Our MathQnA calculator instantly gives you There are 3785.4118 cm³ in 1 gal (US). Whether you’re addressing 1 gal (US) can be expressed as 3785.4118 cm³. you can adjust the values and units relevant to unit conversions to get precise results. This tool is designed for flexibility and ease of use, making it perfect for both academic inquiries and real-world calculations.