AnythingOnline / Free calculators and utilities

Food & Brewing calculators

Choose a task below. Check each calculator’s assumptions and units before using its result.

Free Lambic & Sour Beer Barrel Aging Calculator

Calculate oak barrel ullage loss (% per month), compute topping-up beer requirements, quantify wood surface area exposure ($ ext{cm}^2/ ext{L}$), and track multi-year maturation.

Free Maple Syrup Sap to Syrup Calculator

Calculate finished maple syrup yield, gallons of sap required via the Rule of 86, boiling evaporation hours, and finished hydrometer temperatures.

Free Mash Strike Water Temperature Calculator

Hit your mash rest temperature on the nose: calculate exact strike water heat, water-to-grain ratios, and mash tun thermal absorption.

Free Mead Honey & Gravity Calculator

Calculate pounds of honey required per gallon, target Original Gravity (OG / Brix), residual sweetness, and potential alcohol by volume (ABV%).

Free Meat Curing Salt Calculator

Calculate food-safe Prague Powder #1 and #2 cure weights, kosher salt, and sugar for equilibrium cured bacon, jerky, and charcuterie.

Free Miso Fermentation Ratio Calculator

Balance dry soybeans, rice koji, salt percentage, and pressing weights for authentic Japanese Sweet White (Shiro), Mild Yellow (Shinshu), and Dark Red (Akamiso) miso.

Free Neapolitan Pizza Dough Fermentation Calculator

Formulate authentic AVPN (Associazione Verace Pizza Napoletana) certified dough: calculate baker's percentages, scale fresh or dry yeast down to $0.05%$, and schedule RT & cold proofing.

Free Panettone Pasta Madre & Dough Calculator

Scale artisanal Italian panettone batches, pasta madre refreshment schedules, bagnetto washes, primo & secondo impasto partitioning, and fermentation pH thresholds.

Free Sourdough Bulk Fermentation & DDT Calculator

Calculate exact mixing water temperature (DDT) factoring flour temp, ambient room temp, starter temp, and mixer friction, and predict bulk rise hours.

Free Sourdough Starter Feeding Calculator

Calculate precise feeding weights in grams, tailor hydration percentages, and predict peak fermentation timing by room temperature.

Free Tempeh Starter & Incubation Calculator

Calculate dry soybean yield, lactic/acetic acid dosing for mold inhibition, Rhizopus starter culture weights, and master the two-phase incubation metabolic heat curve.

Free Traditional Garum & Fish Sauce Calculator

Balance salt ratios for autolytic enzymatic proteolysis, prevent pathogenic spoilage, and calculate temperature acceleration curves for Roman garum and Asian fish sauce.

Free Vinegar Mother Acetic Acid Dilution Calculator

Balance alcohol levels for Acetobacter bacteria, calculate water dilution for leftover wine/cider, predict finished acetic acid strength, and adjust to FDA 5% pickling acidity.

Free Water Hardness Converter & Calculator

Convert between dGH, dKH, and ppm CaCO3, and calculate remineralization for coffee.

Free Water Kefir (Tibicos) Fermentation Calculator

Cultivate thriving probiotic water kefir grains (tibicos). Calculate cane sugar ratios, essential mineral water hardness, and F2 fruit juice carbonation.

Free Wild Ginger Bug & Fermented Ginger Beer Calculator

Brew fiery, naturally carbonated probiotic ginger beer. Calculate ginger bug starter ratios, spicy ginger decoction tea infusion, and safe bottle conditioning.

Free Wine Must Brix & Specific Gravity Calculator

Convert hydrometer Specific Gravity to °Brix, calculate potential alcohol (ABV %), chaptalization sugar dosing, and water dilution.

Free Yeast Pitch Rate Calculator

Determine exact target yeast cell counts, account for packet manufacturing age viability, and calculate required stir-plate starter volume.

Grease Trap Sizing Calculator - GPM Flow & DFU Capacity

Determine peak wastewater flow rates in GPM, grease holding capacity (lbs), and pumping service intervals per PDI G-101 and Uniform Plumbing Code (UPC).

Hard Cider Back-Sweetening & Potassium Sorbate Calculator

Calculate sweetener dosing (sugar, honey, juice concentrate) to reach your target cider gravity and prevent exploding bottles with potassium sorbate.

Homemade Natto Fermentation & Bacillus Subtilis Calculator

Calculate dry soybean soaking expansion, *Bacillus subtilis* spore powder dosing, shallow incubation bed aeration, and mucilage nattokinase development.

Hydrometer Temp Correction Calculator - Gravity Offset

Adjust glass hydrometer gravity readings for hot wort or chilled cellar temperatures.

Ice Machine Sizing Calculator - Commercial Daily Demand

Determine 24-hour ice harvest capacity (lbs/day), storage bin sizing, and summer derating factors for restaurants, bars, hotels, and healthcare.

Kitchen Exhaust Hood CFM Calculator - Ventilation Sizing

Determine exhaust fan CFM airflow, make-up air volume (MUA), and NFPA 96 grease duct velocities based on cooking equipment duty and hood styles.

Kombucha Continuous Brew Ratio & Acidity pH Calculator

Optimize continuous brew vessel drawdown harvests, sweet tea replenishment ratios, acid safety buffering (pH ≤ 4.2), and fermentation cycle times.

Mash Water Calculator - Strike Temp & Sparge Volume

Determine strike water infusion temperature, grain absorption losses, and sparge requirements.

Mead Staggered Nutrient Addition (SNA) TONSA 3.0 Calculator

Calculate total Yeast Assimilable Nitrogen (YAN) requirements and four-stage organic Fermaid O additions (TONSA 3.0) to achieve clean, fast, ester-rich mead fermentations.

Montreal vs New York Bagel Dough & Kettle Boil Calculator

Scale authentic New York and Montreal bagel batches, calculate stiff hydration (48-55%), barley malt syrup dosing, boiling kettle additives, and baking schedules.

Parmigiano-Reggiano & Grana Padano Cheese Calculator

Balance milk fat-to-casein ratios, calculate natural whey starter acidity, control the 55°C cooking syneresis curve, and project finished 24-month aged wheel yields.

Pasta Filata Mozzarella Curd pH & Stretching Calculator

Master the critical pH 5.10 - 5.30 acidification stretch window, model casein micelle calcium demineralization, and optimize 85°C hot water stretching yields.

Pâté en Croûte & Terrine Calculator

Balance primary meat-to-fat farce ratios, titrate Prague Powder #1 curing salt, compute panade hydration, and formulate sliceable savory aspic jelly.

Prosciutto & Dry-Cured Ham Salting & Weight Loss Calculator

Model artisanal whole bone-in ham curing, calculate precise salt contact days, multi-stage resting diffusion, and evaporation weight loss to guarantee microbiological water activity (Aw) stability.

Ramen Shoyu Tare Salinity & Umami Synergism Calculator

Formulate artisanal ramen tare blends, titrate exact bowl salinity percentages, calculate sake/mirin alcohol reduction, and model glutamate-inosinate synergy.

Refractometer Calculator - Brix to FG Gravity & ABV

Convert optical refractometer Brix readings into true Final Gravity, compensating for alcohol distortion.

Sourdough Croissant Lamination & Butter Block Ratio

Calculate stiff détrempe dough hydration ($48\% – 52\%$), butter block (*beurrage*) weight, cultured butter fat %, and lamination folding layer mathematics.

Sourdough Fresh Pasta Hydration & Egg Absorption Calculator

Balance sourdough discard water/flour contribution, egg moisture (74% water in whole eggs), and durum semolina absorption for stiff extruded or supple rolled pasta.

Sourdough Hydration & Baker's Percentage Calculator

Calculate true total dough hydration percentage including starter and water temperature.

Sourdough Hydration & Baker’s Percentage Calculator

Calculate true total dough hydration, levain starter flour/water splits, baker's percentages, and dough yield weight.

Sourdough Starter Feeding & Hydration Ratio Calculator

Calculate precise flour, water, and carryover starter weights for any feeding ratio (1:1:1 to 1:5:5) and predict hours until peak leavening rise.

Traditional Balsamic Vinegar Solera Battery Calculator

Simulate Aceto Balsamico Tradizionale di Modena DOP cask cascades, annual travaso transfers, attic evaporation loss, and 12-to-25-year Brix sugar densification.

Traditional Korean Makgeolli Rice Wine & Nuruk Calculator

Formulate single-stage (*Danhyosik*) or two-stage (*Ihyosik*) brews, Nuruk wheat cake enzyme ratios, raw *wonju* ABV, and drinking dilution yield.

Traditional Shoyu (Soy Sauce) Moromi Brine Calculator

Formulate authentic Japanese artisanal soy sauce. Balance whole soybeans, cracked roasted wheat, moromi salt brine salinity (18-20%), and paddling schedules.

Walk-In Cooler BTU Calculator - Box Refrigeration Load

Calculate total refrigeration heat load, wall transmission, air changes, product pull-down BTU, and required condensing unit capacity.