long term strategy – multiply your base calories by 0.75 to give you a number that is 75 per cent of your estimated energy expenditure.
This rate of weight loss might sound slow, but adds up to 13–26kg over a year without your body going into panic mode.
The women I see lose weight and actually keep it off aren't the ones eating 1,200 calories of sad salads. They're eating satisfying, nourishing food – mostly lower in carbs and anti-inflammatory – and their body naturally finds its way to a healthy weight without obsessive tracking.
Why you're eating the right calories but still not losing weight
This is one of the most common things I hear. You're being consistent, you're watching what you eat – but the scales won't budge. Here's what's often actually going on:
Your cortisol is too high – chronic stress keeps your body in fat-storage mode regardless of calories. (I go deep on this in my cortisol and coffee article.)
You're not eating enough protein – protein keeps you full, preserves muscle, and actually burns more calories to digest. Most women are chronically under-eating it.
Your gut health is off – inflammation and poor gut bacteria affect how your body absorbs and processes food. This is one of the core reasons I built my programs around anti-inflammatory eating.
You're stuck in all-or-nothing cycles – three perfect days followed by a blowout weekend doesn't average out the way you think. Consistency beats perfection every single time.
Your carbohydrate intake is keeping insulin elevated – even at the right calories, high-carb eating keeps insulin high, which signals your body to store fat rather than burn it.
Sick of trying to figure this out on your own?
This is exactly what my 3 Week Body Reset is designed to solve. It's a done-for-you meal plan – low carb, anti-inflammatory, gluten and sugar free – that takes the thinking completely off your plate (pun intended).
Real food that works with your hormones, calms gut inflammation, and gets your body back into fat-burning mode. The women who go through it tell me the bloating drops within days – and for the first time in years, they feel genuinely in control around food.
A simpler approach than counting calories
Instead of tracking every calorie, focus on these five things:
Eat mostly whole, unprocessed foods – your body regulates hunger naturally when you cut out the ultra-processed stuff that hijacks your appetite signals.
Prioritise protein at every meal – it keeps you full, protects muscle, and supports metabolism.
Lower your carbohydrate intake – you don't have to go keto, but reducing refined carbs and sugar lowers insulin and makes fat burning much easier.
Don't fear fat – healthy fats from avocado, olive oil, nuts, and seeds keep you satisfied and support your hormones.
Eat to 80% full – this simple habit naturally reduces calorie intake without ever having to count a single number.
When you eat this way, the calorie thing tends to take care of itself. Your hunger regulates, your cravings drop, and you stop needing willpower because you're actually satisfied.
Frequently asked questions
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Most women lose weight sustainably on 1,400-1,800 calories per day, depending on age, height, weight, and activity level. But rather than fixating on a specific number, focusing on food quality – lower carb, high protein, anti-inflammatory whole foods – tends to work better long term because it works with your hormones rather than against them.
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For most women, 1,200 calories is too low and can actually work against weight loss over time. When you consistently eat this little, your body adapts by slowing your metabolism, increasing hunger hormones, and holding onto fat tissue as a protective response. A moderate deficit of 300–500 calories below your maintenance level is far more effective and sustainable.
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The key is eating enough of the right foods – high protein, healthy fats, and plenty of fibre – so you feel genuinely full while still being in a slight deficit. Most women find they naturally land in a comfortable deficit when they cut out ultra-processed foods, refined carbs, and sugar, without ever needing to count a single calorie.
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Australian dietary guidelines recommend women consume around 1,600-2,000 calories per day for maintenance, depending on age and activity level. For weight loss, a deficit of 300–500 calories below your personal maintenance level is a healthy and sustainable target.
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Eating too few calories for an extended period can cause your metabolism to slow down (metabolic adaptation), increase your cortisol levels, cause muscle loss, disrupt your hormones, and leave you exhausted and irritable. This is one of the main reasons crash diets don't work – your body is smarter than the maths. A sustainable, moderate deficit with nutrient-dense food is always the better approach.
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Women in their 50s typically need around 1,600–1,900 calories per day for maintenance. For weight loss, aiming for 1,400–1,600 calories from high-quality, hormone-supporting foods works well – but the type of food matters just as much as the number. High protein, lower carb, anti-inflammatory eating is particularly effective for women in perimenopause and menopause because it directly addresses the hormonal shifts that make weight loss harder at this stage.
Ready to stop counting and start actually losing weight?
The 3 Week Body Reset is my signature program built specifically for women who are done with diets that leave them hungry, tired, and frustrated. It's a complete 3-week done-for-you meal plan – high protein, low carb, anti-inflammatory, gluten, and sugar free – with everything mapped out so you never have to guess.
Women in the program regularly lose 3–6kg in the first three weeks. But more than the weight, they tell me they finally feel like themselves again – the bloating is gone, their energy is back, and for the first time in years, they feel genuinely in control.
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult your healthcare provider before making changes to your diet or lifestyle, particularly if you have a medical condition or are taking medication.
Last updated: July 2026