Multiple choice general knowledge science & technology how many liters are in a cubic meter? 10 100 1000 10000 Reveal answer Fill a bubble to check yourself C Correct answer Explanation One cubic meter equals 1,000 liters. This is a fundamental metric conversion where 1 cubic meter (m³) = 1,000 liters (L). This relationship is derived from the definition: 1 liter = 1 cubic decimeter (dm³), and 1 m³ = 1,000 dm³.