What this tool answers
You need a first-pass utility or trash pump class for moving a known volume of standing water in a target time with a known vertical lift. The calculator converts volume÷time into required GPH, then names the smallest class on this ladder (2,000 / 4,000 / 5,000 GPH) that also clears your head — or returns NO_MATCH.
Why head matters
Published GPH is typically near low head. A pump rated 4,000 GPH with only ~31 ft max head cannot clear a 35 ft lift even if flow demand is lower. This screen therefore requires both GPH and head clearance.
Hose friction and solids
Long horizontal hose and fittings add friction head. Debris size limits clog risk. Confirm discharge size and solids rating on the live listing before buying.
When the answer is NO_MATCH
If no class on this ladder clears both required GPH and lift, the site returns NO_MATCH. Slow the drain target, lower the discharge, or use a higher-rated pump — do not force a 5,000 GPH consumer class past its published head.
Sources
Dimensional flow rate (gallons ÷ hours = GPH) as the non-commercial primary method. VEVOR US utility/trash pump pages for 2,000 / 4,000 / 5,000 GPH with published max head (HTTP 200, 2026-09-10).