Skip to content
CrumbCalc

Baking math, explained

Guides to the numbers behind baking — written around the calculators themselves. Every figure is computed by the same tested code that powers the tools, and the relevant calculator is embedded right where you need it. No stale tables, no guesswork.

August 14, 2026

How to Convert a Cake Recipe to a Different Pan Size

The complete method for adapting any cake recipe to the pan you actually own: scaling by volume, adjusting bake time and temperature, and the conversions that don't work.

Read the guide →

August 14, 2026

How to Double a Recipe — What Scales and What Doesn't

Doubling ingredients is the easy part. Pans, bake times, leavening, spices and eggs each follow different rules — here's each one, with the math done for you.

Read the guide →

August 14, 2026

Grams vs Cups: Why Serious Bakers Measure by Weight

The same cup of flour can weigh 120 g or 160 g depending on who scoops it — enough to ruin a cake. What the variance really is, and how to switch to weighing without rewriting your recipes.

Read the guide →

August 14, 2026

Thanksgiving Baking Math: Pies, Portions and Oven Scheduling

How many pies for your table, how to scale one crust recipe to a holiday batch, and how to sequence pies, sides and a turkey through one oven — worked out, not guessed.

Read the guide →

August 15, 2026

Baking at High Altitude: What Changes, and What to Do About It

Why thin air breaks sea-level recipes, what the published adjustment tables actually say, and how bread, cookies, candy and frying each behave differently above 3,000 feet.

Read the guide →

August 15, 2026

How Much Buttercream Do You Need? The Math, Worked Out

Why frosting charts all disagree, the three surfaces that actually determine the amount, and how to turn cups-needed into batches of your own recipe — with the calculator built in.

Read the guide →

August 14, 2026

Christmas Cookie Math: Batch Scaling, Cookie Exchanges & Make-Ahead

How many batches for the cookie exchange and the gift list, how to triple a dough in one bowl, and the freezer schedule that moves December's baking into November.

Read the guide →