Dairy & Eggs
Sweetened Condensed Milk Conversion
Sweetened Condensed Milk weighs 306g per US cup.
| Amount | Grams | Ounces |
|---|---|---|
| 1 cup | 306.0 g | 10.79 oz |
| 1/2 cup | 153.0 g | 5.40 oz |
| 1/4 cup | 76.5 g | 2.70 oz |
| 1 tbsp | 19.1 g | 0.67 oz |
| 1 tsp | 6.4 g | 0.22 oz |
| 100 g | 100.0 g | 3.53 oz |
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Sweetened condensed milk weighs 306 grams per cup, notably heavier than evaporated milk, since it's milk that's been both reduced in water content AND had a substantial amount of sugar added before canning — a combination that produces its thick, syrupy texture and intense sweetness, genuinely different from evaporated milk's plain, unsweetened concentration.
It was patented in 1856 by Gail Borden, developed specifically to give milk a long, stable shelf life before refrigeration was reliably available — the sugar content acts as a preservative alongside the reduced water content, which is part of why an unopened can has such a notably long shelf life even at room temperature.
Sweetened condensed milk's thick, concentrated sweetness anchors key lime pie's filling and countless fudge recipes, where its role depends on that specific density and sugar load rather than generic dairy richness a substitute could easily stand in for — a can of it slow-cooked whole, still sealed, is also the shortcut route to homemade dulce de leche.
Condensed milk's long unopened shelf life comes from its combination of sterilizing heat during canning and a sugar concentration high enough to resist microbial growth on its own.
A no-churn ice cream base, whipping cream folded together with sweetened condensed milk, is a popular home-cooking shortcut that skips the need for an ice cream maker entirely.
Thai iced tea and Vietnamese coffee both traditionally use sweetened condensed milk rather than sugar and cream separately, since it delivers concentrated sweetness and richness in a single, shelf-stable ingredient well suited to a strong, brewed beverage.
Magic cookie bars, a layered no-bake-adjacent dessert built on a graham cracker crust, rely on sweetened condensed milk poured over chocolate chips, coconut, and nuts to bind everything together as it bakes.
How long does it last?
Storage & shelf life →
Frequently asked questions
Can I substitute regular milk and sugar for sweetened condensed milk?
Not directly with good results — the recipe would need extensive reduction to reach condensed milk's thick, syrupy consistency, which isn't practical to replicate quickly; recipes calling for sweetened condensed milk are relying on both its concentration and its specific texture.
Why was sweetened condensed milk invented?
Gail Borden patented it in 1856 specifically to give milk a long, stable shelf life before reliable refrigeration existed — the added sugar and reduced water content both act as preservatives, letting it keep far longer unopened than fresh milk ever could.
Is dulce de leche made from sweetened condensed milk?
It can be — the shortcut method submerges an unopened can in simmering water for a couple of hours, and the pressure and heat turn the contents into thick, caramel-colored dulce de leche, though the traditional version starts from scratch with just milk and sugar cooked down slowly.
Does sweetened condensed milk need refrigeration before opening?
No — like evaporated milk, it's shelf-stable unopened thanks to the canning process and its own sugar content, needing refrigeration only after the can is opened.
Can sweetened condensed milk be used in coffee or tea?
Yes — it's a traditional sweetener and creamer in Vietnamese coffee and in some other regional coffee and tea preparations, where its thick sweetness replaces both sugar and milk in one ingredient.