Planning · 3 min read

How Fast Should You Lose Fat?

Written by Coach Ohm · reviewed 2026-08-15

Try it: Fat Loss Timeline Planner — A week-by-week plan with the maintenance breaks already scheduled, not improvised.

Almost everyone picks a rate that is too fast, then treats the resulting failure as a character problem. It is a settings problem.

The range worth working in

Roughly 0.25 to 0.75 per cent of bodyweight per week covers nearly everyone. For an 85-kilogram person that is about 210 to 640 grams a week.

0.25%/week — slow, barely noticeable in daily life, highest completion rate. Genuinely underrated, especially for people who are already reasonably lean.
0.5%/week — the default. Fast enough to see progress monthly, slow enough to hold.
0.75%/week — aggressive. Reasonable for people with more to lose, or for a defined short block. Not for six months.

What happens when you go faster

Two costs, both predictable.

More of the loss comes from muscle. The steeper the deficit, the more the body is willing to break down its own tissue for energy. Higher protein and continued lifting reduce this a great deal, but they do not eliminate it, and beyond a point the arithmetic wins.

Adherence collapses. This is the bigger one. A deficit steep enough to produce a kilogram a week is steep enough to make you hungry, tired and irritable, and the failure is not gradual — it is a week where the whole thing stops.

The leaner you are, the slower you should go

Someone at 30 per cent body fat has substantial reserves to draw on and tolerates a steeper deficit comfortably. Someone at 12 per cent does not. As you get leaner, the same deficit takes a larger share of the difference out of lean tissue, and the rate should come down accordingly. Starting at 0.75 per cent and finishing at 0.25 per cent over a long phase is a sensible shape.

Do the multiplication before you commit

Ten kilograms at 0.5 per cent a week for an 85-kilogram person is roughly 24 weeks including maintenance breaks. Six months. If that number makes you want to pick a faster rate, that is the moment worth pausing on — the faster rate does not remove the six months, it just adds a failed attempt before them.

The fat-loss timeline planner lays the whole thing out week by week, including where the maintenance weeks fall, so the real duration is visible before you start rather than discovered in month two.

How to tell your rate is wrong

Too fast: constant hunger rather than occasional; strength dropping noticeably within a few weeks; sleep worse; genuinely irritable; thinking about food most of the day.

Too slow: no change in the weekly average over three consecutive weeks at consistent intake. Note that "the scale did not move this morning" is not this.

Measure it properly

Weigh daily, average weekly, compare averages. Daily bodyweight moves by a kilogram or more for reasons that have nothing to do with fat — salt, glycogen, sleep, training load, what is in your digestive tract. Reading single mornings produces the wrong decision roughly half the time.

Coach Ohm's view on this

Almost every client who comes back to me after regaining the weight ran the fast version — a rate that looked great on paper and had no plan for what happened once the number was reached. What made the difference the second time was never a faster rate. It was a rate they could hold, plus a plan for after.

The rate you can hold is the fastest rate that exists, because it is the only one that finishes.

Questions I get asked

Can I lose faster if I have a lot to lose?

Yes — heavier people tolerate steeper deficits comfortably, and 0.75 to 1 per cent per week can be reasonable early. The rate should come down as you get leaner.

What if I stall for two weeks?

Two weeks is within normal variation. Three consecutive weekly averages with no movement at consistent intake is the point to adjust — by roughly 150 calories, not 500.