How is the estimate calculated?

It starts from a baseline surplus per full-strength colony, scales it by the fraction of full strength your frames of bees represent, and multiplies by a nectar-flow factor and a forage-availability factor. The result is surplus honey, not the honey the bees keep for themselves.

What counts as a full-strength colony?

This tool treats roughly 20 frames of bees, about two deep boxes well covered, as a full-strength production colony. Strength scales proportionally, so a 10-frame colony is estimated at about half the surplus of a full one.

Why does forage radius matter so much?

Bees typically forage within a 2 to 3 mile radius. More accessible nectar-rich forage in that area means more incoming nectar. The forage factor rewards larger or richer foraging areas and penalises colonies in sparse, built-up, or drought-stricken zones.

How accurate is this?

It is a planning estimate, not a guarantee. Real yield swings widely with weather, queen quality, disease, and the timing of nectar flows. Use it to size extraction equipment and rough out a harvest, then adjust from your own records.

Does this include honey left for the bees?

No. The figure is surplus honey available to harvest after the colony retains stores for its own brood-rearing and winter needs. Always leave adequate winter stores for your climate before extracting.

Bee Colony Honey Yield Estimator

How much honey a colony makes depends mostly on three things: how many bees are foraging, how much forage they can reach, and how strong the nectar flow is. This estimator combines those three into a planning figure for surplus honey so you can size extraction equipment and forecast a harvest for sales.

How it works

The estimate scales a baseline surplus per full-strength colony by colony strength, nectar flow, and forage availability:

strength factor = frames of bees / 20  (capped at ~1.3 for very strong hives)
yield per hive  = baseline × strength factor × flow factor × forage factor
apiary total    = yield per hive × number of colonies

The baseline used here is about 60 lb of surplus from a full-strength colony in an average season. Nectar-flow factors run from 0.4 (poor) to 1.6 (excellent), and the forage factor rewards a larger or richer foraging radius.

Example and notes

Ten colonies averaging 16 frames of bees, a good 3-mile forage radius, and a good nectar flow estimate to roughly 55 to 65 lb of surplus each, or well over 500 lb for the apiary — enough to plan an extractor run and bottling supplies. Treat the output as a starting point: a late frost, a dry summer, or a failing queen can cut real yield sharply, while a strong flow on abundant forage can beat it. Always leave adequate winter stores before you extract.