Fluid Mechanics Calculator vs Silverson Conversion Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fluid Mechanics Calculator
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.
- 97 fluid mechanics and civil engineering calculators
- Supports SI and USCS (Imperial) units
- Automatic calculations with unit changes
- Wide range of parameters covered
- Civil engineering applications
Read full descriptionHide full description
Fluid Mechanics Calculator contains 97 calculators to compute different Fluid Mechanics and Civil Engineering parameters — now with a solve-for-any-variable engine: in every calculator, choose the value you want to find and enter the rest. Available in both USCS (Imperial Units) and SI (Metric Units). What's new in this version: • Filter calculators by category — pressure, open channel, pipe, groundwater, pump, and dimensionless numbers • Solve for any variable — pick the unknown in each calculator; no more fixed inputs and outputs • Share any calculation as an image Features: • 97 Fluid Mechanics and Civil Engineering calculators • Automatic, instant results on every value and unit change • USCS (Imperial) and SI (Metric) units throughout • Clear formulas and definitions for every calculator Calculator List: Absolute Pressure Brake Horsepower Bernoulli Theorem for Head Loss Bulk Modulus Buoyant Force Chezy Coefficient Chezy Velocity Compressibility External Hydrostatic Pressure Flow Rate Fluid Density with Pressure Fluid Pressure Hydraulic Radius Kinematic Viscosity Liquid Phase Diffusion Coefficient Pump Efficiency Manning Flow Velocity Mean Depth Minor Losses Net Positive Suction Head and Cavitation Specific Gas Constant Specific Gravity with Water Weight Specific Gravity with Water Weight Loss Specific Volume Thrust Block Water Horsepower Acoustic Flow Meter Bazin's Weir Flow Broad Crested Weir Curb Capture Flow Rate Curb Gutter Flow Rate French Drain Seepage Rate Gutter Capture Efficiency Gutter Carryover Gutter Interception Capacity Rectangular Weir Rectangular Weir Discharge - Francis Equation Orifice Flow Rate Parshall Flume Flow Rate Permeameter Porous Medium Flow Rate Unconfined Aquifer Well Flow Rate V notch Weir Venturi Meter for Flow Rate Hazen Williams - Fluid Flow Rate Hazen Williams - Mean Fluid Velocity Aluminum Pipe - Pressure Rating Buried Corrugated Metal Pipe Thrust - Cross Sectional Area Buried Corrugated Metal Pipe Thrust - Pipe Wall Buried Corrugated Metal Pipe Thrust - Pressure Ductile Iron Pipe - Pressure Ductile Iron Pipe - Wall Thickness Pipe Vacuum Pressure Load Pipe Water Buoyancy Factor Plastic Pipe - AWWA C900 Pressure Class Plastic Pipe - Inside Diameter Controlled Plastic Pipe - Outside Diameter Controlled Plastic Pipe - Outside Diameter Controlled Short Term Strength Plastic Pipe - Short Term Pressure Rating Slotted Pipe Gutter Interception Smooth Wall Steel Pipe - Pressure Rating Soil Load Per Linear Length of Pipe Restrained Anchored Pipe Stress Pipe Soil Weight Pressure Unrestrained Pipe Length Change Poiseuille's Law Stokes Law Cauchy Number Cavitation Number Eckert Number Euler Number Fourier Number Froude Number Knudsen Number Lewis Number Mach Number Prandtl Number Reynolds Number Schmidt Number Sherwood Number Nusselt Number Peclet Number Strouhal Number Threshold Odor Number Weber Number Darcy Weisbach - Head Loss Darcy's Law - Flow Rate Darcy's Law - Flux Darcy's Law - Hydraulic Gradient Darcy's Law - Porosity Darcy's Law - Saturated Soil Darcy's Law - Seepage Velocity Darcy's Law - Seepage Velocity and Porosity Darcy's Law - Void Ratio Water Hammer - Maximum Surge Pressure for a Fluid Water Hammer - Maximum Surge Pressure for Water Water Hammer - Maximum Surge Pressure Head Water Hammer - Pressure Increase
Silverson Conversion Tools
This app provides engineers and operations personnel with tools to calculate the volume of vertical tanks of various shapes and top/bottom styles. It also includes multiple conversion tools for common measurements and a browser for product information.
- Vertical tank volume calculation
- Multiple tank shapes and top/bottom styles
- Unit conversion tools
- Email/Share calculation results
- Integrated product browser
Read full descriptionHide full description
This versatile set of calculating tools from Silverson Machines is a handy reference app for engineers and operations personnel allowing you to calculate the volume of any vertical tank based on parameters you choose. Choose from the following: Vertical Tank Shapes: • Cylindrical • Rectangular Top and Bottom Styles: • Flat • Dished • Spherical • Conical Silverson’s app even allows you to Email/Share your volume calculation results and includes a browser for viewing Silverson product lines and website. In addition there are multiple conversion tools for the following measurements: • Length • Fine Measurement • Flow • Motor Power • Pressure • Temperature • Volume • Weight
Screenshots
Verdict
The clearest difference is price: Silverson Conversion Tools at Free against Fluid Mechanics Calculator's $2.99. Silverson Conversion Tools also leads on iOS requirement (8.0 vs 16.1). Fluid Mechanics Calculator's advantage is ratings volume (21 vs 3). On rating, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Silverson Conversion Tools is free to download; Fluid Mechanics Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Silverson Conversion Tools holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Fluid Mechanics Calculator has 21 ratings behind it against 3, so its average is the more settled of the two.
Fluid Mechanics Calculator ships an update every 7 months, Silverson Conversion Tools every 6 months. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.
| Parameter | Fluid Mechanics Calculator | Silverson Conversion Tools |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.5 (21 ratings) | 4.7 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 21 — better | 3 |
| Update frequency | Every 7 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.1 | 8.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | V PUGAZHENTHI | Silverson Machines Limited |
Customer experience
Fluid Mechanics Calculator
Silverson Conversion Tools
In-app purchases
Fluid Mechanics Calculator
No in-app purchases
Silverson Conversion Tools
No in-app purchases
Questions
Is Fluid Mechanics Calculator free?
Is Silverson Conversion Tools free?
Which has better reviews, Fluid Mechanics Calculator or Silverson Conversion Tools?
Do Fluid Mechanics Calculator or Silverson Conversion Tools have ads?
Which is updated more often, Fluid Mechanics Calculator or Silverson Conversion Tools?
Other comparisons















