How Many Calories Are in a Gin and Tonic?
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How Many Calories Are in a Gin and Tonic?

If you enjoy a classic gin and tonic, you might be curious about the calories in a gin and tonic drink. It’s a common choice at the bar, but how does it compare to other drinks when you are watching your calorie intake?
Calories in a Gin and Tonic
A standard single measure of gin (25ml) contains around 60–65 calories. Add 125ml of regular tonic water and the total goes up to about 120 calories. If you prefer a double measure, you are looking at 170–180 calories per glass. Switching to slimline tonic can cut this almost in half, bringing a single measure down to about 65–70 calories in total.
For comparison:
- A pint of lager is around 200 calories
- A glass of red wine is around 160 calories
- A glass of prosecco is about 90 calories
So, a gin and tonic can be a lighter option, especially with slimline tonic.
Choosing the Right Gin
The calories in a gin and tonic drink mainly come from the mixer rather than the gin itself, so your choice of tonic is key. But the flavour of your gin makes a big difference to your experience.
At Wicstun Distillery, our small-batch gins are made in Market Weighton, East Yorkshire, with care and precision. Two stand-out options are:
- Wicstun Dry Gin – A crisp, London-style gin with balanced botanicals. Perfect with slimline tonic and a wedge of lime.
- Wicstun Aromatic Gin – A bolder gin with spiced and herbal notes. Serve with a premium tonic water and a slice of orange for a fuller flavour.
Tips for a Lower-Calorie G&T
- Pick a slimline tonic to cut sugar and calories.
- Add fresh garnish like cucumber, lime, or orange for extra flavour without calories.
- Use lots of ice to make your drink last longer
Final Thoughts
When you think about calories in a gin and tonic drink, the tonic matters more than the gin. A single Wicstun Dry Gin with slimline tonic can be as low as 65 calories, making it a refreshing choice without the guilt. Whether you choose our Dry Gin or the Aromatic Gin, you’ll enjoy a flavourful drink crafted in small batches right here in Yorkshire.
Here are 5 low-calorie gin cocktails that taste great without loading on sugar or mixers:
1. Classic Gin and Slimline Tonic
- 50 ml Wicstun Dry Gin
- 150 ml slimline tonic water
- Slice of lime or cucumber
Approx. 65 calories
2. Gin Spritz
- 50 ml Wicstun Aromatic Gin
- 100 ml soda water
- 25 ml fresh lemon juice
- Fresh mint leaves
Approx. 70 calories
3. Gin Fizz Light
- 50 ml Wicstun Scarborough Gin
- 25 ml fresh lemon juice
- 100 ml soda water
- Dash of stevia or a sugar-free sweetener
Approx. 75 calories
4. Berry Gin Cooler
- 50 ml Wicstun Pink Gin
- Handful of frozen raspberries
- 100 ml of diet lemonade
- Squeeze of lime
Approx. 80 calories
5. Cucumber and Watercress Collins
- 50 ml Wicstun Pickering Watercress & Cucumber Gin
- 100 ml of soda water
- 10 ml fresh lime juice
- Cucumber ribbons
Approx. 70 calories