Convert Megalitres to Acre-feet (ML to acre-ft)
1 megalitre (ML) = 0.8107131938 acre-feet (acre-ft). 1 acre-ft = 1.233481838 ML. Example: 15 ML = 15 × 0.8107131938 = 12.16069791 acre-ft.
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1 ML = 0.8107131938 acre-ft
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk megalitre to acre-foot converter to paste a column from Excel.
How to Convert Megalitre to Acre-foot
- 1 ML = 0.8107131938 acre-ft
- 1 acre-ft = 1.233481838 ML
- Example: convert 15 ML to acre-ft: 15 ML = 15 × 0.8107131938 acre-ft = 12.16069791 acre-ft
Formula
acre-ft = ML × 0.8107131937899
or acre-ft = ML ÷ 1.233481837548
Derivation from SI units:
- 1 ML = 10⁶ L = 1000 m³.
- 1 acre-foot = 43,560 ft³ = 1233.48183754752 m³.
- 1 ML = 0.001 MCM ÷ 0.001233481837548 MCM per acre-ft = 0.8107131937899 acre-ft
Both units are defined exactly, so the factor is exact. Megalitre definition: megalitre; Acre-foot definition: acre-foot.
Worked examples
- A reading of 50 ML converts to 40.53565969 acre-ft.
50 ML × 0.8107131938 = 40.53565969 acre-ft - A value of 1000 ML is 810.7131938 acre-ft.
1000 ML × 0.8107131938 = 810.7131938 acre-ft
Megalitre to Acre-foot conversion table
| Megalitres (ML) | Acre-feet (acre-ft) |
|---|---|
| 1 ML | 0.8107131938 acre-ft |
| 5 ML | 4.053565969 acre-ft |
| 10 ML | 8.107131938 acre-ft |
| 50 ML | 40.53565969 acre-ft |
| 100 ML | 81.07131938 acre-ft |
| 500 ML | 405.3565969 acre-ft |
| 1000 ML | 810.7131938 acre-ft |
| 5000 ML | 4053.565969 acre-ft |
| 10000 ML | 8107.131938 acre-ft |
| 100000 ML | 81071.31938 acre-ft |
Where it's used
Megalitres are used for australian water entitlements, while acre-feet appear in US reservoir capacity and water rights. Both measure volume of stored or released water (reservoirs, river flows, allocations), so the conversion is a fixed factor.
Megalitre to other water volume units
| Conversion | 1 ML equals |
|---|---|
| megalitre to acre-foot | 0.8107131938 acre-ft |
| megalitre to MCM | 0.001 MCM |
| megalitre to BCM | 0.000001 BCM |
| megalitre to TMC | 0.00003531466672 TMC |
| megalitre to cubic metre | 1000 m³ |
| megalitre to Mcft | 0.03531466672 Mcft |
| megalitre to MAF | 8.107131938 × 10⁻⁷ MAF |
| megalitre to hectare-metre | 0.1 ha·m |
Show 2 more units
| megalitre to cubic kilometre | 0.000001 km³ |
|---|---|
| megalitre to gigalitre | 0.001 GL |
Frequently asked questions
How many acre-feet are in 1 megalitre?
1 ML = 0.8107131938 acre-ft.
How do I convert megalitres to acre-feet?
Multiply the value in ML by 0.8107131938, or divide it by 1.233481838. For example, 15 ML × 0.8107131938 = 12.16069791 acre-ft.
Is the ML to acre-ft 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, "acre-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 Megalitres to Acre-feet (ML to acre-ft). Retrieved October 29, 2026, from https://scientificconverters.com/water-volume/megaliters-to-acre-feet/
IEEE
Scientific Converters, "Convert Megalitres to Acre-feet (ML to acre-ft)," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/water-volume/megaliters-to-acre-feet/