Convert Gigalitres to Acre-feet (GL to acre-ft)
1 gigalitre (GL) = 810.7131938 acre-feet (acre-ft). 1 acre-ft = 0.001233481838 GL. Example: 15 GL = 15 × 810.7131938 = 12160.69791 acre-ft.
Also searched as gigalitres to acre-ft, gigalitres in acre-ft, gigalitres into acre-feet, GL to acre-ft, GL in acre-feet, GL into acre-foot, gigalitre to acre-foot, GL to acre-feet converter, gigaliters to acre-feet and how many acre-feet in a gigalitre.
1 GL = 810.7131938 acre-ft
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk gigalitre to acre-foot converter to paste a column from Excel.
How to Convert Gigalitre to Acre-foot
- 1 GL = 810.7131938 acre-ft
- 1 acre-ft = 0.001233481838 GL
- Example: convert 15 GL to acre-ft: 15 GL = 15 × 810.7131938 acre-ft = 12160.69791 acre-ft
Formula
acre-ft = GL × 810.7131937899
Derivation from SI units:
- 1 GL = 10⁹ L = 10⁶ m³ = 1 MCM.
- 1 acre-foot = 43,560 ft³ = 1233.48183754752 m³.
- 1 GL = 1 MCM ÷ 0.001233481837548 MCM per acre-ft = 810.7131937899 acre-ft
Both units are defined exactly, so the factor is exact. Gigalitre definition: gigalitre; Acre-foot definition: acre-foot.
Worked examples
- A reading of 5 GL converts to 4053.565969 acre-ft.
5 GL × 810.7131938 = 4053.565969 acre-ft - A value of 100 GL is 81071.31938 acre-ft.
100 GL × 810.7131938 = 81071.31938 acre-ft
Gigalitre to Acre-foot conversion table
| Gigalitres (GL) | Acre-feet (acre-ft) |
|---|---|
| 0.1 GL | 81.07131938 acre-ft |
| 0.5 GL | 405.3565969 acre-ft |
| 1 GL | 810.7131938 acre-ft |
| 5 GL | 4053.565969 acre-ft |
| 10 GL | 8107.131938 acre-ft |
| 50 GL | 40535.65969 acre-ft |
| 100 GL | 81071.31938 acre-ft |
| 500 GL | 405356.5969 acre-ft |
| 1000 GL | 810713.1938 acre-ft |
| 10000 GL | 8107131.938 acre-ft |
Where it's used
Gigalitres are used for australian dam storage, 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.
Gigalitre to other water volume units
| Conversion | 1 GL equals |
|---|---|
| gigalitre to acre-foot | 810.7131938 acre-ft |
| gigalitre to MCM | 1 MCM |
| gigalitre to BCM | 0.001 BCM |
| gigalitre to TMC | 0.03531466672 TMC |
| 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 acre-feet are in 1 gigalitre?
1 GL = 810.7131938 acre-ft.
How do I convert gigalitres to acre-feet?
Multiply the value in GL by 810.7131938. For example, 15 GL × 810.7131938 = 12160.69791 acre-ft.
Is the GL 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 Gigalitres to Acre-feet (GL to acre-ft). Retrieved October 29, 2026, from https://scientificconverters.com/water-volume/gigaliters-to-acre-feet/
IEEE
Scientific Converters, "Convert Gigalitres to Acre-feet (GL to acre-ft)," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/water-volume/gigaliters-to-acre-feet/