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Mettur Dam capacity: 93.4 Tmcft

Tmcft, (Tmc ft), (TMC), (tmc), is the abbreviation of one thousand million cubic feet (1,000,000,000 = 109 = 1 billion), commonly used in India in reference to volume of water in a reservoir[1] or river flow.[2][failed verification]


1 tmcft. is equivalent to:

  • 1,000,000,000 cubic feet (28,000,000 m3) (approx.)
  • 2.83168466×1010 litres
  • 2.83168466×107 cubic metres
  • 22,956.841139 acre feet
  • 6.228835459×109 imperial gallons

Alternatively, 35.32 tmcft = 1 cubic kilometer (km³ is the standard unit used by Central Water Commission of Government of India for reporting gross and effective storage capacities of dams in India in National Register of Large Dams- NRLD). The amount water that can be discharged through a conduit per second in a cubic feet is described as cusec.

In agriculture, a rough estimate by irrigation experts see 1 TMC water is needed for providing water to irrigate 10,000 acres.

See also[edit]

Kaveri River water dispute


  1. ^ Reservoir example: K. Lakshmi (24 September 2010), "Krishna water release soon", The Hindu, Chennai: Kasturi & Sons Ltd, retrieved 30 January 2011
  2. ^ Flow example: Mahendra Jain, Editor (April 2007), "Cauvery Water Disputes Tribunal Announces Final Verdict", Pratiyogita Darpan Magazine, Agra: Pratiyogita Darpan, retrieved 30 January 2011CS1 maint: extra text: authors list (link)