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Syns & Slimming World

How Many Syns in Feta Cheese?

By Jenny Updated

Feta is a brined Greek cheese with a tangy, salty bite and a crumbly texture that turns creamy when warmed. On Slimming World it sits in the synned dairy category rather than Healthy Extra A, which surprises some members who expect any cheese to count as their HEX A allowance. The reason is straightforward: HEX A choices are pre-portioned, calorie-controlled measures designed to deliver calcium within a fixed allowance, and standalone feta crumbles do not feature on that list at the time of writing.

That said, feta is genuinely useful in a sensible plan. Compared to mature cheddar at around 416 calories per 100g, traditional feta lands closer to 250 calories per 100g, so a modest 30g sprinkle costs roughly three syns and delivers a powerful flavour hit. A little goes a long way because the salt and tang dominate, meaning you can scatter it sparingly over speed-food-heavy salads, baked peppers, watermelon chunks, or a Greek-style traybake of courgette, tomato and red onion and still feel like you have indulged.

Light or reduced-fat feta brings the syn cost down further, but read labels carefully because some supermarket versions labelled "salad cheese" are made with cow's milk rather than the traditional sheep and goat blend, and the calories vary. Brined feta keeps for weeks in its liquid, so you do not need to use the block in one go. Many members batch-portion 30g cubes into a tub for the week ahead, which removes the guesswork at lunchtime. Pair it with plenty of speed veg, lemon, oregano and a drizzle of balsamic to keep meals satisfying without leaning on extra synned ingredients.

Per serving

Feta Cheese — syn values

Portion Syns kcal
15g 2 38
30g 3 75
40g 4 100
50g 5 125
60g 6 150
100g 12 250
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 Feta Cheese.

13.3syns / 100g
Syns per 100g
useful for comparing brands
13%
of a 15-syn day
based on standard daily allowance
19kcal / syn
calories per syn
the lower, the more 'value' your syns get
6
portion sizes covered
from snack to full serving
2syns
cheapest portionat 15g
smallest serving

Brand breakdown

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

Brand Product Portion Syns kcal
Pilpa Authentic Greek Feta 30g 4 80
Tesco Greek Feta 30g 3 75
Sainsbury's Greek Feta Cheese 30g 4 78
Morrisons Greek Feta 30g 3 76
Lidl Eridanous Greek Feta PDO 30g 4 80
Aldi Specially Selected Greek Feta 30g 4 79
President Greek Feta 30g 4 81
Waitrose Greek Feta PDO 30g 4 82

Lower-syn dairy alternatives

Food Portion Syns vs current
Greek Yogurt 0% Fat 170g (Fage 0%) FREE −2 syns
Creme Fraiche Half Fat 1 tbsp (15ml) 1 −1 syns
Cottage Cheese 100g 1.5 −0.5 syns
Ricotta 30g 1.5 −0.5 syns
Soured Cream 1 tbsp (15ml) 1.5 −0.5 syns

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