Apps like McCalc®

Here are some great alternatives to McCalc® by McElroy Manufacturing, Inc. :
Hydraulic System Calculator
Hydraulic System Calculator
★4.8
HydroWiz Pipe Flow Hydraulics
HydroWiz Pipe Flow Hydraulics
★4.6
HydroWiz Pipe Flow Hydraulics
HydroWiz Pipe Flow Hydraulics
★3.6
Piping Engineering Pro
Piping Engineering Pro
★3.8
Piping Calculators
Piping Calculators
★3.9
Piping Engineering
Piping Engineering
★4.0
Engineering Tools : Mechanical
Engineering Tools : Mechanical
★4.8
Hydraulic Pumps
Hydraulic Pumps
★4.7
Hydraulic Pumps - Lite
Hydraulic Pumps - Lite
★4.0
Orifice Gas Flow
Orifice Gas Flow
★4.6
TracPipe CounterStrike Sizing
TracPipe CounterStrike Sizing
★3.6
Plutocalc Water and Wastewater
Plutocalc Water and Wastewater
★4.8
Hydro Calculations
Hydro Calculations
★4.2
Hydraulic CALC pro
Hydraulic CALC pro
★4.8
Gas and Unit Converter
Gas and Unit Converter
★3.8
Dr DE Lite - Drilling Engineer
Dr DE Lite - Drilling Engineer
★4.3