Convert liter/day [L/d] to acre-foot/day [ac*ft/d] Online | Free flow Converter

Day [L/d]

Liter per day (L/d) is a unit of volumetric flow rate that measures the amount of liquid passing through a system over a 24-hour period. One liter equals 1,000 cubic centimeters, so L/d quantifies how many liters of fluid flow or are consumed each day. This unit is widely used in water supply, wastewater management, agriculture, and medical applications to track daily fluid usage or delivery. For example, municipal water authorities often express household or industrial water consumption in L/d to plan supply, treatment, and storage efficiently. In agriculture, irrigation systems are designed based on the daily water requirements of crops, often calculated in liters per day. In healthcare, fluid intake or output for patients, such as intravenous fluids, is also monitored in L/d to ensure proper hydration and medical treatment. Compared to L/h, this unit provides a long-term perspective, suitable for planning and monitoring fluid systems over a full day. Using liters per day allows engineers, planners, and healthcare professionals to manage, optimize, and conserve fluid resources effectively, ensuring sustainability, efficiency, and reliability in both residential, agricultural, and industrial contexts.

Day [ac·ft/d]

Acre-foot per day [ac·ft/d] is a unit of volumetric flow rate used in hydrology, irrigation, and water resource management. One acre-foot represents the volume of water required to cover one acre of land to a depth of one foot, approximately 1,233 cubic meters or 325,851 gallons. When expressed per day, ac·ft/d measures the amount of water delivered, consumed, or flowing through a system in a single 24-hour period. This unit is particularly useful for managing large-scale water distribution systems, such as reservoirs, canals, and municipal water supply networks, allowing engineers to monitor daily water availability and usage. For example, an irrigation canal delivering 50 ac·ft/d provides enough water to cover 50 acres to a depth of one foot in a day, helping farmers plan crop irrigation schedules. It is also used in environmental monitoring, flood management, and industrial water usage planning. Compared to ac·ft/y, acre-foot per day provides short-term resolution, enabling timely operational decisions and adjustments. Using ac·ft/d allows hydrologists, engineers, and water managers to track, regulate, and optimize water flow, ensuring efficient, sustainable, and reliable use of water resources for agriculture, municipal supply, and industry.