Convert Cubic Metres per Day to Acre-feet per Day
1 cubic metre per day (m³/day) = 0.0008107131938 acre-feet per day (acre-ft/day). 1 acre-ft/day = 1233.481838 m³/day. Example: 15 m³/day = 15 × 0.0008107131938 = 0.01216069791 acre-ft/day.
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1 m³/day = 0.0008107131938 acre-ft/day
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk cubic metre per day to acre-foot per day converter to paste a column from Excel.
How to Convert Cubic Metre per Day to Acre-foot per Day
- 1 m³/day = 0.0008107131938 acre-ft/day
- 1 acre-ft/day = 1233.481838 m³/day
- Example: convert 15 m³/day to acre-ft/day: 15 m³/day = 15 × 0.0008107131938 acre-ft/day = 0.01216069791 acre-ft/day
Formula
acre-ft/day = m³/day × 0.0008107131937899
or acre-ft/day = m³/day ÷ 1233.481837548
Derivation from SI units:
- 1 m³/day = 1/86,400 m³/s; one kilolitre per day (KLD).
- 1 acre-ft/day = 1233.48 m³ ÷ 86,400 s; 1 cusec for one day ≈ 1.98 acre-feet.
- 1 m³/day = 0.00001157407407407 m³/s ÷ 0.0142764101568 m³/s per acre-ft/day = 0.0008107131937899 acre-ft/day
Both units are defined exactly, so the factor is exact. Cubic Metre per Day definition: cubic metre per day; Acre-foot per Day definition: acre-foot per day.
Worked examples
- A reading of 500 m³/day converts to 0.4053565969 acre-ft/day.
500 m³/day × 0.0008107131938 = 0.4053565969 acre-ft/day - A value of 10000 m³/day is 8.107131938 acre-ft/day.
10000 m³/day × 0.0008107131938 = 8.107131938 acre-ft/day
Cubic Metre per Day to Acre-foot per Day conversion table
| Cubic Metres per Day (m³/day) | Acre-feet per Day (acre-ft/day) |
|---|---|
| 10 m³/day | 0.008107131938 acre-ft/day |
| 50 m³/day | 0.04053565969 acre-ft/day |
| 100 m³/day | 0.08107131938 acre-ft/day |
| 500 m³/day | 0.4053565969 acre-ft/day |
| 1000 m³/day | 0.8107131938 acre-ft/day |
| 5000 m³/day | 4.053565969 acre-ft/day |
| 10000 m³/day | 8.107131938 acre-ft/day |
| 50000 m³/day | 40.53565969 acre-ft/day |
| 100000 m³/day | 81.07131938 acre-ft/day |
| 1000000 m³/day | 810.7131938 acre-ft/day |
Where it's used
Cubic Metres per Day are used for STP and ETP capacity (KLD), while acre-feet per day appear in US irrigation district deliveries. Both measure volumetric discharge of rivers, canals and water supply, so the conversion is a fixed factor.
Cubic Metre per Day to other water discharge units
| Conversion | 1 m³/day equals |
|---|---|
| cubic metre per day to acre-foot per day | 0.0008107131938 acre-ft/day |
| cubic metre per day to cumec | 0.00001157407407 m³/s |
| cubic metre per day to cusec | 0.0004087345685 ft³/s |
| cubic metre per day to MLD | 0.001 MLD |
| cubic metre per day to litre per second | 0.01157407407 L/s |
| cubic metre per day to MGD | 0.0002641720524 MGD |
| cubic metre per day to MGD (imp) | 0.0002199692483 MGD (imp) |
Frequently asked questions
How many acre-feet per day are in 1 cubic metre per day?
1 m³/day = 0.0008107131938 acre-ft/day.
How do I convert cubic metres per day to acre-feet per day?
Multiply the value in m³/day by 0.0008107131938, or divide it by 1233.481838. For example, 15 m³/day × 0.0008107131938 = 0.01216069791 acre-ft/day.
Is the m³/day to acre-ft/day 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 Cubic Metres per Day to Acre-feet per Day. Retrieved October 29, 2026, from https://scientificconverters.com/discharge/cubic-meters-per-day-to-acre-feet-per-day/
IEEE
Scientific Converters, "Convert Cubic Metres per Day to Acre-feet per Day," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/discharge/cubic-meters-per-day-to-acre-feet-per-day/