Winter Feed Calculator
Enter your hive's current weight and your target winter weight. Get the dry sugar and finished 2:1 syrup you actually need — corrected for the energy bees burn curing syrup, so you don't under-feed heading into winter. Free, no signup, all math in your browser.
Enter a current and a higher target weight to see how much sugar to feed.
Estimates fall syrup being stored before winter — not mid-winter survival feeding (use dry sugar or fondant then). Bees burn energy curing syrup, so you must feed more sugar than the weight gain you want. This is why our number is higher than calculators that assume 1 lb sugar = 1 lb stores.
Free guide: The Winter Cluster Check
You have a feed number. This is how to check it through winter without opening the hive — the four no-open checks, the weight arithmetic, and the broodless window. 8 pages, printable.
Related tools and reading
Sugar Syrup Ratio Calculator
Know how much sugar you need? Get the exact water amount and finished volume for 2:1 syrup.
Varroa Mite Treatment Calculator
Mite count → infestation percentage, risk, and a temperature-aware treatment window.
Feeding Bees in Winter
What to feed and when — 2:1 syrup in fall, fondant or dry sugar once it is too cold for liquid.
Track hive weight in HiveSense
Log weights and feeding per hive so you can see which colonies are still light before winter.
Don't let a colony starve
HiveSense tracks hive weight and feeding per colony so you know exactly which hives still need stores before the cold.
New to winter prep? Read the starter kit guide