Kitchen Tools
Smart calculators for cooking and baking. All data from authoritative sources (USDA, FDA, King Arthur Baking, Indonesian Ministry of Health) — no estimates, no AI guesses.
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Multi-Timer Kitchen
Run multiple cooking timers in parallel — boil eggs, roast chicken, steam vegetables simultaneously. Sound, vibration, and notifications.
USDA Food SafetyStandard practices - 🌡️
Oven Temperature Converter
Convert between Celsius, Fahrenheit, and UK Gas Mark. Reference table for 11 common baking temperatures.
NISTUK Cooker MA - 💪
BMI + Calorie Calculator
BMI, BMR (Mifflin-St Jeor), TDEE, and daily calorie target with macro breakdown for weight goals.
WHOMifflin-St Jeor 1990 - 🥚
Egg Boiling Time
Perfect boiled eggs every time — soft, jammy, medium, or hard, adjusted for egg size (S/M/L/XL).
America's Test KitchenUSDA Food Safety - 🍗
Chicken Cooking Time
Cooking times for all chicken cuts (whole, breast, thigh, wings) × all methods (roast, pan-fry, deep-fry, boil, grill, bake).
USDA FSISAmerica's Test Kitchen - 🔥
Frying Temperature Without Thermometer
Test oil temp using wooden chopstick, flour sprinkle, or toast bread. Per food type table for ideal frying temperatures.
USDA Food SafetyModernist Cuisine - 🥐
Dough Hydration Calculator
Baker's percentage breakdown for 8 dough types (bread, pizza, doughnuts, ciabatta, sourdough). 50%-75% hydration range.
King Arthur BakingPeter Reinhart - 🍚
Rice Cooking Calculator
Water ratios and cooking times for 8 rice types (white, basmati, glutinous, brown) × 4 methods (rice cooker, pot, pressure, steam).
BulogUSDAKemenkes TKPI - 🌶️
Indonesian Spice Calculator
Auto-scale authentic Indonesian recipes: rendang, opor, soto, gulai, sambal, semur, rawon. Cited from Sajian Sedap & William Wongso.
Sajian SedapWilliam Wongso - 🔄
Ingredient Substitutions
Out of butter, eggs, buttermilk, or yeast? Get the right substitute with the correct ratio plus recipe-fit notes (good for / avoid for).
King Arthur BakingAmerica's Test Kitchen - 🎉
Event Catering Calculator
How much food + drink per person for dinner party, BBQ, buffet, brunch, holiday dinner, or cocktail reception. 6 event types × any guest count.
USDA Mixing BowlNational Restaurant Association - 🥗
Recipe Nutrition Calculator
Build a recipe ingredient list, get total nutrition + per serving + % FDA Daily Value (calories, protein, fat, carbs, fiber, sodium).
USDA FoodData CentralFDA 21 CFR 101.9 - 📐
Recipe Scaling Calculator
Auto-scale recipe ingredients by serving count. Smart leavening reduction for high multipliers.
King Arthur BakingAmerica's Test Kitchen - 🛢️
Oil Reuse Tracker
Track each batch of cooking oil. Auto-warning at 3× reuse limit (per USDA & Indonesian MoH). Avoid carcinogenic compounds from over-used oil.
Permenkes RI No. 28/2019USDA - 🥩
Safe Internal Temperature
Minimum safe temperatures for chicken, beef, pork, lamb, fish, eggs, and leftovers from USDA FSIS. Plus visual checks for cooking without thermometer.
USDA FSISFDA Food Code 2017 - 🍰
Baking Pan Converter
Recipe is for 9-inch round but you have 8×8 square? Auto-calculate recipe multiplier based on pan surface area.
King Arthur BakingJoy of Baking - 👶
RDA for Kids & Pregnancy
Daily nutritional needs for infants, toddlers, children, pregnant women per trimester, and breastfeeding mothers based on Indonesian Permenkes No. 28/2019.
Permenkes RI No. 28/2019WHO/FAO - ❄️
Food Storage Time
How long ingredients are safe at room temperature, refrigerator, or freezer. 25+ ingredients across all categories from USDA FSIS Cold Food Storage Chart.
USDA FSISFDA FoodKeeper