{{Short description|Unit of volume abbreviation}} {{Use Indian English|date=November 2025}} {{Use dmy dates|date=November 2025}} [[File:Mettur dam.jpg|thumb|The Mettur Dam has a capacity of 93.4 tmcft]] The abbreviation '''tmcft''' (also written '''tmc ft''', '''TMC''', or '''tmc'''), representing a '''thousand million cubic feet''' (one billion = 1,000,000,000 = 10<sup>9</sup> cubic feet) is commonly used in India in reference to volume of water in a reservoir<ref name="Cauvery"> {{cite news |url=http://www.thehindu.com/news/cities/Chennai/Krishna-water-release-soon/article12079753.ece |title=Krishna water release soon|newspaper=The Hindu |author=K. Lakshmi |publisher=Kasturi & Sons Ltd |date=24 September 2010 |place=Chennai |access-date=30 January 2011 |archive-date=14 April 2024 |archive-url=https://web.archive.org/web/20240414013942/http://www.thehindu.com/news/cities/Chennai/Krishna-water-release-soon/article12079753.ece }}</ref> or river flow.<ref name="Pratiyogita"> {{citation |url=https://books.google.com/books?id=RegDAAAAMBAJ&pg=PT6 |title=Cauvery Water Disputes Tribunal Announces Final Verdict |work=Pratiyogita Darpan Magazine |editor=Mahendra Jain |publisher=Pratiyogita Darpan |date=Apr 2007 |place=Agra }}</ref>{{fv|date=December 2018}}
==Conversion== 1 tmcft is equivalent to (approximations):
* {{convert|1000000000|cuft|m3|-4|disp=out|abbr=off}} (m<sup>3</sup>) * 28.32 gigalitres * 22,957 acre-feet * 7.4805 billion US gallons * 6.2288 billion imperial gallons
Alternatively, 1 cubic kilometre (km<sup>3</sup>) = 35.32 tmcft is the standard unit used by the Central Water Commission of the Government of India for reporting gross and effective storage capacities of dams in India in National Register of Large Dams (NRLD).
In agriculture, a rough estimate by irrigation experts is that 1 tmc ft water is needed each year to irrigate {{cvt|10000|acres|order=flip}}.<ref>{{Cite web|url=https://www.outlookindia.com/business/bottled-krishna-news-265170|title=Bottled Krishna: Guntur farmers fume at AP's allotment of drinking water to Coke|last=Tata|first=Madhavi|date=2010-05-03|website=Outlook India Magazine|url-status=live|archive-url=https://web.archive.org/web/20191230230458/https://www.outlookindia.com/magazine/story/bottled-krishna/265170|archive-date=2019-12-30|access-date=2019-12-30}}</ref>
The amount of water that can be discharged through a conduit is often expressed in cubic feet per second (cusec).
==References== {{reflist}}
{{Imperial units}}
Category:Units of volume Category:Imperial units Category:Customary units in India
{{Unit-measurement-stub}}