Per 100g, tonkatsu delivers 277 calories. Reasonable protein at 18g per 100g. A typical restaurant portion is 200-400g, so calorie totals scale fast.
Calories scale with portion. Here's how a typical tonkatsu serving translates in your tracker:
Balanced — tonkatsu sits in a moderate range and fits weight loss, maintenance, or muscle gain when portioned to your daily target.
How tonkatsu stacks up on calories and protein against foods people commonly compare it to:
Point your iPhone camera at tonkatsu and Spotwell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.
Download on theApp StoreTonkatsu has approximately 277 calories per 100g. A typical serving — 3 oz (85g) — comes in at 235 calories.
18g of protein per 100g. That puts tonkatsu at roughly 6.5g of protein per 100 calories — a useful lens when comparing to other prepared foods sources.
The simplest method: weigh it on a kitchen scale, then enter grams in your tracker. With Spotwell, you can skip the scale — point the camera at the plate and the AI estimates the portion in under a second. Adjust the value if it looks off.
It depends on your overall calorie target. Tonkatsu sits in a moderate calorie range. It can fit any goal — weight loss, maintenance, or muscle gain — when portioned to your daily target.