🍞SourdoughCalc
Independent Tool ComparisonCategory: web calculator

Foodgeek Bread Calculator Alternative

Why artisan bakers are switching from Foodgeek to SourdoughCalc for True Total Hydration & crushed-ice DDT thermodynamics.

Foodgeek’s bread calculator is a beloved pioneer in the sourdough YouTube community. However, it still relies on conventional baker’s math where the levain is treated as an isolated ingredient. It does not account for the 50% hidden water inside 100% hydration starter, leading to unexpected +2.5%~3.2% water surges, and its water temp calculation fails when summer kitchens require temperatures below freezing (32°F / 0°C).

When Foodgeek Bread Calculator (Sune Trudslev) Works Well:Basic baker's percentage recipes with standard white flour.
Primary Bottleneck / Reason Bakers Switch:No True Total Hydration reconciliation and no latent-heat crushed ice calculation for warm kitchens.
900g Loaf True Hydration
73.0% Solved (vs 70% Naive)
Starter Water Deduction
-15.0g Main Water Auto-Fix
82°F Summer DDT Ice
80 cal/g Latent Heat Solver
Pricing & Architecture
100% Free PWA vs Free (Ad-supported)

Boundary Caveat: Uncompensated baker's math in Foodgeek Bread Calculator (Sune Trudslev) shifts true dough hydration by +2.7% to +3.2% whenever you scale levain from 15% to 25% or switch between 100% liquid and 50% stiff starter; test your exact formula in the live True Hydration solver embedded below.

Side-by-Side Feature Matrix

Comparing software capabilities, mathematical precision, and user experience.

Feature🍞 SourdoughCalcFoodgeek Bread Calculator (Sune Trudslev)
True Total Hydration Correction
Yes (Recalculates true polymer water across flour & starter)
No (Treats starter as separate, causing 2.7%+ water surge)
Summer DDT Crushed-Ice Math
Yes (80 cal/g phase change latent heat formula)
No (Returns impossible sub-zero liquid water temperatures)
Multi-Flour Absorption Limits
Yes (Dynamic absorption weights for Bread, Whole Wheat, Rye, Spelt)
Partial (Allows adding flours, but does not model absorption limits)
Kitchen Screen Wake Lock
Yes (Keeps phone screen on while kneading with floury hands)
No (Display times out repeatedly)
User Interface & Ads
100% Free, Ad-Free, Modern PWA Edge-Rendered
Ad-heavy layout with banner interruptions

Worked Numerical Benchmark: 900g Country Loaf @ 75% Target Hydration & 82°F Kitchen

Quantitative comparison of exact gram and thermal outputs between SourdoughCalc's coupled physics engine and Foodgeek Bread Calculator (Sune Trudslev).

Benchmark Parameter (500g Total Flour Base)SourdoughCalc Coupled Physics OutputFoodgeek Bread Calculator (Sune Trudslev) Standard OutputReal-World Baking Impact
Main Flour + 20% Liquid Levain (100g)450g Main Flour + 50g Starter Flour (500g Total)500g Main Flour + 50g Unreconciled Starter FlourPrevents +10% unintended batch weight inflation
Main Water for True 75.0% Hydration325.0g Main Water + 50.0g Starter Water = 75.0% True375.0g Main Water + 50.0g Starter Water = 77.3% TrueEliminates +2.3% hydration overshoot & soupy shaping
82°F Summer Kitchen Strike Water (75°F DDT)61.4g Crushed Ice + 263.6g Tap Water (80 cal/g)39.0°F Liquid Water (Impossible from 68°F Summer Tap)Prevents 81°F+ runaway protease gluten degradation
9-Inch Sloped Bowl Bulk Cutoff (78°F Dough)+40% Volume = +29.5% Vertical Wall Rise (4.2h)Generic +50% to +100% Straight-Cylinder AssumptionStops late-stage overproofing in flared mixing bowls
50% Stiff Levain Conversion (100g Inoculation)Auto-Rebalances to 66.7g Flour + 33.3g WaterManual Scratchpad Recalculation RequiredZero hydration drift when switching to Pasta Madre

Deep-Dive Technical Teardown: Why Bakers Switch

Understanding the mathematical discrepancies, UX friction, and real-world baking consequences.

1. Foodgeek Bread Calculator Formula vs. True Total Hydration (+3% Water Surge)

In Foodgeek's calculator, if you enter 500g flour at 75% hydration with 100g starter, the tool tells you to add 375g water. But because a standard 100% hydration starter contains 50g water and 50g flour, your dough actually contains 425g water and 550g flour—a True Total Hydration of 77.3%. SourdoughCalc corrects this polymer balance dynamically so your dough never becomes an unintentional puddle.

2. The Summer Kitchen Failure: Liquid Water Cannot Drop Below 32°F

When summer room temperatures reach 82°F-86°F, Foodgeek's DDT formula frequently outputs target water temperatures of 15°F to 25°F. Liquid water cannot exist at these temperatures. SourdoughCalc solves this with thermodynamics, calculating exact crushed ice grams using the 80 cal/g latent heat of fusion.

3. Distraction-Free, Zero-Ad Experience

While Foodgeek surrounds its calculation engine with display ads and video embeds, SourdoughCalc is engineered as a clean, high-performance web app optimized for mobile kitchen counters.

Try It Right Here

Test True Total Hydration Live

Experience real-time starter water reconciliation, multi-flour absorption weighting, and thermodynamic crushed ice calculation directly below.

V0.1.0 Artisan EngineZero Server Latency • True Hydration Corrected

Artisan Sourdough Hydration & Dough Feel Calculator

Instant Formula Presets
Standard Banneton Sizes
units
grams
Target Water Hydration

Water percentage added to main dough

70%Recomm: 68.8%
60% (Stiff Bagel)70% (Classic Loaf)78% (Open Crumb)85%+ (Ciabatta/Extreme)
Active Levain (Starter)20%
Standard: 20% (100g per 500g flour)Feeding Tool →
%

40% - 150% (50% Stiff / 100% Standard / 125% Liquid)

Fine Sea Salt2.0%
Standard: 2.0% (Tightens gluten mesh)
Bakers Salt Range: 1.8% (Mild) to 2.2% (Rustic / High Hydration)

Salt tightens the gluten mesh and regulates fermentation rate.

TRUE HYDRATION METRICPhysics Corrected
72.7%
True Total HydrationApparent: 70%
Starter moisture impact: Your levain supplies 47g water and 47g flour (100% hydration), elevating true dough hydration by +2.7%.
Dough Feel & Handling Guide
Moderate
Stickiness
3/5 Mod Tack
ExtensibilityHighEasy to Stretch
ElasticitySuppleSpring & Bounce
Handling Protocol:Wet hands protocol: dip hands in cool water before folds to eliminate sticking. Perform 3 coil folds. Bench rest 20 min before final shaping with gentle cupping.
Ingredient ChecklistBatch Total: 900g
Main Dough Flour100.0% Baker's
469g
• Bread Flour (80%)376g
• Whole Wheat Flour (15%)70g
• Dark Rye Flour (5%)23g
Main Added Water69.9%
328g
• Autolyse Water (90%)295g
• Bassinage Water (Reserved w/ Salt)33g
Active Levain (Starter)20.0%
(47g flour + 47g water)Feed 94g →
94g
Fine Sea Salt2.0%
(2.0% salinity)
9.4g

Screen keep-awake • Step-by-step timer • Bulk Rise sync (282m)

</> Embed this Calculator on Your Site
▼

Add this interactive True Total Hydration & DDT calculator to your baking blog, recipe card, or food science guide. Copy and paste the responsive HTML snippet below:

<iframe src="https://sourdoughcalc.app/embed" width="100%" height="520" style="border:1px solid #e5e7eb; border-radius:12px;" loading="lazy"></iframe>
<p style="font-size:12px; color:#6b7280; text-align:right; margin-top:4px;">
  Powered by <a href="https://sourdoughcalc.app/" target="_blank" rel="dofollow">SourdoughCalc – Free Sourdough Hydration &amp; Fermentation Calculator</a>
</p>

Frequently Asked Questions

Q:Is SourdoughCalc completely free to use compared to Foodgeek?

Yes, SourdoughCalc is 100% free with no paywalls, subscriptions, or intrusive display advertisements.

Q:Can I import my Foodgeek recipe percentages into SourdoughCalc?

Yes, simply enter your total flour weight, target hydration, and levain percentage into SourdoughCalc. It will instantly show both apparent hydration and true total hydration.

Q:How does the Foodgeek Bread Calculator handle starter water compared to SourdoughCalc?

In the Foodgeek Bread Calculator, a 500g flour recipe at 75% hydration is reported as exactly 75% regardless of starter, because the tool indexes only the main flour and water. SourdoughCalc isolates the 50g flour and 50g water hidden inside the 100g starter and reports the true 77.3% total hydration, then warns you before the blend crosses your flour's absorption ceiling.

Specialized Engineering Suite

Specialized Sourdough Calculators & Science Deep-Dives

Explore dedicated rheology solvers, fermentation geometry calculators, and peer-reviewed baking science masterclasses.

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