Kopi-O
Also kopi o, kopi o kosong
Black kopitiam coffee with sugar, the default black coffee of Malaysia and Singapore.
RegionalServed hotFrom Malaysia
- Volume
- 165ml5.6 US fl oz
- Espresso
- 0shots
- Caffeine
- 60mgderived, USDA FDC
- Glass
- Mug200 ml
The build
Watch it made, step by step- Sock-brewed kopi150 ml91%
- Syrup15 ml9%
- Volume
- 165ml
- Caffeine
- 60mg
- Espresso
- 0shots
Scales every component together, so the ratio holds; caffeine scales with the coffee.
Black kopi with sugar; 'kosong' removes the sugar.
Caffeine
Derivedin a 165 ml kopi-o
USDA FoodData Central SR Legacy caffeine per 100 g scaled to the coffee volume in components, assuming 1 g per ml. FDC 171890 (Beverages, coffee, brewed, prepared with tap water) 40.0 mg/100 g x 150 ml.
USDA FoodData Central record 171890 · read 2026-10-26
A derived figure: the reference food's caffeine per 100 g scaled to the coffee in this build. Real cups vary with the coffee, the dose and the shot.
Variants by country
1| Name | Country | How it differs |
|---|---|---|
| kopi-o peng | Singapore | Iced black kopi. |
History
Wikidata places kopi-o in Malaysia and classes it as a coffee drink.
Malaysia and Singapore; 'O' from Hokkien for black.
Related drinks
Hong Kong's coffee-and-milk-tea blend, roughly three parts coffee to seven parts tea, named after the inseparable mandarin duck pair.
Regional Cà Phê Muối (Salt Coffee) 190 ml · 48 mgHuế's salt coffee: strong phin coffee topped with a salted sweet cream. The salt rounds off bitterness and became a nationwide trend.
Regional Kopi Gu You 190 ml · 60 mgKopitiam coffee with a slice of butter melting into it, Southeast Asia's original butter coffee.
Regional Kopi-C 195 ml · 60 mgKopitiam coffee with evaporated milk and sugar, the lighter alternative to condensed-milk kopi.
Regional Kaffeost 200 ml · 60 mgLapland's coffee with cheese: cubes of bread cheese dropped into hot boiled coffee and eaten as they soften.
Regional Kopi Joss 200 ml · 80 mgYogyakarta's charcoal coffee: a glowing coal dropped into sweet black coffee for a hiss and a smoky, less acidic cup.