Ethanol Yield Calculator

Estimate ethanol production from corn, sugarcane, or cellulosic feedstocks with byproduct and energy balance outputs.

Feedstock Type

Feedstock (tons)

Conversion Efficiency (%)

Tab to move between fields

Ethanol Yield

8,820 gallons

≈ 22 hot tubs

Energy Balance Ratio

1.6:1

Byproduct Yield15.2 tons

How to Use This Calculator

Select feedstock type (corn, sugarcane, cellulosic material) and enter feedstock weight in tons.
Set conversion efficiency (%) based on your process technology.
Review Ethanol Yield (gallons), Byproduct Yield (tons), and Energy Balance Ratio.
An energy balance ratio above 1.0 means the process produces more energy than it consumes.

How the result changes with Feedstock (tons)

Feedstock Type: 1 = Corn, 2 = Sugarcane, 3 = Cellulosic (switchgrass, wood)
Feedstock (tons): Total feedstock weight in short tons
Conversion Efficiency (%): Actual yield as a percentage of theoretical maximum (accounts for process losses)

Identify Input Parameters
Feedstock Type = 1, Feedstock (tons) = 100, Conversion Efficiency (%) = 90 = 3 input(s) provided
Calculate Ethanol Yield
Ethanol Yield
8820 = 8820
Calculate Byproduct Yield
Byproduct Yield
15.2 = 15.2

Engine last updated July 26, 2026. Checked against 3 independently-derived tests — how we verify calculators.

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