How Many Syns In Watermelon? Find Out Here!

Updated on 
2 February, 2023

How Many Syns In Watermelon? Is It Syn Free On Slimming World?

One of the great advantages to the slimming world plan is that most fruit is syn-free on the diet, making fruit an excellent snack for when your craving something sweet, but how many syns does watermelon have on the plan?

Is Watermelon Syn Free On Slimming World?

Watermelon is syn-free on the slimming world making it a great fruit to have for when you feel like something sweet or as a dessert.

We've discussed in more detail below if watermelon is good for weight loss, syn-free fruits and an SW-friendly recipe using watermelon below.

Is Watermelon Good For Weight Loss?

Among most of the fruits you can snack on, watermelon is an excellent choice of fruit for weight loss since it is low in calories and high in water meaning that it keeps you full for longer.

For example, one cup of watermelon has 2.5 syns per cup and 139 grams of water.

Syn Free Fruit

Most fruit is syn free on the slimming world plan with an exception of a few, some are classed as speed fruits too since they are low in calories yet high in nutritional values, we've listed which fruits are classed as a syn free down below.

Syn Free Fruit
  • Bananas.
  • Kiwi fruit.
  • Blackberries (speed fruit).
  • Raspberries (speed fruit).
  • Grapefruit (speed fruit).
  • Apples (speed fruit).
  • Pears.
  • Strawberries (speed fruit).
  • Grapes.
  • Nectarines (speed fruit).
  • Mango.
  • Oranges (speed fruit).
  • Melon (speed fruit).
  • Pineapple.
  • Plums (speed fruit).
  • Satsuma (speed fruit).
  • Clementines (speed fruit).
  • Tangerines (speed fruit).
  • Blueberries (speed fruit).

Our SW Watermelon Salad Recipe

If you've got a watermelon lying around at home and don't know what to do with it, you can always try making a salad which is SW-friendly!


  • One cumber diced.
  • Four tomatoes diced.
  • One red onion diced.
  • One green pepper diced.
  • 300g of watermelon cut into squares.
  • 200g of feta crumbled.
  • One lemon.


  1. Simply mix and squeeze your lemon on top.
Our SW Watermelon Salad Recipe

Final Words

Overall, watermelon is a great syn free fruit to have on the slimming world plan, low in calories and high in water content making it excellent for hydration and as a snack for weight loss.

Most fruit is syn free on the slimming world plan which is great for people with a sweet tooth, watch out for fruits like mashed banana or tinned options which often need to be synned.

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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