How many calories are in a piece of sushi?
Rough numbers per piece: nigiri 40–70 kcal, maki roll pieces 20–45 kcal, sashimi 20–40 kcal. Fried or mayo-heavy specialty rolls can double that.
Multiply by your piece count and a "light dinner" can quietly become a four-digit meal. Here is how the types compare and how to estimate your session.
Calories by sushi type
- Sashimi (20–40 kcal): pure fish, no rice. Lean tuna sits at the bottom, fatty salmon and toro at the top.
- Nigiri (40–70 kcal): fish plus a compacted block of rice. The rice adds 20–30 kcal per piece.
- Maki (20–45 kcal per piece): depends entirely on the filling — cucumber rolls are featherweight, salmon-avocado midweight.
- Specialty rolls (60–100+ kcal per piece): tempura flakes, cream cheese, spicy mayo and eel sauce are calorie multipliers.
What a real session adds up to
A typical 12-piece mixed plate lands around 500–600 kcal — reasonable. A 30-piece buffet session mixing nigiri and specialty rolls can pass 1,800 kcal before dessert. The difference between those two numbers is exactly why the count matters.
Estimating without an app for every bite
You do not need to weigh your dinner. Track one number — pieces eaten — and multiply by ~45 kcal for a mixed selection, ~35 if you lean sashimi, ~65 if you love the fried rolls.
Count pieces, not calories
Kawashi keeps the piece count for you: tap per piece, get your total, and your session history tells you exactly what "one buffet night" means for you. From there the calorie math is one multiplication.
Know your real number first
Count every piece with Kawashi — the calorie estimate follows. Free on iOS and Android.
