Convert dram to acre-foot
Please provide values below to convert dram [dr] to acre-foot [ac*ft], or Convert acre-foot to dram.
How to Convert Dram to Acre-Foot
1 dr = 2.9969561611057e-09 ac*ft
Example: convert 15 dr to ac*ft:
15 dr = 15 × 2.9969561611057e-09 ac*ft = 4.49543424165856e-08 ac*ft
Dram to Acre-Foot Conversion Table
| dram | acre-foot |
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Dram
A dram is a unit of volume traditionally used to measure liquids, equivalent to 1/8 of an fluid ounce or approximately 3.7 milliliters.
History/Origin
The dram originated in the apothecary system in medieval Europe and was historically used for measuring medicines and small quantities of liquids. Its use has declined with the adoption of metric units.
Current Use
Today, the dram is primarily used in the context of measuring spirits and liquors, especially in the United States, where it is often used to denote a small serving or shot of alcohol.
Acre-Foot
An acre-foot is a unit of volume commonly used in the United States to measure large quantities of water, representing the volume of one acre of surface area to a depth of one foot.
History/Origin
The acre-foot originated in the United States as a practical measurement for water rights and irrigation, combining the acre (area) and foot (depth) units to quantify water volume in land management and water resource planning.
Current Use
It is primarily used in water resource management, irrigation planning, and hydrology to quantify large volumes of water, especially in the context of reservoirs, water rights, and distribution systems.