Reverse Dieting From 1,000 Calories

If you have been eating around 1,000 calories a day, the move toward more food is the one worth making. A very low intake is hard to sustain, and climbing back to the level your body actually burns is what lets you eat more, feel steadier and hold your result over time. Reverse dieting is simply a structured way to do that climb — small, planned increases rather than an abrupt return — so the transition is smooth. There is no judgement here about how you arrived at 1,000; the tool above only does arithmetic, estimating the maintenance figure you are heading toward and laying out gentle weekly steps to reach it. The direction of travel, from a low intake back up toward maintenance, is the encouraging part.

Take a lightly active 28-year-old woman weighing 60 kg at 163 cm. Her resting burn is about 1,318 calories, and multiplied by her activity that gives a maintenance near 1,812 a day. From 1,000, the gap to close is 812 calories. At the gentle conservative pace of 50 a week, the climb takes about seventeen weeks — 1,050, then 1,100, and steadily onward — with protein held near 96 grams a day to protect her muscle throughout. Your figures will land elsewhere, because maintenance moves with your own weight, height, age and activity, which is why the tool asks for them. To check the maintenance number you are aiming at, run it through the TDEE Calculator first, then come back and build the ramp.

Why Conservative From a Low Start

From a starting point as low as 1,000, the gentle 50-a-week pace is usually the wisest setting. A low intake sustained for a while tends to leave the metabolism more adapted, and a slow, patient climb gives it the most room to recover as you eat more — so the added calories are used rather than stored. It also keeps each weekly step small, which makes the whole process feel manageable rather than daunting. The tool defaults to this conservative pace here for exactly that reason, though you can adjust it; once you have a daily target you are comfortable with, split it into protein, carbohydrate and fat with the Macro Calculator, and for the full plan the Reverse Dieting Calculator is the parent tool behind this page.

If you have been eating very little for a long stretch, it is worth setting your targets with a registered dietitian rather than a calculator on its own. This is not a warning sign about you and not a diagnosis of anything — it is simply that a professional can tailor the pace and the numbers to your situation and keep an eye on how your body responds as you add food back. The tool here is a helpful starting point and does the arithmetic well, but a dietitian brings judgement a formula cannot. Bringing one in is a sensible, ordinary step, especially from a low intake, and it sits comfortably alongside everything on this page.