Ollie [ol-lie] as a boys' name (also used less generally as girls' name Ollie) is of Latin origin, and Ollie means olive tree. Ollie is a version of Oliver (Latin). Associated with: tree.
The Takeaway. On average men need 3.7 liters of fluids per day, and women need 2.7 liters. All fluids count, including milk, juice, coffee, tea, and even water-rich foods. Thirst and urine color might be better guidelines for staying hydrated. Weather, activity level, illness, and age can all impact water needs.
Eight 8-ounce glasses of water a day. Another approach to water intake is the 8 x 8 rule drink eight 8-ounce glasses of water a day (about 1.9 liters).The rule could also be stated, drink eight 8-ounce glasses of fluid a day, as all fluids count toward the daily total.Though this approach isn't supported by scientific evidence, many people use this basic rule as a guideline for how much water and other fluids to drink.Dietary recommendations.he rule could also be stated, drink eight 8-ounce glasses of fluid a day, as all fluids count toward the daily total. Though this approach isn't supported by scientific evidence, many people use this basic rule as a guideline for how much water and other fluids to drink. Dietary recommendations.