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Response from developer
Now both SI and USCS Units are included...

This app provides 97 calculators for fluid mechanics and civil engineering parameters. It supports both Imperial (USCS) and Metric (SI) units, offering automatic and accurate calculations with unit changes.
10.0
June 22, 2026
• Solve for any variable in every fluid mechanics calculation • Filter calculators by category
Now both SI and USCS Units are included...
Fluid Mechanics Calculator is a utility app offering 97 calculators for fluid mechanics and civil engineering parameters. It supports both USCS (Imperial) and SI (Metric) units, providing automatic and accurate calculations as units and values are changed.
Fluid Mechanics Calculator includes a comprehensive list of 97 calculators covering various fluid mechanics and civil engineering parameters.
Yes, Fluid Mechanics Calculator is available in both USCS (Imperial Units) and SI (Metric Units), allowing for versatile calculations.
You can perform calculations for parameters such as pressure, flow rate, head loss, viscosity, pipe ratings, and various dimensionless numbers like Reynolds and Mach numbers.
Fluid Mechanics Calculator is a paid app priced at $2.99.
Fluid Mechanics Calculator is supported on iPhones and iPads.
The latest version, 9.1, was last updated on February 27, 2025, indicating active development and regular updates.
Fluid Mechanics Calculator has an age rating of 4+, making it suitable for a wide range of users.