Flow Rate Converter

Convert between liters per minute and US gallons per minute using the exact gallon definition.

Works for any combination of the units above -- every value converts through the same verified base-unit math used on the individual pages.

How Flow Rate Units Relate

Flow rate units combine a volume unit with a time unit. This page uses the US gallon per minute (gpm), common on US pump, faucet, and irrigation specifications, against the metric liter per minute, using the same exact US gallon definition as the Volume converters.

All Flow Rate Converters

Each of these has its own page with the exact formula, a reference table, and answers to common questions.

Liter per Minute to US Gallon per Minute US Gallon per Minute to Liter per Minute

Cedrick Reese

Ready Utilities was founded by Cedrick Reese, a retired veteran and web developer who enjoys building free, user-friendly online tools that simplify everyday tasks. His journey began in the early 2000s with affiliate marketing and niche site development, which grew into a passion for creating practical digital utilities and calculators. After retiring, he earned a Computer Systems Technician certificate from UEI College, completed Electro-Mechanical Technologies at Tulsa Welding School, and finished the Carpentry program at Florida State College at Jacksonville. Today, he combines his technical background and craftsmanship by building furniture using traditional woodworking methods, gardening, and developing helpful online tools for users worldwide.