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Beekeeping Sugar Syrup Calculator (1:1 / 2:1)

Calculate exactly how much sugar and water to mix for 1:1 spring feeding syrup or 2:1 fall/winter syrup, by weight, for any batch size or number of hives.

Ratio

Desired total sugar weight (per hive)

Unit

Number of hives

Water needed (total for all hives)

—

Sugar used: — Ratio: — Hives: —

Metric	Per hive	Total (all hives)

Come funziona il calcolo

1:1 syrup (one part sugar to one part water, by weight) mimics a light natural nectar flow. Feeding it in spring and summer signals a "flow is on" to the colony, encouraging the queen to lay more and the workers to draw fresh comb to house the growing brood nest.

2:1 syrup (two parts sugar to one part water, by weight) is much closer to ripened honey. Bees still have to evaporate some water before capping it as stores, but far less than with a 1:1 mix — which matters in fall, when a colony has limited warm days left before the first frost to finish the job.

All ratios here are by weight (kg or lb of sugar per kg or lb of water), which is the standard beekeeping convention — not by volume. Measuring by weight avoids the ambiguity of how tightly a cup of sugar is packed, and it scales cleanly from a single mason jar to a five-gallon bucket.

Come funziona il calcolo

Ratios here are strictly by weight, sugar to water. You enter the sugar you want to feed per hive and the tool divides: water equals sugar divided by the ratio. At 1:1 that means 5 kg of sugar to 5 kg of water; at 2:1 the same 5 kg of sugar takes only 2.5 kg. Water weight is converted to litres one for one, and pounds are converted at 2.20462 per kilogram.

The Ratio select is the real decision. "1:1 (Spring/Summer feeding)" mimics a light nectar flow, encouraging the queen to lay and the workers to draw comb, while "2:1 (Fall/Winter stores)" sits much closer to ripened honey so the colony evaporates far less water before capping it. Custom unlocks a free ratio field that defaults to 1.5. Number of hives multiplies everything and switches on a per-hive column beside the totals.

This is a mixing calculator, not a feeding schedule — it will not tell you how much sugar a colony actually needs to overwinter, which depends on climate, hive size and the stores already on the frames. The approximate syrup volume row treats dissolved sucrose as occupying its solid density of 1.59 kg per litre and ignores the contraction on mixing, so read it as container sizing. Feeding stimulants and additives are not modelled.

Domande frequenti

How much water do I mix with 5 kg of sugar for 1:1 syrup?

Five litres. The ratio is by weight and water is treated as one kilogram per litre, so 1:1 pairs equal masses. At 2:1 the same 5 kg of sugar takes only 2.5 litres, giving a considerably thicker syrup for the same amount of sugar.

When should I feed 2:1 instead of 1:1?

The select labels it for you: 1:1 through spring and summer, 2:1 in autumn for winter stores. Thicker syrup is closer to ripened honey, so bees evaporate far less water before capping it, which matters when warm working days are running out.

Do I measure the sugar and water by weight or by volume?

By weight, and the calculator assumes nothing else. Weighing avoids the question of how tightly a cup of sugar is packed and is the standard beekeeping convention. Enter kilograms or pounds; pounds are converted internally at 2.20462 per kilogram.

How much finished syrup will 5 kg of sugar make?

The approximate volume row adds the water to the dissolved sugar's own volume at 1.59 kilograms per litre, giving about 8.1 litres for a 1:1 batch from 5 kg. Treat it as a guide for sizing your bucket, not a precise measurement.

Can I mix one batch for several hives at once?

Set Number of hives above one and a per-hive column appears alongside the totals, so you see both the batch you need to make and what each colony receives. The sugar weight field is always interpreted as per hive, not per batch.

Conosciuto anche come

beekeeping sugar syrup calculator1:1 sugar syrup bees2:1 sugar syrup calculatorbee feeding syrup ratio

Beekeeping Sugar Syrup Calculator (1:1 / 2:1)

Come funziona il calcolo

Domande frequenti

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