How Do Espresso, Long Black and Milk Coffee Ratios Differ?

Espresso is the base of the Italian coffee system, and its ratios define everything built on it. A standard shot uses a powder-to-liquid ratio of about 1:1.5 to 1:2.5, so 20 grams of coffee yields roughly 40 grams of liquid in 25 to 30 seconds. Ristretto pulls only the front and middle stages at 1:1 to 1:1.5, while Lungo stretches to 1:4 or 1:5.

Black coffee splits into Americano, which adds water to espresso, and long black, which pours espresso over water and keeps more crema. The milk family follows its own logic: latte, cappuccino, macchiato, flat white, and piccolo, whose ingredients pair a ristretto-style base with a small amount of steamed milk. Mocha, Marocchino, Affogato, and Con Panna sit alongside them as Italian specialties.

The world of Italian coffee is far richer than a single cup of Espresso. From the three variations of the espresso base—Espresso, Ristretto, and Lungo—to the black coffee camp's Americano and Long Black, and then to the milk coffee family's Latte, Cappuccino, Macchiato, Flat White, and Piccolo, each has its own unique ratio logic and flavor orientation. In addition, there are Italian specialties like Mocha, Marocchino, Affogato, and Con Panna, as well as the recently popular Dirty and European-style iced shaken coffee. This article will systematically sort out the preparation recipes and proportional relationships of these fancy coffees, helping coffee lovers understand the differences and connections between them, so that whether ordering daily or making them yourself, you can have a clear understanding.

The "Three Brothers" of Espresso

Espresso is the core base of all Italian drinks in a café, occupying a position akin to the soul. But if you seriously study the Italian coffee system, you will find that it is not an "only child"—it has two brothers of the same school: Ristretto and Lungo.

From left to right in the image: Lungo, Espresso, Ristretto

For conventional Espresso extraction, the powder-to-liquid ratio is usually controlled between 1:1.5 and 1:2.5. For example, using 20 grams of coffee powder, extract 40 grams of coffee liquid within 25 to 30 seconds. Ristretto, on the other hand, only takes the front and middle stages of extraction. With the same 20 grams of powder, at a ratio of 1:1 to 1:1.5, only about 28 grams of coffee liquid is obtained, taking about 20 seconds. Lungo takes another path, increasing the liquid volume by extending the extraction time. The powder-to-liquid ratio can be expanded to 1:4 to 1:5, meaning 20 grams of powder extracts about 100 grams of coffee liquid, taking nearly a minute.

Compared with standard Espresso, Ristretto has a more condensed and concentrated flavor, but a slightly shorter finish, and is often used as the base for a Flat White; while Lungo, because it is diluted by a large amount of hot water, has a thinner mouthfeel with bitterness, and can basically be regarded as an over-extracted product.

In addition to the three brothers of espresso, Italy also has a heavier-bodied espresso: Doppio. If you order a double espresso in a shop, you will get two normally extracted espressos; but when you order a Doppio, the barista will use double the dose of powder to make only one espresso. With more powder and less liquid weight, the concentration is naturally higher.

Members of the Black Coffee Family

When it comes to black coffee, almost everyone knows Americano. It consists only of Espresso and water, and is called "the Americans' coffee." With its approachable style and suitability for both hot and iced drinks, it has long occupied the top spot in sales on Italian menus.

Australia also has a local coffee called "Long Black," which likewise uses only espresso and water. The core difference between Americano and Long Black lies in the amount of water added: in a Long Black, the ratio of Espresso to water is usually 1:3, while an Americano adds more water, about 1:5 to 1:8. Therefore, Long Black has a richer taste than Americano, and can only be made as a hot drink.

Members of the Milk Coffee Family

To talk about the milk coffee family, we must start with the globally popular Latte. Latte in Italian simply means milk. If you want to drink milk coffee locally, you have to say "Caffe latte." But outside Italy, Latte is by default understood to mean latte coffee, with a ratio of espresso to milk of about 1:5 to 1:8.

In fact, before latte became popular, what people called milk coffee referred to Cappuccino. When making it, coffee, milk, and milk foam are combined in a 1:1:1 ratio. The upper layer of milk foam is so thick that it overflows the rim of the cup, allowing you to enjoy both the dense milk foam and the rich coffee. In addition, there is another espresso with milk foam—Macchiato. A spoonful of delicate hot milk foam is dotted on top of the espresso. Because the amount of added milk is very small, the taste is intense, with a flavor between espresso and cappuccino.

Top: Cappuccino Bottom: Macchiato

Like Long Black, when latte arrived in Australia, it adapted to local tastes by becoming thinner in milk foam and reduced in milk volume, thus evolving into the Flat White. To reduce waste when dialing in coffee beans, Australian baristas also invented a smaller latte—Piccolo Latte. The Piccolo is served in only a 3-ounce cup, using a single shot of espresso mixed with a small amount of steamed milk. Compared with latte, both Flat White and Piccolo have a richer taste and more prominently highlight the flavor of the beans themselves, and can only be made as hot drinks.

Left: Flat White Right: Piccolo

As for the "internet-famous" Dirty, it is not a traditional Italian coffee, but a later improved version of iced latte. Freshly extracted espresso is poured directly over iced milk to form layers. Not only is it visually appealing, but it also has a rich and fragrant taste, no wonder it has become popular all over the internet.

Members of Italian Specialty Coffee

In order to make more people accept the bitter and hard-to-swallow espresso, people add various auxiliary ingredients to coffee according to local conditions to neutralize its intensity. Thus Italian specialty coffee came into being.

Adding chocolate flavoring on the basis of latte gives traditional Italian Mocha Cafe. Another Italian drink that also has chocolate flavor is caffè marocchino. When making it, first add one shot to a 60 ml cup, sprinkle a layer of cocoa powder, then pour in milk foam or cream, and finally sprinkle another layer of cocoa powder. The small cup size and double layer of cocoa powder make the coffee's aroma even stronger.

There are also many Italian specialties made directly with espresso as the base. Pouring espresso over ice cream gives Affogato, which belongs to Italian coffee and can also be classified as a dessert. Squeezing whipped fresh milk on top of espresso gives Con Panna. Adding a small amount of strong liquor to a small cup of Espresso is called Caffè Corretto.

From left to right: Affogato, Con Panna, Caffè Corretto

Pour the coffee liquid into a shaker with ice cubes and a small amount of syrup and shake it, then strain out the ice cubes and pour it into a martini glass, and a cup of European-style iced shaken coffee, Caffe shakerato, is ready. While retaining the aroma of espresso, it brings a hint of sweetness and a dense layer of foam on top. Whether in taste or appearance, it reminds people of stout beer.

The above content is compiled by CoffeeHunters, a coffee news website.