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Last updated on: 2026-06-15
Android Apps > Tools > FermCalc Winemaking Calculator
FermCalc Winemaking Calculator icon

FermCalc Winemaking Calculator

2.98.1
Steve Gross
4.59
127 reviews
10,000+
Downloads
Free

A collection of advanced winemaking calculators.

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About FermCalc Winemaking Calculator

FermCalc Winemaking Calculator is a tools app developed by Steve Gross.

Download Statistics

FermCalc Winemaking Calculator has been downloaded 29 thousand times. In the last 30 days, the app was downloaded 120 times.

User Ratings

FermCalc Winemaking Calculator is rated 4.59 out of 5 stars. The rating is based on 130 ratings.

App Information

FermCalc Winemaking Calculator is FREE to download. The APK download size is 324.66 kB. The latest version available is 2.98.1. The last update was on August 30, 2023.

Technical Requirements

FermCalc Winemaking Calculator requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play February 2016.

Description
NOTE: See the important installation note at the end of this description.

FermCalc is a collection of advanced winemaking calculators designed to assist both amateur and professional winemakers with calculations related to the following activities:

- Unit conversions
- Chaptalization & dilution
- Acidity adjustment
- Sulfite additions
- Alcohol & solids content estimation
- Blending
- Fortification
- Miscellaneous additions

FermCalc provides full flexibility for specifying both input and output units on all of the calculators. All of the functionality of the popular Java and JavaScript versions of FermCalc are included in the Andrioid version.

Below is a complete list of the calculators currently available.

----------------------------------------
Unit Conversions
-- Volume
-- Mass
-- Temperature
-- Specific Gravity / Density
-- Acidity
-- Alcohol Content
-- Concentration
-- Refractivity
----------------------------------------
Sugar Calculators
-- Chaptalization & Dilution
-- Amelioration
-- High Brix Measurement by Dilution
----------------------------------------
Acidity Calculators
-- Acid Titration
-- Acidification & Deacidiication
-- Amelioration
-- NaOH Standardization
----------------------------------------
Sulfite Calculator
----------------------------------------
Alcohol Content Calculators
-- Hydrometer SG Drop
-- Hydrometer & Refractometer
-- Boiling (Spirit Indication)
-- Potential Alcohol
-- OIML Calculator
-- Dry Matter
----------------------------------------
Blending Calculator
----------------------------------------
Fortification Calculators
-- Post-Fermentation Fortification
-- Fortification Point
-- Hackbarth SG Calculator
----------------------------------------
Miscellaneous Calculators
-- Dry Measure Converter
-- Stock Solution Formulation
-- Inverse Stock Solution Makeup
-- Miscellaneous Additions
-- Yeast Assimilable Nitrogen (YAN)
----------------------------------------

A help page is provided for each calculator, with a high-level description of the calculator and definitions of the input and output fields. Full details regarding the mathematics involved in the calculations are available at www.fermcalc.com.

IMPORTANT Installation Note: The stock numeric keypad on some Samsung and LGE devices does not include a decimal, which makes FermCalc almost impossible to use. The workaround is to go to Google Play and install the Google Keyboard or some other third-party keyboard. After you install the new keyboard, go to Settings > Language and Input, and set the new keyboard as the default keyboard. After following these steps your numeric keypad should include a decimal.

Recent changes:
This is a maintenance release to comply with new Google requirements. There are no changes to the calculators.
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More data about FermCalc Winemaking Calculator

Price Free to download
Total downloads 29 thousand
Recent downloads 120
Rating 4.59 based on 130 ratings
Ranking Not ranked
Version 2.98.1
APK size 324.7 KB
Number of libraries 0
Designed for Android 4.0+
Suitable for Everyone
Ads NO ads

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FermCalc Winemaking Calculator compared with similar apps

Common keywords of similar apps

Fermcalc Keyboard Fortification Winemaking Note Dilution Acidity Additions Content Miscellaneous Input Stock Google Collection Important Installation Description Chaptalization Sulfite Blending Full Output Amelioration High Hydrometer Sg Dry Solution Numeric Keypad Include Decimal Install Calculators Calculator Alcohol Advanced Calculations Unit Conversions

Keywords missing from this app

App Calculation Calculate Volume Converter Scientific Conversion Units Support Recent Mass Results Time Body Water Temperature Rate Area Number Pressure Features Math Density Data Functions Basic Speed Everyday Version Quick Free Tools Convert Power Currency Table Current Application Range Subscription Accurate Multiple Length

Google Play Rating history and histogram

Downloads over time

FermCalc Winemaking Calculator has been downloaded 29 thousand times. Over the past 30 days, it has been downloaded 120 times.

Changelog of FermCalc Winemaking Calculator

Show changelog

Developer information for Steve Gross

Steve Gross

gross@pdq.net

Website

Legal name:

Address:

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Comments on FermCalc Winemaking Calculator for Android

★★★★☆ Alucard · May 21, 2023
Undecided! Does this help you find a juices value of sugar in grams? After it has been brewed? And with a fractometer? And is it accurate? Also how do you tell how much alcohol is in wine in % with this and a fractometer?
★★★★★ Brad Keen · Jan 4, 2017
A fantastic app. Steve is very responsive to suggestions to improve the app and add new tools. It's got everything I need for brew day.
★★★★★ Joris van Almenkerk · Jun 30, 2022
Great app! Does everything you might want to calculate in the winemaking process. It even has the yeast additives of the major suppliers with their respective N contribution preloaded. I use it often for conversions or to double-check my own calculations. Joris van Almoner Winemaker Almoner Wine Estate Elgin - South Africa One suggestion for the developer: option to access recently used or favorite calculations quickly?
★★★★★ Michael Barlow · Mar 31, 2024
Wonderful app for alcohol fermentation, wine and beer, and after downloading it many months ago and using it often I'm still finding more it can do.
★★★★☆ Tom Bentley · Apr 30, 2017
Great wine making calculator, and responsive author. Low reputation per Sophos antivirus (see sophos 'how to request an app reassessment')
★☆☆☆☆ Kevin Mac · Sep 18, 2016
Where's the decimal? Not sure if it's my phone or me but when the number pad pops up it's only 0-9, no decimal kind of hard to enter SG without one.
★☆☆☆☆ Alastair Browne · Sep 22, 2019
A load of rubbish. All I want it to do is to tell me the alcohol percentage given starting and finishing gravity. You can enter the values, but then the app does nothing. No button to tell it to do the calculations. A waste of time... deleting
★☆☆☆☆ Paul Jensen · Sep 7, 2021
Without prejudice, this is the worst wine making calculator I've ever used. If I could have given it a 0.0% Star review rating I would have.

Google Play Rankings for FermCalc Winemaking Calculator

This app is not ranked

Technologies used by FermCalc Winemaking Calculator

FermCalc Winemaking Calculator is requesting 1 permissions and is using 0 libraries.
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