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In plant photosynthesis, about 18 ATP are delivered by the light reactions to power the Calvin cycle steps that assemble one glucose molecule.

Glycolysis produces a net gain of 2 ATP per glucose molecule, while 4 ATP are formed and 2 ATP are used during the pathway.

Each myosin/actin cross-bridge cycle uses one ATP molecule to detach and reset the myosin head for the next power stroke.

One turn of the Krebs cycle gives 1 direct ATP but about 10 ATP in total once its NADH and FADH2 feed oxidative phosphorylation.

During aerobic cellular respiration, complete oxidation of one glucose molecule usually yields about 30–32 ATP molecules in eukaryotic cells.

Your body produces and recycles around its own weight—about 50–75 kg—of ATP each day to power movement, thought, and basic cellular work.

One NADH molecule usually yields about 2.5 ATP through oxidative phosphorylation in oxygen-using cells.

Glycolysis nets 2 ATP per glucose molecule, producing 4 ATP and using 2 in the investment steps.

The electron transport chain in human cells usually produces about 26–28 ATP per glucose, leading to roughly 30–32 ATP for full aerobic respiration.

Anaerobic respiration from one glucose molecule usually produces a net yield of 2 ATP, below the output of aerobic respiration.