Home Brewing
Brew by the numbers, from grain to glass. Estimate ABV from your gravity readings, correct a hydrometer for temperature, work out priming sugar for safe carbonation, gauge bitterness with Tinseth IBU, and scale a recipe to any batch size.
Available now
5 live
Available
ABV Calculator
Alcohol by volume from original and final gravity, with attenuation and ABW.
AvailableHydrometer Temp Correction
Correct a gravity reading for sample and calibration temperature.
AvailableIBU Calculator
Tinseth bitterness estimate from hop additions, boil time, and gravity.
AvailablePriming Sugar
Bottling sugar from volume, sugar type, temperature, and target carbonation.
AvailableRecipe Scaling
Scale grain, hops, yeast, and water to a new batch size or efficiency.
All 32 calculators
linked tools are live; the rest are on the build list- ABV CalculatorEstimated alcohol by volume from original and final gravity.Live
- Hydrometer Temperature Correction CalculatorCorrects a gravity reading for sample and calibration temperature.Live
- Priming Sugar CalculatorBottling sugar from volume, sugar type, temperature, and target carbonation.Live
- IBU CalculatorBitterness estimate using Tinseth-style hop utilization.Live
- Beer Recipe Scaling CalculatorScales grain, hops, yeast, and water to a new batch size or efficiency.Live
- Mash Water Volume CalculatorMash liquor from grain weight and liquor-to-grist ratio.Soon
- Keg Line Length CalculatorLine length from pressure, resistance, rise, and desired flow.Soon
- Keg Carbonation Pressure CalculatorEquilibrium or serving pressure from temperature and CO₂ volumes.Soon
- Brix, Plato & Specific Gravity ConverterConverts between common wort concentration scales.Soon
- Strike Water Temperature CalculatorStrike temperature from grain temperature, mass, and mash ratio.Soon
- Original Gravity Target CalculatorRequired gravity points from batch volume and target OG.Soon
- Final Gravity & Attenuation CalculatorApparent attenuation and expected FG from yeast performance.Soon
- Sparge Water CalculatorSparge volume after mash water, absorption, and losses.Soon
- Refractometer Fermentation Correction CalculatorCorrects post-fermentation Brix readings using original gravity.Soon
- Total Brew Day Water CalculatorTotals mash, sparge, absorption, boil-off, and packaging needs.Soon
- Bottle Count CalculatorBottle quantity by batch volume, bottle size, and packaging loss.Soon
- Mash Thickness CalculatorConverts between quarts per pound and liters per kilogram.Soon
- Yeast Starter Size CalculatorStarter volume from required cells and starting viability.Soon
- Boil-Off Rate CalculatorHourly boil-off from measured start and finish volumes.Soon
- Pre-Boil Gravity CalculatorPre-boil gravity from target post-boil volume and gravity.Soon
- Mash Efficiency CalculatorMash conversion and lauter efficiency from grain potential.Soon
- Brewhouse Efficiency CalculatorTotal efficiency into the fermenter.Soon
- Beer Calories CalculatorCalories and carbohydrates from OG, FG, alcohol, and serving size.Soon
- Dry Hop Rate CalculatorOunces per gallon or grams per liter into hop weight.Soon
- Mead Honey Amount CalculatorHoney weight for a target batch volume and original gravity.Soon
- Hop Addition Scaling CalculatorScales hop additions when batch size or alpha acid changes.Soon
- Yeast Pitch Rate CalculatorCells needed from batch volume, gravity, and fermentation type.Soon
- Beer Color SRM CalculatorEstimates beer color from grain color, weight, and batch volume.Soon
- Wort Dilution & Blending CalculatorWater or wort additions to reach a target gravity and volume.Soon
- CO₂ Tank Keg Capacity CalculatorEstimates how many kegs can be carbonated and served per tank.Soon
- Grain Absorption CalculatorWater retained by grain from weight and chosen absorption rate.Soon
- Kettle & Tun Dead-Space CalculatorUnrecoverable volume from measured or geometric dead space.Soon
ad slot — responsive in-content