Free Beekeeping Calculators & Tools

No-signup interactive tools for beekeepers — varroa mite treatment calculator, seasonal puzzle, and more. Use them in the field on your phone, then track results inside HiveSense.

Most used

Varroa Mite Treatment Calculator

Sugar roll or alcohol wash mite count → infestation percentage against the seasonal treatment threshold, and before/after efficacy.

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New

Oxalic Acid Dosage Calculator

Vaporization grams per brood chamber and dribble mL per colony, taken from the current US labels — plus how much to mix and the broodless-window rule.

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Beekeeping ROI Calculator

Hives, startup cost, honey yield, price and running costs in — a three-year net and the year your startup money comes back. Defaults are editable estimates.

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Pre-Harvest Interval Calculator

Treated for varroa and wondering when honey is safe to pull? Pick your treatment and dates — get a clear yes/no plus days remaining.

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Sugar Syrup Ratio Calculator

1:1 spring stimulation, 2:1 fall feeding, or thin medication syrup. Enter sugar amount — get water amount and finished volume.

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Honey Moisture Calculator

Enter your refractometer reading (Brix or moisture %) — get fermentation risk, storage classification, and Grade A status.

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Winter Feed Weight Calculator

Enter current and target hive weight — get the dry sugar and 2:1 syrup you actually need, corrected for the energy bees burn curing it.

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New pack each season

Beekeeping 7 Little Words

Eight beekeeping clues, with a new pack each season — half classic vocabulary, half 2026 tech (bee vaccines, robot inspectors, heat anomalies). Reveal each answer to learn the science behind it.

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Related guides and features

Tools are most useful when they feed into a record system. Here is where the data goes.

Track everything in HiveSense

These tools are useful on their own, but they really shine when paired with the app — Varroa counts auto-log to a treatment history, voice-noted inspections become searchable years later. Free for up to 15 hives.

Install HiveSense (free) →