Convert Gigalitres to TMC (GL to TMC)
1 gigalitre (GL) = 0.03531466672 TMC. 1 TMC = 28.31684659 GL. Example: 15 GL = 15 × 0.03531466672 = 0.5297200008 TMC.
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1 GL = 0.03531466672 TMC
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk gigalitre to TMC converter to paste a column from Excel.
How to Convert Gigalitre to TMC
- 1 GL = 0.03531466672 TMC
- 1 TMC = 28.31684659 GL
- Example: convert 15 GL to TMC: 15 GL = 15 × 0.03531466672 TMC = 0.5297200008 TMC
Formula
TMC = GL × 0.03531466672149
or TMC = GL ÷ 28.316846592
Derivation from SI units:
- 1 GL = 10⁹ L = 10⁶ m³ = 1 MCM.
- 1 TMC = 10⁹ ft³ = 28.316846592 MCM.
- 1 GL = 1 MCM ÷ 28.316846592 MCM per TMC = 0.03531466672149 TMC
Both units are defined exactly, so the factor is exact. Gigalitre definition: gigalitre; TMC definition: TMC.
Worked examples
- A reading of 5 GL converts to 0.1765733336 TMC.
5 GL × 0.03531466672 = 0.1765733336 TMC - A value of 100 GL is 3.531466672 TMC.
100 GL × 0.03531466672 = 3.531466672 TMC
Gigalitre to TMC conversion table
| Gigalitres (GL) | TMC |
|---|---|
| 0.1 GL | 0.003531466672 TMC |
| 0.5 GL | 0.01765733336 TMC |
| 1 GL | 0.03531466672 TMC |
| 5 GL | 0.1765733336 TMC |
| 10 GL | 0.3531466672 TMC |
| 50 GL | 1.765733336 TMC |
| 100 GL | 3.531466672 TMC |
| 500 GL | 17.65733336 TMC |
| 1000 GL | 35.31466672 TMC |
| 10000 GL | 353.1466672 TMC |
Where it's used
Gigalitres are used for australian dam storage, while TMC appear in cauvery, Krishna and Godavari tribunal awards. Both measure volume of stored or released water (reservoirs, river flows, allocations), so the conversion is a fixed factor.
Gigalitre to other water volume units
| Conversion | 1 GL equals |
|---|---|
| gigalitre to TMC | 0.03531466672 TMC |
| gigalitre to MCM | 1 MCM |
| gigalitre to BCM | 0.001 BCM |
| gigalitre to acre-foot | 810.7131938 acre-ft |
| gigalitre to cubic metre | 1000000 m³ |
| gigalitre to Mcft | 35.31466672 Mcft |
| gigalitre to MAF | 0.0008107131938 MAF |
| gigalitre to hectare-metre | 100 ha·m |
Show 2 more units
| gigalitre to megalitre | 1000 ML |
|---|---|
| gigalitre to cubic kilometre | 0.001 km³ |
Frequently asked questions
How many TMC are in 1 gigalitre?
1 GL = 0.03531466672 TMC.
How do I convert gigalitres to TMC?
Multiply the value in GL by 0.03531466672, or divide it by 28.31684659. For example, 15 GL × 0.03531466672 = 0.5297200008 TMC.
Is the GL to TMC conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4 (derived units) and Table 8 (non-SI units accepted for use with the SI).
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "cubic foot".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Gigalitres to TMC (GL to TMC). Retrieved October 29, 2026, from https://scientificconverters.com/water-volume/gigaliters-to-tmc/
IEEE
Scientific Converters, "Convert Gigalitres to TMC (GL to TMC)," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/water-volume/gigaliters-to-tmc/