Sugar Syrup Volume Calculator
Calculate finished syrup volume, Brix, and density.
V = Water + Sugar × 0.63
Estimate only — not feeding, food-safety or veterinary advice.
Understanding Your Syrup Yield
For beekeepers, mead-makers, and small-scale food producers batch-mixing syrup in bulk, it's essential to know the final volume, concentration, and density of your mix. You already know how much sugar and water are going in, but you need to know how many litres come out, whether it fits the drum, pail or feeder you're filling, and what °Brix you have actually mixed. Dissolved sucrose adds about 0.63 L of volume per kg, so 1 kg of sugar in 1 L of water makes about 1.63 L of syrup, not the 2 L you might intuitively expect from simply adding volumes.
This calculator live-computes these critical figures, helping you plan your batches more accurately and avoid overfilling or under-mixing. It factors in the unique volume contribution of dissolved sugar, giving you precise estimates for your syrup production.
How to Use This Calculator
- Type the litres of water you are using into the Water volume field.
- Type the kilograms of sugar into the Sugar mass field — or click the 1:1 / 2:1 preset to auto-set a standard feed ratio.
- Read the live results: finished syrup volume, °Brix and density update as you type, with no button to press.
- Check for the red crystallisation banner — if it appears you are above the ~67 °Brix ceiling and should add water or keep the syrup warm.
- Copy the batch figures into your feed log or scale them up to the next sack of sugar.
FAQ
How much syrup does 1 kg of sugar make?
Dissolved sucrose adds about 0.63 L of volume per kg, so 1 kg of sugar stirred into 1 L of water gives roughly 1.63 L of 50 °Brix syrup — not the 2 L you might expect from adding the numbers.
What is the Brix of 1:1 and 2:1 sugar syrup?
1:1 by weight (1 kg sugar + 1 L water, 2 kg total) is 50.0 °Brix; 2:1 (2 kg sugar + 1 L water) yields 2.26 L at 66.7 °Brix with a density of about 1.33 kg/L.
Why did my 2:1 syrup crystallise in storage?
2:1 by weight sits at 66.7 °Brix, right against the practical ~67 °Brix saturation limit for sucrose at 20 °C; add water to bring the batch under about 65 °Brix if it will be stored cold, or warm it before feeding.
How much sugar and water do I need to fill a 20 L bucket with 2:1 syrup?
At 2.26 L per 2 kg sugar + 1 L water, a 20 L batch needs about 17.7 kg of sugar and 8.85 L of water — the volume calculator lets you scale any target container this way instead of guessing.