Cooling output from a water-side meter calculator

A water-side meter needs simultaneous flow and matched supply/return temperatures.

Units

Q = \frac{500 \times F \times \Delta T}{12{,}000}

Calculator

Enter the values you know and leave one box empty. Calculate finds the empty one, the result or any input.

Given

Q = \frac{500 \times 560 \times 10}{12{,}000} \approx 233.3

Symbol	Meaning	Unit
$Q$	cooling output	ton
$F$	water flow	gpm
$\Delta T$	return minus supply temperature	°F

Symbol	Meaning	Unit
$Q$	cooling output	kW cooling
$F$	water flow	L/s
$\Delta T$	return minus supply temperature	K

Results are estimates for study and screening. Check the inputs, units and assumptions before you use them for design, billing or contract decisions.