Free Food & Brewing Calculators
These calculators are for home cooks, bakers, brewers and preservers who want exact numbers. Scale a recipe, correct a hydrometer reading, look up a processing time or work out a brew ratio. Everything runs in your browser and nothing is uploaded.
Featured Food & Brewing tools
- Sourdough Hydration CalculatorUses baker's percentages and accounts for the water in your starter.
- Homebrewer's Recipe CalculatorReturns OG, FG, ABV, IBU and color, with a match against 22 BJCP styles.
- Sous Vide Time & Temperature GuideGives target temperature, minimum safe time and maximum cook time by cut and thickness.
- Coffee Brew Ratio CalculatorCovers five brew methods with a pour schedule and a live timer.
Brewing, Wine & Cocktails
6 toolsGravity, alcohol and fermentation numbers for beer, wine, mead and mixed drinks.
- Craft Beer
Homebrewer's Recipe Calculator
Enter grain bill and hop schedule to get OG, FG, ABV%, IBU, SRM beer color. BJCP style match against 22 styles, grain donut chart, hop timeline.
- Brewers / Winemakers
Hydrometer Temperature Correction Calculator
Enter your gravity reading and sample temperature to get the corrected specific gravity at 20°C. Brix and Plato included.
- Home Winemakers / Meadmakers
Wine & Mead Gravity to ABV Calculator
Enter original and final gravity to get ABV by three formula methods, apparent attenuation, residual sugar, and stuck fermentation warnings.
- Homebrewers & Cidermakers
Fermentation Timeline Calculator
Predict days to terminal gravity, final gravity, ABV, a day-by-day gravity curve, and the best dry-hop window based on your yeast strain, starting gravity, and fermentation temperature.
- Bartenders / Home Bartenders
Cocktail Dilution & ABV Calculator
Build your drink from ingredients, pick stirred or shaken dilution, and get final ABV, proof, total volume, calories, and standard drinks.
- Sober-Curious Home Bartenders
Zero Proof Mocktail ABV Checker
Add every ingredient's real ABV%, including non-alcoholic spirits and de-alcoholized wine, to check your drink's true alcohol content.
Coffee
2 toolsRatios and shot logging for filter coffee and espresso.
- Specialty Coffee
Coffee Brew Ratio Calculator
V60, AeroPress, Chemex, French Press, Clever Dripper. Step-by-step pour schedule, live brew timer with audio cues, strength indicator, save recipes.
- Specialty Coffee / Baristas
Espresso Extraction Log
Enter dose and yield to get brew ratio, TDS estimate, extraction status, and grind advice. Shot history saved to your browser.
Baking & Oven
3 toolsDough percentages, pan swaps and oven temperature conversion.
- Home Bakers
Sourdough Hydration Calculator
Enter flour, water, starter hydration, and salt as baker's percentages to get gram weights for any batch size. True hydration accounting for starter.
- Home Bakers
Baking Pan Size Converter
Enter your recipe's pan and your pan, plus your ingredient list, and get amounts recalculated for your pan with bake time and temperature tips.
- Bakers / Home Cooks
Oven Temperature Converter
Enter any temperature - gas mark, conventional °C, fan oven °C, or Fahrenheit - and get all four equivalents instantly.
Sous Vide & Cooking
3 toolsTimes, temperatures and equipment checks for the water bath and the stove.
- Home Chefs / Restaurants
Sous Vide Time & Temperature Guide
Select protein, cut, doneness, and thickness to get target temperature, minimum safe time, and maximum cook time. Pasteurisation times included.
- Home Chefs / Restaurants
Sous Vide Container Size Calculator
Enter volume and circulator wattage to get heat-up time and whether the circulator can maintain temperature. Insulation comparison.
- Induction Stove Buyers
Induction Stove Cookware Compatibility Checker
Pick a cookware material to find out if it works on an induction stove, plus the magnet-test reminder.
Preserving & Fermenting
7 toolsCanning times, jam, cheese, masa and miso, plus batch planning for a freeze dryer.
- Home Canners
Canning Headspace & Processing Time Guide
Select food and jar size to get headspace, processing method, time, and altitude adjustment. USDA-based. Covers fruits, vegetables, pickles, jams, and meats.
- Home Canners & Food Preservers
Pressure Canning Process Time Lookup
Look up safe USDA-tested pressure canning times by food, pack style, jar size, and altitude. Get exact processing minutes and PSI settings in seconds.
- Home Preservers
Jam Making Calculator
Pick your fruit and weight to get sugar, added pectin, lemon juice, jar yield, water boiled off, and the altitude-adjusted gel point.
- Harvest Right Owners
Freeze Dryer Batch Time Planner
Free freeze dryer batch time calculator for Harvest Right and other home freeze dryers. Select your food, slice thickness, and load to get estimated batch hours, electricity cost, and freeze-dried yield weight.
- Home Cheesemakers / Small Dairies
Cheese Yield Calculator
Enter milk volume and fat percentage to get estimated cheese yield and whey produced for hard, semi-soft, or fresh cheese. Cost per kg included.
- Home Masa Makers
Nixtamalization Lime & Masa Yield Calculator
Turn a dry corn weight into the grams of cal, the steeping water, the nixtamal weight after the steep, the masa yield and the tortilla count, and convert a spoons-per-pound instruction into a real percentage.
- Home Fermenters
Miso & Shio-Koji Salt Percentage Calculator
Turn a soybean weight and a salt target into the salt in grams, the koji weight, the finished batch weight and the published fermentation window, and see the same salt figure read against dry beans, cooked beans and the whole batch.
Planning & Portions
4 toolsPortion a batch cook, track what needs eating first and check labels and caffeine totals.
- Batch Cooks / Meal Preppers
Meal Prep Container Portion Calculator
Split a batch cook evenly across containers by weight or by macros, with the remainder added to the last container.
- Home Cooks & Meal Planners
Food Pantry Freshness Planner
Track your pantry, fridge, and freezer items with expiry reminders and an eat-first priority list. Add items once and get instant freshness countdowns.
- Home Cooks / Health-Conscious Shoppers
Ultra Processed Food Score Calculator
Paste an ingredient list to get a NOVA-style ultra-processed estimate based on common additive markers. It is an estimate from the list you paste and not nutrition or medical advice.
- Energy Drink / Pre-Workout Users
Caffeine Stacking Calculator
Add coffee, energy drinks, pre-workout and soda to see a total caffeine figure for the day next to the tool's safe-limit guidance. It is not medical advice.
Which tool do I need?
- Convert a recipe to a different baking panBaking Pan Size Converter
- Convert gas mark, fan and Fahrenheit oven temperaturesOven Temperature Converter
- Get gram weights for a sourdough batchSourdough Hydration Calculator
- Correct a gravity reading taken at the wrong temperatureHydrometer Temperature Correction Calculator
- Work out the ABV of wine or meadWine & Mead Gravity to ABV Calculator
- Estimate the alcohol content of a cocktailCocktail Dilution & ABV Calculator
- Set a sous vide time and temperatureSous Vide Time & Temperature Guide
- Look up a pressure canning timePressure Canning Process Time Lookup
- Get sugar and pectin amounts for jamJam Making Calculator
- Dial in an espresso shotEspresso Extraction Log
- Split a batch cook into containersMeal Prep Container Portion Calculator
- Check whether a pan works on an induction hobInduction Stove Cookware Compatibility Checker
Food & Brewing FAQ
What is sourdough hydration?
It is the weight of water as a percentage of the weight of flour. The sourdough hydration calculator works in baker's percentages and counts the flour and water inside your starter to give the true hydration.
How do I correct a hydrometer reading for temperature?
Enter the gravity reading and the sample temperature into the hydrometer correction calculator. It returns the corrected specific gravity at 20°C and includes Brix and Plato values.
How do I calculate ABV from gravity readings?
Enter the original and final gravity. The wine and mead ABV calculator gives ABV by three formula methods, plus apparent attenuation and residual sugar.
Where do the canning times come from?
The canning guide and the pressure canning lookup are based on USDA-tested processing times. Both adjust for altitude, and the pressure canning tool lists exact minutes and PSI settings.
How does the sous vide calculator choose times?
Select the protein, cut, doneness and thickness. It returns a target temperature, a minimum safe time and a maximum cook time, with pasteurisation times included.
Are the nutrition and caffeine tools health advice?
No. The ultra processed food score and the caffeine calculator do arithmetic on the ingredients or drinks you enter. They do not give personal medical advice.
Related categories
Last updated: September 30, 2026