For example, if you wanted to brew four cups of coffee (32 fluid ounces) in a French press, you would need 2.13 ounces of ground coffee (using the 1:15 ratio, 32 divided by 15 is 2.13).

Making coffee for one doesn’t have to mean settling for a subpar cup of joe. Here’s how to find the best single-serve coffee maker for you.

We tested the best single-serve coffee makers to find which ones brew robust cups without wasting time, coffee, or counter space. Here are our top picks.

Best single-serve coffee maker overall → Nespresso Vertuo Plus; ... Keurig K-Mini Plus Single Serve K-Cup Pod Coffee Maker. $109 $73 (33% off) Walmart. $110 $80 (27% off) Amazon. $110. Keurig.

About a year ago, staff in Arnold Mathijssen's lab started pondering how to extract the most coffee using the fewest beans as they hung out at their lab's coffee table. They've just published ...