Apps Like Ring Sizer – Ring Size Meter for iPhone and iPad
Measure rings with the white circle
Measure by matching the inner edge to the 's white circle. Adjust the slider to align the diameter or circumference. View results in metric or imperial units, including US, Canadian, and Australian sizing systems.
by AppLiks Sp. z O.O.★ 4.9455 ratingsUtilitiesFreeData updated 2026-09-06
Estimate diameter for hydronic systems by inputting or cooling output, water flow, and temperature values. Select material to get recommended DN . Calculate pressure drop and determine pump flow and head requirements.