Simple Syrup Ratio
Sugar-to-water ratio defining a syrup's thickness.
Formula
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Example
200 g sugar, 200 g water: R = 1 (1:1 simple syrup)
How it works
This formula compares the mass of sugar to the mass of water to show how concentrated a syrup is. A higher value of R means more sugar for the same amount of water, which makes the syrup sweeter, thicker, and less likely to freeze or ferment quickly. Because both ingredients are measured by mass, the ratio is consistent even if the ingredients are packed or poured differently.
When to use it
Use this when making simple syrup for drinks, desserts, sauces, or candy work and you need a repeatable sweetness or thickness. It is also useful when scaling recipes up or down without changing the syrup’s character.
Worked example, step by step
Suppose you mix 150 g sugar with 300 g water. R = m_sugar / m_water R = 150 / 300 R = 0.5 So the sugar-to-water ratio is 0.5, which can also be written as 1:2 simple syrup.
Common mistakes to avoid
- Using volume instead of mass when the recipe is based on weight
- Swapping the numerator and denominator, which gives the wrong ratio
- Forgetting that a smaller ratio means a thinner, less sweet syrup
Did You Know?
A 2:1 'rich' syrup keeps far longer and adds more body to cocktails than the standard 1:1.
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