Convert Cubic Kilometres to TMC (km3 to TMC)
1 cubic kilometre (km³) = 35.31466672 TMC. 1 TMC = 0.02831684659 km³. Example: 15 km³ = 15 × 35.31466672 = 529.7200008 TMC.
Also searched as cubic kilometres to TMC, cubic kilometres in TMC, cubic kilometres into TMC, km3 to TMC, km3 in TMC, km3 into TMC, cubic kilometre to TMC, km3 to TMC converter, cubic kilometers to TMC and how many TMC in a cubic kilometre.
1 km³ = 35.31466672 TMC
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk cubic kilometre to TMC converter to paste a column from Excel.
How to Convert Cubic Kilometre to TMC
- 1 km³ = 35.31466672 TMC
- 1 TMC = 0.02831684659 km³
- Example: convert 15 km³ to TMC: 15 km³ = 15 × 35.31466672 TMC = 529.7200008 TMC
Formula
TMC = km³ × 35.31466672149
Derivation from SI units:
- 1 km³ = 10⁹ m³ = 1 BCM.
- 1 TMC = 10⁹ ft³ = 28.316846592 MCM.
- 1 km³ = 1000 MCM ÷ 28.316846592 MCM per TMC = 35.31466672149 TMC
Both units are defined exactly, so the factor is exact. Cubic Kilometre definition: cubic kilometre; TMC definition: TMC.
Worked examples
- A reading of 10 km³ converts to 353.1466672 TMC.
10 km³ × 35.31466672 = 353.1466672 TMC - A value of 500 km³ is 17657.33336 TMC.
500 km³ × 35.31466672 = 17657.33336 TMC
Cubic Kilometre to TMC conversion table
| Cubic Kilometres (km³) | TMC |
|---|---|
| 0.1 km³ | 3.531466672 TMC |
| 1 km³ | 35.31466672 TMC |
| 5 km³ | 176.5733336 TMC |
| 10 km³ | 353.1466672 TMC |
| 50 km³ | 1765.733336 TMC |
| 100 km³ | 3531.466672 TMC |
| 500 km³ | 17657.33336 TMC |
| 1000 km³ | 35314.66672 TMC |
| 4000 km³ | 141258.6669 TMC |
| 10000 km³ | 353146.6672 TMC |
Where it's used
Cubic Kilometres are used for global water budgets, 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.
Cubic Kilometre to other water volume units
| Conversion | 1 km³ equals |
|---|---|
| cubic kilometre to TMC | 35.31466672 TMC |
| cubic kilometre to MCM | 1000 MCM |
| cubic kilometre to BCM | 1 BCM |
| cubic kilometre to acre-foot | 810713.1938 acre-ft |
| cubic kilometre to cubic metre | 1000000000 m³ |
| cubic kilometre to Mcft | 35314.66672 Mcft |
| cubic kilometre to MAF | 0.8107131938 MAF |
| cubic kilometre to hectare-metre | 100000 ha·m |
Show 2 more units
| cubic kilometre to megalitre | 1000000 ML |
|---|---|
| cubic kilometre to gigalitre | 1000 GL |
Frequently asked questions
How many TMC are in 1 cubic kilometre?
1 km³ = 35.31466672 TMC.
How do I convert cubic kilometres to TMC?
Multiply the value in km³ by 35.31466672. For example, 15 km³ × 35.31466672 = 529.7200008 TMC.
Is the km³ 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 Cubic Kilometres to TMC (km3 to TMC). Retrieved October 29, 2026, from https://scientificconverters.com/water-volume/cubic-kilometers-to-tmc/
IEEE
Scientific Converters, "Convert Cubic Kilometres to TMC (km3 to TMC)," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/water-volume/cubic-kilometers-to-tmc/