How Many Syns In Sweet & Salty Popcorn - By Metcalfe's & Others

Updated on 
9 March, 2026

How Many Syns In Sweet & Salty Popcorn - By Metcalfe's? - Our SW Syn Guide

If you're going to the movies or having a cinema night at home, you might want to stock up on some sweet & salty popcorn for snacking, but how many syns does this popcorn have on the slimming world plan?

Is Sweet & Salty Popcorn High In Syns On Slimming World?

Sweet & salty popcorn has on average around 3 syns for a 12g packet making it low in syns, for a 30g packet you are looking at using around 7 syns which is half your daily syn allowance, we would therefore suggest having this popcorn in moderation.

In our syn guide below, we will discuss how much sweet and salty popcorn you can have on the slimming world plan, some syn values of different sweet and salty popcorn brands and some low syn alternative popcorn for snacking.

How Much Sweet & Salty Popcorn Can I Have On Slimming World?

At 3 syns for a 12g packet, you can have up to around 60g of sweet and salty popcorn (no matter the brand) on the slimming world plan before using all your 15 syn daily allowance.

Popcorn is a great low syn snack to have on SW since it's popped air, allowing you to have a high volume for a small number of calories, however, this snack can be quite easy to overeat and high in sodium and sugar, so we suggest weighing out your portion.

Syn Values Of Sweet & Salty Popcorn

Sweet and salty popcorn has a similar syn value no matter the brand you choose, to help you stay on track with syns, we've listed some various brands down below along with their syn values.

Syn Values Of Sweet & Salty Popcorn
  • PROPERCORN Sweet and Salty Popcorn 14g - 3 syns.
  • Tesco Sweet & Salty Popcorn 6 x 14g (84g) - 3.5 syns.
  • PROPERCORN Sweet & Salty Popcorn 30g - 6.5 syns.
  • Butterkist Sweet & Salty Popcorn 6 Pack - 3 syns.
  • Aldi The Foodie Market Sweet & Salty Popcorn 27g - 6 syns.
  • Sainsbury's Sweet & Salty Butterfly Popcorn 6 x 14g (84g) - 3.5 syns.
  • Butterkist Sweet & Salty Microwave Popcorn 3 x 60g - 6.5 syns.
  • M&S Food Sweet & Salty Popcorn 6 x 15g (90g) - 3.5 syns.
  • Lidl Snaktastic Popcorn Sweet & Salty 27g - 6 syns.
  • Waitrose & Partners Sweet & Salty Popcorn 6 x 14g - 3.5 syns.
  • The Big Night In Popcorn Sweet & Salty 250g - 11.5 syns.
  • M&S GFS Sweet & Salty Popcorn 28g - 7 syns.
  • Weight Watchers WW Sweet & Salty Popcorn Bars 90g - 3 syns.
  • Co-op Popcorn Sweet & Salty 25g - 5.5 syns.

Low Syn Alternatives To Sweet & Salty Popcorn

If you find sweet and salty popcorn to be too high in syns or you are simply curious about the syns in other kinds of popcorn, we've got some great low-syn alternatives for you to stock up on down below.

  • Sainsbury's Simply Salty Butterfly Popcorn 90g - 4.5 syns.
  • Butterkist Popcorn Toffee 170g - 6.5 syns.
  • Sainsbury's Simply Sweet Butterfly Popcorn 110g - 4.5 syns.
  • Butterkist Popcorn, Sweet Cinema Style 6x12g - 3 syns.
  • Butterkist Crunchy Orange Chocolate Flavour Toffee Popcorn 155g - 6.5 syns.
  • Tesco Salted Popcorn 85G - 5.5 syns.
  • Joe & Seph's Popcorn Classic Caramel - 5 syns.
  • Tesco Sweet Popcorn 110G - 6.5 syns.
  • Regal Cinema Style Sweet Popcorn 250G - 2 syns a serving.
  • Joe & Seph's Milk Chocolate Popcorn Bites - 4.5 syns per serving.
  • Joe & Seph's Dark Chocolate Popcorn Bites - 4.5 syns per serving.
  • Joe & Seph's White Chocolate & Raspberry Popcorn Bites - 4.5 syns per serving.
  • Propercorn Sweet popcorn - 4.5 syns a serving.
  • Popz 100 Calorie Popcorn Sweet - 5 syns for one serving.
  • PROPERCORN Salted Caramel - 5 syns.
  • Metcalfe's Cinema Sweet Popcorn Sharing Bag - 4 syns.
  • M&S Sweet Popcorn - 5 syns for 20g.
  • Joe & Seph's Caramel & Belgian Chocolate Popcorn - 5 syns.
  • Joe & Seph's Popcorn Banoffee Pie - 4.5 syns.
  • Sainsbury's Simply Sweet Butterfly Popcorn 110g - 4.5 syns.
  • Eazypop Microwave Popcorn Sweet 100g - 4.5 syns.
  • Propercorn Microwavable Sweet Popcorn 3x70g - 4.5 syns.
Low Syn Alternatives To Sweet & Salty Popcorn

Final Words

Overall, sweet and salty popcorn is quite slimming world friendly thanks to it being low calorie, you can have up to 60g of the popcorn before using all your 15 syn daily allowance on the plan. Popcorn in general is a great low-calorie snack since it consists mainly of popped air allowing you to have a high portion for less syns.

Frequently Asked Questions

How are syn values calculated?

Syn values are calculated using a formula based on calories, saturated fat and sugar content per serving. They’re not the same as calories — a product can be low in calories but higher in syns if it’s high in sugar or fat. Always check the official Slimming World app for the most accurate and up-to-date syn values.

Do syn values change?

Yes. When manufacturers reformulate their products, the syn value can go up or down. This is why we recommend double-checking with the Slimming World app or your consultant, especially if a product’s packaging has changed recently.

How many syns should I have per day?

Most Slimming World members work with 5 to 15 syns per day. Your consultant will advise on the right amount for you. The key is to use your syns on the things you enjoy most — whether that’s a chocolate bar, a glass of wine, or a packet of crisps.

Jennifer
Jennifer is a certified nutritionist and weight loss coach with a Master's in Nutrition from Cambridge. With over 10 years experience, she shares healthy recipes and science-backed slimming tips on SheCooksSheEats to help people reach their wellness goals. Jennifer stays up-to-date by regularly attending conferences and continuing her nutrition education. She aims to provide research-backed advice to inspire balanced, happy living.
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