Calculators
Converters
Ingredients
Styles
Knowledge base
Settings
Settings
Knowledge base
Style guides
Style guides
BJCP 2015
BJCP 2021
Norbrygg 2023
Ingredients
Ingredients
Fermentables
Hops
Yeast
Water Profiles
Brewing Salts
Calculators
Calculators
ABV
Attenuation
Calories
Force Carbonation
Bottle Priming
Hop Aging
Hydrometer Temperature Adjustment
Yeast Starter Calculator
Converters
Converters
Carbonation
Color
Diastatic Power
Gravity
Pressure
Temperature
Volume
Weight
Note:
Interactive elements are disabled when JavaScript is disabled.
All values are displayed using the European default settings (EBC, SG, Metric units, Celsius).
Yeast Starter Calculator
Wort
Wort
Target Pitch Rate (million cells / mL / °P)
MFG Recommended 0.35 (Ale)
MFG Recommended+ 0.5 (Ale)
Pro Brewer 0.75 (Ale)
Pro Brewer 1.0 (Ale or High Gravity Ale)
Pro Brewer 1.25 (Ale or High Gravity Ale)
Pro Brewer 1.5 (Lager)
Pro Brewer 1.75 (Lager)
Pro Brewer 2.0 (High Gravity Lager)
Wort Gravity
1.050
SG
°P
°B
GP
Wort Volume
20
dal
L
dL
cL
mL
gal
fl. oz.
UK BBL
US BBL
EU BBL
Corny
Yeast
Yeast
Yeast Form
Liquid Yeast
Dry Yeast
Yeast Slurry
Cells at manufacture date
100
Bn Cells
Manufactured (YYYY/MM/DD)
Yeast Age
0
days
Estimated Viability
≈
0
%
0
Bn Cells
Initial Pitch Rate
Initial Pitch Rate
≈
0
million cells / mL / °P
Starter needed to reach target pitch rate
Add starter
Starter Steps
Starter Steps
Add step-up
Footnotes
Footnotes
Based on Brewer's Friend's Yeast Pitch Rate and Starter Calculator
Prior art: YeastCalc
Sources
Sources
Braukaiser: Estimating yeast growth
(accessed: 2024-07-31)
©2026 Microbrew.it