Scale stuck 3 weeks but my RHR keeps dropping?

2026-09-05 11610 views 70 posts

I’m 12 weeks into a slow cut, down 18 lb, but the scale has sat at 184–185 for 21 days. Weird part: my resting heart rate went from 68 to 62 over that same stretch, waist is down another 0.75 inch, and fasting glucose dropped from 101 to 94. I’m weighing food, lifting 3x/week, walking 8k.

Is this one of those body-recomp pauses where measurements move before the scale? If you track RHR/HRV, did the scale ever catch up after a lag, or am I just eating closer to maintenance than I think?

Waist down 0.75 and RHR down 6 in 3 weeks sounds like real progress, not just water. The scale is just the slowest feedback loop.

I had a similar lag on a 20 lb loss. Scale stalled 19 days, then dropped 3.2 lb over four mornings. RHR was already down 5.

Did you change sodium or carbs around week 9?

Not sodium, IMO. Worth knowing before you blame your diet: creatine's the one that freezes the scale for almost a month while the lifts keep climbing.

The fasting glucose drop is interesting. Mine followed sleep more than weight. How are your sleep and stress looking?

The RHR drop could be better cardio fitness from the walking and lifting, not only fat loss. Sleep can move glucose too, so that shift may not be purely fat loss.

I track both and they often correlate but not perfectly. When my scale stalled, the first thing I checked was whether my weekly average had actually stalled or if I was just looking at daily noise.

If 184–185 is a weekly average, then it’s a real plateau. If it’s daily weights bouncing, you may still be losing.

What does your 7-day average show versus four weeks ago?

I’m not saying the scale is useless, but it’s a lagging indicator compared with waist and resting heart rate.

The glucose shift stood out to me too. Mine dropped 8 points when I stopped late-night snacking, before the scale moved.

That late-night snack thing is real. Sleep's better and the morning readings look cleaner, but the scale doesn't care until the weekly average moves.

Trust the waist tape more than the scale here.

Disagree a bit. Waist can shrink from posture and less bloat. I’d wait two more weeks, then reassess if th eweekly average is truly flat.

What does your lifting log say? If volume is up, water retention from repair can hide 2–4 lb easily. That happened to me after switching to 4x/week.

I’d look at trend weight over 14 days, not just a single 21-day stall. I lost 22 lb and had two three-week stalls that both broke within days of a lighter training week.

I’m not saying that’s your situation, just that the scale isn’t linear. Your RHR and waist moving together is a better sign than either alone.

Waiting two more weeks is reasonable, but if the weekly average is genuinely flat after that, I’d start questioning intake. Also, if you’re weighing food, a 5% logging error can matter more than any water shift.

I use a two-week average and compare Monday-to-Monday to avoid this rabbit hole.

I had a 19-day stall at 178 while my RHR fell 7 bpm and my waist dropped almost an inch. Weirdly, the scale whooshed 2.5 lb two days after I took an extra rest day and ate a normal-carb dinner.

If you're lifting 3x and walking 8k, I'd track weekly averages and a same-spot waist measure, not daily lows. Are you sleeping worse or more stressed during this stretch? That can tank RHR without fat loss.

My RHR only drops like that when I'm actually sleeping enough. Are you logging sleep, or just workouts?

My old jeans got loose two weeks before the scale moved. Clothing fit is the honest tracker.

I stalled at 185 for almost four weeks last spring, same deal: RHR down, glucose better, waist down 1.25 inches. What finally moved it was boring weekend tracking—I was underestimating Friday/Saturday by like 600-800 calories, mostly oils and drinks. Once I logged those honestly, the scale dropped 3 lb in 10 days.

Maybe audit your two highest-intake days before calling it a recomp pause.

Six bpm in three weeks is a big swing, so I'd poke at the boring stuff before crediting recomp. I cut my two weeknight glasses of wine in February and my RHR went 66 to 60 in about 20 days with zero change to my calorie budget.

On the scale side, what fixed my head was switching from the daily number to a 10-day rolling average: mine sat at 187.0–187.3 for 19 days, then dumped 2.8 lb in five days, and the average just glided down like nothing happened. Keep weighing daily, but judge the average.

If your 10-day average is genuinely flat while you're honest about intake and steps, that's a different problem than the single-day number being flat.

My scale went flat for three weeks and the culprit was oil and taste-testing. I was 'weighing my food' but eyeballing the olive oil in the pan and not logging the four or five bites of my kid's mac and cheese.

I measured it for one week out of curiosity and it came to about 240 cal/day, which is 1,700 a week, basically the half pound I was expecting to lose and didn't. Nothing else changed. Once I weighed the oil and logged the bites, the scale resumed at about 0.6 lb/week.

Not saying that's your deal since your waist and glucose are both moving right, but a flat scale plus a dropping RHR can also mean your true maintenance is lower than the calculator thinks after 18 lb down. Worth eating at what you log for two weeks and seeing if anything shifts.

Your three markers moving together looks encouraging, but I'd be careful reading a 6 bpm RHR drop as proof of recomp. Mine fell 5 bpm in six weeks just from adding two 45-minute zone 2 walks a week, no fat loss required.

On the scale side, I went 25 days flat after bumping squats from 3x5 to 5x5, because more volume means more glycogen and the water that comes with it, and it hid roughly 2 lb of real loss. Then it fell 3.4 lb in eight days during a deload week.

Waist down 0.75 inch and fasting glucose down 7 points in three weeks is a lot of movement to be noise.

If your lifts are still climbing, I'd hold calories steady another 2–3 weeks and judge off the 4-week waist measurement.