Worked example
A 10 kg dog needs a 0.25 g/kg dextrose bolus from a 50% stock solution.
Total dose = 10 kg x 0.25 g/kg = 2.5 g
Stock volume = 2.5 / (50 / 100) = 5 mL
The arithmetic answer is 5 mL of 50% dextrose before any separate decision about dilution, route, or line selection.