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How much sugar is in a cup of tea? In the tea itself, none. In the cup, exactly what you add, and the number is the daily total. This sits in the sweetening cluster beside is sugar in tea bad.
General information about tea, not medical or dietary advice. For blood sugar or diet concerns speak to a pharmacist, GP or dietitian.
Plain tea has zero sugar
Black, green, white, oolong and pure herbal infusions contain no sugar. Any sugar in your cup is added, milk adds a trace of natural lactose but not "sugar" in the added sense.
A rough per spoon tally
A level teaspoon of sugar is around four grams. One sugar per cup, several cups a day, quickly becomes a notable share of a sensible daily free sugar allowance, all from a drink you do not think of as sweet.
The daily total is the real figure
The meaningful number is not one cup, it is the running total: spoons times cups times days. That is why small reductions in tea sugar have an outsized cumulative effect, see how to cut sugar in tea.
Shop bought and sweetened teas
Pre sweetened iced teas, bottled teas and sweet chai lattes can carry surprisingly high sugar, often closer to a soft drink than a cuppa; this is a different scale from a home spoon and worth reading the label for.
Honey and syrups count the same
A teaspoon of honey or syrup is comparable to sugar in this tally; switching form does not lower the number meaningfully, only using less does, see honey in tea.
What is a sensible amount
There is no required amount, the ideal for taste is "the least the cup needs", which with well brewed good tea is often little or none, see tea without sugar.
Bottom line
Tea has no sugar; your cup has what you add; the figure that matters is the daily total. Cutting it is a high leverage, low effort change, see is sugar in tea bad.
Sugar in a cup of tea, at a glance
| Item | Roughly |
|---|---|
| Plain tea (no additions) | Zero sugar |
| 1 level teaspoon sugar | ~4 g |
| 2 sugars, 4 cups/day | ~32 g added sugar/day from tea alone |
| 1 teaspoon honey | ~5 to 6 g; counts the same nutritionally |
| Shop-bought sweetened iced tea | Often 20 to 30 g per serving, read the label |
Where this fits in the wider range: English Breakfast, Earl Grey, green tea, loose leaf tea, Darjeeling, oolong, and herbal tea. There is plenty more in the tea shop, and UK postage is free above £35.
More tea reading
More from the tea wiki
- Green tea
- Black tea
- Oolong tea
- White tea
- Herbal tea
- Caffeine in tea
- How to make tea properly
- Loose leaf vs teabag
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