About Us
Learn about Lpm to Gpm, an independent flow-rate conversion resource for pumps, plumbing, HVAC, and industrial systems.
Lpm to Gpm provides fast, clear flow-rate calculators for engineers, technicians, contractors, students, and anyone comparing metric and US flow specifications.
Tools are built around practical pump, plumbing, HVAC, gas-flow, and industrial conversion workflows.
Each calculator shows its formula, unit basis, and important limits so results are easier to verify.
Calculator inputs update locally in your browser. The values you type are not stored by our calculator tools.
Why This Site Exists
Flow-rate units often appear differently across equipment datasheets, pump curves, meters, and regional standards. LPM, GPM, CFM, SCFM, kg/s, and pressure-drop estimates all describe related engineering decisions, but they are not always easy to compare quickly.
This site keeps those conversions simple: enter a value, check the assumption, copy the result, and use the formula shown on the page for your own documentation.
Who Uses These Tools
- Pump and plumbing technicians comparing LPM and GPM ratings.
- HVAC users converting ventilation flow between LPM and CFM.
- Industrial teams estimating mass flow, gas flow, and pressure drop.
- Students and researchers checking formulas before deeper analysis.
Important Note
These calculators are informational tools. For engineering-critical applications, always verify the result with manufacturer data, local codes, fluid properties, pipe geometry, and a qualified professional where required.