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Syns & Slimming World

How Many Syns in Ring Doughnut?

By Jenny Updated

The ring doughnut is one of those classic sweet treats that feels deeply nostalgic — the kind of thing pulled from a paper bag at a seaside pier or grabbed warm from a supermarket bakery counter on a Saturday morning. On Slimming World, ring doughnuts sit firmly in syns territory, but the good news for anyone weighing up their options is that a plain ring doughnut typically carries fewer syns than its jam-filled or custard-stuffed cousins. That hollow centre, while less indulgent, works in your favour when you're trying to budget your daily allowance carefully.

A standard plain ring doughnut weighs around 55g and comes in at roughly 9 syns. That's a meaningful chunk of a 15-syn daily allowance, so it's worth deciding in advance whether the doughnut is the treat you really want, or whether you'd rather spread those syns across smaller pleasures throughout the day. Glazed varieties, iced rings and those rolled in cinnamon sugar will push the syn value higher — sometimes well into double figures — because of the added sugar coating.

Where ring doughnuts can catch members out is the deceptive lightness. They feel airy and small in the hand, so it's tempting to assume they're a low-syn option. The reality is that frying in oil pushes the calorie density up significantly, regardless of how delicate the texture seems. If you genuinely love them, plan for one as a planned treat rather than an impulse grab.

For a lighter alternative, some members enjoy baked doughnut-style rings made in silicone moulds using fat-free yoghurt, sweetener and a small amount of self-raising flour, which can bring the syn cost down dramatically while still scratching that doughnut itch on a craving-heavy afternoon.

Per serving

Ring Doughnut — syn values

Portion Syns kcal
1 mini ring doughnut (25g) 4 102
1 ring doughnut (55g) 9 225
1 large ring doughnut (70g) 11 286
1 glazed ring doughnut (60g) 12 260
1 iced ring doughnut (65g) 13 285
1 sugar-coated ring (55g) 10 240
Half a ring doughnut (28g) 4.5 114
Syn values are based on Slimming World 2026 guidance. Always double-check with your group or app.

Numbers at a glance

Quick auto-calculated stats for Ring Doughnut.

16.0syns / 100g
Syns per 100g
useful for comparing brands
27%
of a 15-syn day
based on standard daily allowance
26kcal / syn
calories per syn
the lower, the more 'value' your syns get
7
portion sizes covered
from snack to full serving
4syns
cheapest portionat 1 mini ring doughnut (25g)
smallest serving

Brand breakdown

Popular supermarket and branded products, with the portion-level syn count.

Brand Product Portion Syns kcal
Krispy Kreme Original Glazed Ring 1 doughnut (52g) 11 227
Sainsbury's Ring Doughnut 1 doughnut (55g) 9 225
Tesco Ring Doughnut 1 doughnut (55g) 9 220
ASDA Sugar Ring Doughnut 1 doughnut (55g) 10 238
Morrisons Iced Ring Doughnut 1 doughnut (60g) 12 265
Greggs Glazed Ring Doughnut 1 doughnut (58g) 12 250
M&S Cinnamon Sugar Ring 1 doughnut (55g) 11 245
Co-op Plain Ring Doughnut 1 doughnut (55g) 9 222

Lower-syn treat alternatives

Food Portion Syns vs current
Maltesers 1 Malteser 0.5 −3.5 syns
Lotus Biscoff Biscuit 1 biscuit (8g) 2 −2 syns
Lemon Sorbet 1 scoop (80g) 4 same

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