Calculators
Syrup, fondant, queen-rearing dates, honey yield and moisture.
Each calculator shows its formulas and the sources behind its figures: the National Bee Unit, the Veterinary Medicines Directorate, the Honey Regulations of the four UK nations and British beekeeping associations. Nothing is sent anywhere: everything is worked out in your browser.
Sugar syrup for bees calculator
Sugar syrup for bees, worked out for you: NBU thick and thin syrup, 2:1 and 1:1 by weight or ready-made invert syrup, with the sugar, water and dose per hive.
Open the toolFondant for bees calculator
Fondant for bees in winter: how many 1 kg or 2.5 kg blocks your hives need, and the sugar and water for homemade bee candy, with the NBU’s safety advice.
Open the toolQueen rearing calendar
Enter your grafting or Cupkit date: cell builder, capping, mating nucs, emergence, mating and first eggs, day by day, ready to export to your calendar.
Open the toolHoney yield and price calculator
How many 1 lb, 12 oz or 8 oz jars will your hives fill, and what is left after jars, labels and sugar? A honey price calculator in pounds sterling.
Open the toolHoney moisture content: refractometer check
Is your honey ripe? Check a refractometer reading against the 18 % target and the UK legal limits of 20 % and 23 % for heather, and work out a blend.
Open the tool