Brewers Math

Mead Calculator (Honey & ABV)

Honey needed to hit a target gravity or ABV for mead, plus the gravity you’ll start at.

Finished alcohol you want
Total must volume
6260 g honey
Target starting gravity1.091
Honey needed6.26 kg

How it works

Mead is made by fermenting honey and water. Choose your target ABV and batch size, and the calculator finds the starting gravity needed and the honey required to hit it - assuming the mead ferments dry to about 1.000, as most do with a healthy yeast pitch.

target OG = 1 + ABV / 131.25
honey (g) = targetPoints × litres / 0.292

Sources: honey gravity contribution and ABV-from-gravity math, as documented by Brewer's Friend.

Assumes the must ferments down to ~1.000. If you want a sweet mead, plan to back-sweeten or stabilise after fermentation rather than relying on a stalled finish.

Frequently asked questions

How much honey do I need for a target ABV?
Pick the alcohol strength you want and the calculator works backward: it finds the starting gravity that ferments down to roughly 1.000 at that strength, then converts the required gravity into grams of honey for your batch size.
Why does the calculator assume the mead ferments to 1.000?
Honey is almost entirely fermentable sugar, so a healthy, well-pitched mead typically finishes dry near 1.000. Sweeter meads stop higher, which lowers the actual ABV - for those, back-sweeten after fermentation rather than under-pitching.
Roughly how much honey is that per litre?
As a guide, about 1.3 kg of honey in a 4–5 L batch lands near 12% ABV. Larger batches scale proportionally; the calculator gives the exact figure for your volume.

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