Baking Time Calculator
Adjust baking times when changing pan sizes, oven types, or temperatures. Get accurate estimates for cakes, breads, cookies, and brownies.
Never under-bake or over-bake again. Our calculator accounts for pan depth, oven heat distribution, and temperature differences to give you reliable time adjustments.
Original Bake Settings
New Pan & Oven Settings
Baking Time Results
Enter your settings and click "Calculate Baking Time" to see results
Baking Tips
- Always start checking your bake a few minutes before the minimum recommended time
- Use the toothpick test for cakes and quick breads - it should come out clean or with moist crumbs
- Convection ovens circulate hot air and may bake faster than conventional ovens
- Dark pans absorb more heat and may require shorter baking times
Baking Time Calculator
Baking is precise, but real life often gets in the way. You change the pan size, use a different oven, or adjust the recipe, and suddenly the original baking time no longer works. That's where mistakes usually happen.
This Baking Time Calculator is designed to help you make those adjustments with confidence. You enter the original baking time and pan size, then select what you're changing. The calculator gives you a safe time range and tells you when to start checking your bake.
Instead of guessing or relying on exact numbers, the calculator focuses on realistic baking habits. It accounts for pan depth, oven type, and temperature differences, and gives gentle reminders like when to test for doneness.
The layout is simple and calm, so you can use it while cooking without feeling overwhelmed. Everything stays on one screen, and the results are easy to read at a glance.
Baking Time Adjustment Examples
Here are some common baking scenarios and how the calculator adjusts the times:
Common Baking Time Adjustments
| Recipe | Original Setup | Changes Made | Adjusted Time | Time Change |
|---|---|---|---|---|
| Chocolate Chip Cookies | 12 min 9×13" rectangular pan Conventional oven |
Switch to 9" round pan Convection oven |
9-11 min | -8% to -25% |
| Vanilla Cupcakes | 18 min 8" round pan Conventional oven |
Switch to muffin tin Same oven |
15-18 min | 0% to -17% |
| Banana Bread | 50 min 9×5" loaf pan Gas oven |
Switch to 8×4" pan Conventional oven |
55-60 min | +10% to +20% |
| Brownies | 25 min 8×8" square pan Conventional oven |
Switch to 9×13" pan Toaster oven |
20-23 min | -20% to -8% |
| Blueberry Muffins | 20 min Standard muffin tin Conventional oven |
Increase temp to 400°F Same everything |
16-19 min | -20% to -5% |
| Layer Cake | 30 min 9" round pans (2) Conventional oven |
Switch to 8" round pans Convection oven |
25-28 min | -17% to -7% |
| Sourdough Bread | 45 min 9×5" loaf pan Conventional oven |
Bake on stone/tray Convection oven |
38-43 min | -16% to -4% |
| Sheet Cake | 28 min 9×13" sheet pan Conventional oven |
Switch to two 8" rounds Gas oven |
32-36 min | +14% to +29% |
| Pound Cake | 65 min 9×5" loaf pan 350°F conventional |
Same pan 325°F convection |
55-62 min | -15% to -5% |
| Focaccia | 22 min 9×13" baking sheet 450°F conventional |
Switch to 10×15" sheet 425°F gas oven |
25-28 min | +14% to +27% |
| Cornbread | 25 min 8×8" square pan 400°F conventional |
Cast iron skillet 425°F toaster oven |
20-23 min | -20% to -8% |
* Times are approximate ranges. Always check for doneness using visual cues and tests.
Whether you're baking a cake, bread, or brownies, this tool helps you adapt recipes without stress. It won't replace experience, but it gives you a reliable starting point every time you need to adjust a bake.
How to Use the Baking Time Calculator
Set Original Recipe
Enter the original baking time, pan size, temperature, and oven type
Choose New Settings
Select your new pan size and oven type
Calculate Time
Click calculate to get your adjusted baking time range
Monitor & Test
Start checking at the suggested time using doneness tests