Sourdough Starter Calculator 🍞 Sourdough Starter Calculator Perfect feeding ratios, zero waste, optimal fermentation Starter Feeding Recipe Scaling Hydration Converter Fermentation Timer 🥄 Starter Feeding Calculator Current Starter Amount (g) Desired Total Amount (g) Hydration Level (%) 100% (Equal flour & water) 80% (Thicker consistency) 120% (Wetter consistency) Minimize Discard Normal Feeding Minimal Discard Calculate Feeding Ratio 📏 Recipe Scaling Calculator Current Starter Amount (g) Recipe Requires (g) Time Until Baking 4 hours 8 hours 12 hours 24 hours Room Temperature (°C) Calculate Recipe Scaling 💧 Hydration Level Converter Current Hydration (%) 100% 80% 120% Target Hydration (%) 80% 100% 120% Starter Amount (g) Convert Hydration Level ⏰ Fermentation Time Estimator Feeding Ratio 1:1:1 (Starter:Flour:Water) 1:2:2 (Stronger feed) 1:5:5 (Very strong feed) 1:10:10 (Maximum feed) Temperature (°C) Starter Health Healthy & Active Sluggish (needs revival) Cold from fridge Estimate Fermentation Time