The survey of over 1,000 consumers by UCC Coffee UK & Ireland also found that 77% of diners say a good coffee makes the difference between a mediocre and an exceptional dining experience.
However, less than 50% expect to get a great cup of coffee when they eat out, three quarters prefer high street to restaurant coffee.
Almost half of diners (48%) choose to drink coffee with lunch, this slightly drops during dinner, where 40% choose to drink the beverage.
The five most important factors for consumers when choosing a coffee are taste, strength, freshness, brewing method and the roast.
Coffee quality is deemed highest at fine dining restaurants, followed closely by independent restaurants, then branded restaurants and hotels, with pubs deemed the lowest quality by consumers.
Phil Smith, head of category and insight at UCC Coffee UK & Ireland, said: “With coffee on the high street going from strength to strength, it’s time for eating out operators to take their coffee seriously.
“Our research shows that consumers are demanding quality whenever they are eating out and this could be the difference between a satisfactory experience and surpassing expectations.”