Measurements & Conversions

Type into any field to convert live. Pan sizes and oven temperatures below.

Live Calculators

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Volume
tsptsp
tbsptbsp
fl ozfl oz
cupscup
pintspt
quartsqt
gallonsgal
mlml
litersL
Weight
gramsg
kgkg
ouncesoz
poundslb
Common Weights
AP flour, 1 cup120–130 g
Bread flour, 1 cup130 g
Butter, 1 cup227 g
Sugar, 1 cup200 g
Brown sugar, 1 cup213 g
Honey, 1 cup340 g
Temperature
Fahrenheit
Celsius
Quick Reference
Water boils212°F / 100°C
Simmer185–205°F / 85–96°C
Soft ball (candy)235–240°F / 113–116°C
Hard crack (candy)300–310°F / 149–154°C
Caramel340–360°F / 171–182°C
Deep fry oil350–375°F / 177–190°C

Oven Temperatures

Convection adjustment: Reduce temperature by 25°F (15°C), or reduce bake time by 20–25%. Don't do both at once.
DescriptionFahrenheitCelsiusGas Mark
Very slow / Warm250°F120°C½
Slow300°F150°C2
Moderately slow325°F165°C3
Moderate350°F175°C4
Moderately hot375°F190°C5
Hot400°F205°C6
Very hot425–450°F220–230°C7–8
Extremely hot475–500°F245–260°C9

Pan Sizes

Swapping pans: When using a different size, match the volume (cups), not the shape. A smaller, deeper pan needs lower temperature and longer time. A larger, shallower pan needs higher temperature and less time.
PanVolume (cups)MetricCommon Uses
8" round (2" deep)61.4 LLayer cakes, tortes
9" round (2" deep)81.9 LLayer cakes, tarts
8" square (2" deep)81.9 LBrownies, bar cookies
9" square (2" deep)102.4 LCakes, coffee cake, bars
9×13" rectangle (2")143.3 LSheet cake, casseroles, bars
9×5" loaf81.9 LSandwich bread, meatloaf
8½×4½" loaf61.4 LQuick breads, pound cake
9" springform102.4 LCheesecakes, tortes
10" bundt / tube122.8 LBundt cakes, angel food
9" deep-dish pie61.4 LPies, quiche
11×17" jelly roll102.4 LSwiss rolls, thin sheet cake
Half sheet (13×18")Cookies, roasting, sheet pans
Common swaps: 8" round ≈ 8" square (same volume). Two 8" rounds ≈ one 9×13". 9×5" loaf ≈ two 5×3" mini loaf pans. Always adjust time when depth changes.

Baking Ingredient Weights

Why a generic weight calculator won't do this: a cup of flour and a cup of honey weigh completely different amounts — density depends on the ingredient, not just the volume. These are the weights recipes actually mean when they say "1 cup."
IngredientVolumeWeight (grams)
All-purpose flour (spooned & leveled)1 cup120 g
Bread flour (spooned & leveled)1 cup120 g
Granulated sugar1 cup200 g
Brown sugar, packed1 cup200 g
Powdered (confectioners') sugar1 cup120 g
Butter1 cup (2 sticks)227 g
Unsweetened cocoa powder1 cup85 g
Honey1 cup340 g
Rolled oats1 cup90 g
Uncooked long-grain rice1 cup185 g
Cornmeal1 cup155 g
Flour is the one to watch: scooping the measuring cup directly into the bag packs it down and can weigh 20–30% more than spooning flour in and leveling it off. If a recipe's texture is coming out dense or dry, this is usually why — weighing it removes the guesswork entirely.
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