As the aroma and strength of coffee varies from bean to bean, plus other factors such brew time and freshness it is difficult to determine an exact ration.
Bilang ng aroma at lakas ng kape ay nag-iiba mula sa buto ng bean, at iba pang mga kadahilanan tulad BREW oras at pagiging bago ito ay mahirap matukoy ang isang eksaktong ration.