Calculate flow rates instantly
Calculate flow rates using open channel methods. Select weir, flume, or channel type. Input dimensions and head or velocity. Get instant results. Sync with devices for field or office use.
Showing 1–20 of 1,000 ranked alternatives.
V PUGAZHENTHI
Calculate and civil engineering parameters
Provides tools to compute parameters like pressure, flow rate, and viscosity. Users can switch between USCS and SI units. Features include calculating buoyant force, hydraulic radius, and density. Supports civil engineering and dynamics calculations.
Daniel Peig
Solve treatment problems
Solve engineering problems with 103 calculators and 2670 calculations. Access chemical databases and standards. View self-explanatory diagrams. Input data for real-time results. Supports multiple languages including English and Portuguese.
Hebaallah Hossameldien
Convert units and exchange currencies
Convert values between units in 22 categories including acceleration, angle, area, and data storage. Support currency exchange for 160 currencies. Search units by category or globally. Bookmark frequently used conversions.
Steven Ramsay
Calculate air flow and duct sizes
Calculates air volume, pressure loss, velocity, and duct size for rectangular or round ducts. Supports both imperial and metric units. Users input values to determine required dimensions and system performance.
loay setrak
Calculate parameters
Calculate properties using 90 specialized tools. Determine dry bulk density, specific gravity, flow rates, pressure, and head loss. Apply Bernoulli equations and Darcy Weisbach formula. Compute density, compressibility, and mean velocity.
loay setrak
Calculate parameters
Calculate parameters using 90 tools. Input values to determine dry bulk density, specific gravity, flow rate, head loss, pressure, and velocity. Convert units and export results. Sync data across devices.
Wassim Murr
Size ducts by friction rate or velocity
Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.
Calculated Industries, Inc.
Try before you buy with free trial
Perform length calculations, determine fittings angles, and estimate material requirements. Access schedules, standards, and industry-specific data. Convert units and calculate pressure drops. Save and export calculation results.
Calculated Industries, Inc.
Calculate duct offsets and angles
Performs X, Y, R radius calculations and theta measurements. It includes -specific functions for ducting offsets and angle computations. Features dimensional math, geometry, and trigonometry tools for precise construction calculations.
Tan Chia Ling
Calculate airflow rate instantly
Calculate airflow displacement by inputting velocity or volume. Select duct type and dimensions with unit options. Instantly display results in preferred units including fl/min, m/s, and ft3/min.
Silverson Machines Limited
Calculate tank volume with precise parameters
Calculate tank volume for cylindrical or rectangular tanks with flat, dished, spherical, or conical top and bottom styles. Input parameters to determine volume. Share results via email. View product information in a browser.
Armchair Engineering
Calculate , diameter, or velocity
Calculate fluid rates, pipe diameter, or liquid velocity. Choose units for diameter, velocity, and . Set decimal precision for results. Solve equations for accurate measurements.
Scott DeSapio
Convert units across 16 categories
Convert units across 16 categories with instant accuracy. Switch between hundreds of units for length, weight, temperature, and more. Calculate conversions for cooking, engineering, travel, and study.
zhandos uakanov
Calculate flow rates and hydraulic horsepower
Calculate minimum flow rates, bit hydraulic horsepower, jet impact force, and nozzle velocity. Input bit size, pressure drop, fluid density, and flow rate. View detailed results and formulas. Save and export calculations.
V PUGAZHENTHI
Calculate and convert parameters
Calculate hydraulic parameters such as capillary rise, viscosity, and hydrostatic pressure. Convert between metric and imperial units. Determine velocity head, specific energy head, and total energy. Assess head loss using the Bernoulli equation.
Justin Bush
Calculate CFM, size compressors, analyze pressure drops
Calculate CFM requirements for air actuators with real-time results. Size compressors and air receiver tanks based on system needs. Analyze pressure drops and optimize pneumatic systems with engineering-grade calculations.
Hover Inc.
, takeoff, , estimate
Create precise measurements from phone scans or blueprint uploads. Perform takeoffs for roofing, siding, and interiors. Generate estimates and proposals. Track project progress visually. Connect project steps from initial contact to final contract.
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