10 Best Free Online Darcy’s Law Calculator Websites

Here is a list of best free online Darcy’s law calculator websites. Darcy’s law states that the rate of flow of fluid through a porous medium is proportional to the pressure drop and hydraulic conductivity. This law is mainly used to calculate the rate of flow of a fluid. There are many other areas where Darcy’s law is used like Viscosity calculation, Permeability calculation, Pressure drop calculation, etc. If you want to perform Darcy’s law calculations, then check out these online Darcy’s law calculator websites.

These websites are mainly used to calculate the rate of flow of fluid (Q). Although, some websites also let users calculate other involving parameters like Hydraulic Conductivity, Hydraulic Gradient, Flow Cross Sectional Area, etc. Most of these calculators also show the formula that they use to perform the calculation. Besides this, an explanation of Darcy’s law and calculations steps are also provided by some. To help new users, I have also included the necessary calculation steps in the description of each website.

These websites also offer related online tools like Darcy Hydraulic Gradient Calculator, Seepage Velocity Calculator, Darcy Flux Calculator, etc. Go through the list to know more about these websites.

My Favorite Online Darcy’s Law Calculator Website:

groundwatersoftware.com is my favorite website as it shows Darcy’s law calculation steps with examples. Plus, it can calculate both Darcy Flux and Average Linear Groundwater Velocity values.

You can also check out lists of best free Online Wire Resistance Calculator, Online TDEE Calculator, and Online Geometric Mean Calculator websites.

Comparison Table:

Features/Website Names	Shows Darcy's law calculation formula	Shows Calculation steps	Comes with examples
groundwatersoftware.com	x	✓	✓
ajdesigner.com	✓	x	x
omnicalculator.com	✓	✓	x
easycalculation.com	✓	x	x
calctown.com	x	x	x
calculatoratoz.com	✓	✓	x
endmemo.com	✓	x	x
azcalculator.com	✓	x	x
getcalc.com	x	✓	x
calculator.academy	x	✓	x

groundwatersoftware.com

groundwatersoftware.com is a free online Darcy’s Law calculator website. Through this website, users can calculate Darcy Flux and Average Linear Groundwater Velocity using Darcy’s law equations. To perform the calculation, users need to enter three known values namely Hydraulic Gradient, Hydraulic Conductivity, and Effective Porosity (in percentage), etc. This website also offers diagrams and examples highlighting the calculation process. Now, follow the below steps.

How to perform Darcy’s law calculation online using groundwatersoftware.com:

Start this website using the given link.
After that, enter all three input values.
Next, click on the Calculate button to view the Darcy Flux and Average Linear Groundwater Velocity values.

Additional Features:

This website also contains additional calculators such as Linear interpolation, Hydraulic Conductivity, Statistics, Water hardness, Temperature Conversion, etc.

Final Thoughts:

It is one of the best free online Darcy’s law calculator websites that helps users calculate Darcy Flux and Average Linear Groundwater Velocity values.

Pros	Cons
Provides an example highlighting the calculation process
Explains Darcy’s Law

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ajdesigner.com

ajdesigner.com is a free online Darcy’s Law calculator website. This website offers a Darcy’s Equations calculator that uses Darcy’s law to find out the flow rate of a fluid. To start the calculation, it requires three input values namely hydraulic conductivity, hydraulic gradient, and flow cross-section area values. Before starting the calculation, users can adjust the measurement units of hydraulic conductivity and flow cross-section area. After the calculation, it shows the output flow rate in all the supported measurement units.

This website also shows multiple flow rate, hydraulic gradient, darcy velocity, and seepage velocity equations. Now, follow the below steps.

How to perform Darcy’s law calculation online using ajdesigner.com:

Start this website and access Darcy’s Law Equations calculator.
After that, enter the hydraulic conductivity, hydraulic gradient, and flow section area values.
Next, click on the Calculate button to view the final flow rate value.

Additional Features:

On this website, users also get additional online calculators like Overtime Pay Rate, Pay Rise Increase, Ideal Gas Law, Pump Calculator, Colebrook Friction Factor, etc.

Final Thoughts:

It is a good online Darcy’s Law calculator website that helps users calculate the flow rate of a fluid using Darcy’s law equation.

Pros	Cons
Shows equations used for flow rate calculation
Provides output in multiple units

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omnicalculator.com

omnicalculator.com is another free online Darcy’s Law calculator website. This website offers a large number of online calculators one of which is Darcy’s Law calculator. Through this calculator, users can calculate the flow rate through a porous medium. It also explains Darcy’s law formula and provides the definition of permeability. To further help out users, it also provides steps to use this Darcy’s law calculator. Now, follow the below steps.

How to perform Darcy’s law calculation online using omnicalculator.com:

Start this website using the given link.
After that, enter Gradient namely such as Pressure in, Pressure out, Viscosity, and Distance.
Next, enter the Flow Rate values namely Area, Time, Volume, and Permeability.
Finally, view the calculated Flow Rate and Hydraulic Gradient values.

Additional Features:

This website also offers similar fluid mechanics calculators like API Gravity Calculator, Darcy Weisback Calculator, Flow Rate Calculator, Fan Calculator, Drag Equation Calculator, etc.

Final Thoughts:

It is another capable online Darcy’s Law calculator website through which users can calculate flow rate through a porous medium.

Pros	Cons
Shows calculation steps
Explains Darcy’s Law

Home Page

easycalculation.com

easycalculation.com is another free online Darcy’s law calculator website. Through this website, users can calculate Flow Rate, Hydraulic Conductivity, Hydraulic Gradient, and Flow Cross Sectional Area. All the calculations are performed using Darcy’s law. It also shows the formulas to calculate all the Flow Rate parameters. Now, follow the below steps.

How to perform Darcy’s law calculation online using easycalculation.com:

Start this website using the given link.
After that, select what Darcy’s law parameter you want to calculate.
Now, enter the required values like Hydraulic Conductivity, Hydraulic Gradient, Flow Cross Sectional Area, etc.
Finally, click on the Calculate button to start the calculation process.

Additional Features:

A good set of related calculators are also provided by it like Darcy Seepage velocity Calculator, Darcy Void Ratio Calculator, Darcy Porosity Calculator, Darcy Saturated Soil Calculator, etc.

Final Thoughts:

It is another capable online Darcy’s Law calculator website that can calculate multiple flow rate parameters using Darcy’s Law equations.

Pros	Cons
Shows the formula that it uses to perform the calculations
Offers additional Darcy’s calculators

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calctown.com

calctown.com is another free online Darcy’s Law calculator website. This calculator helps users calculate the instantaneous discharge rate of a fluid through a porous medium at a constant elevation. To perform this calculation, it requires multiple input values like Intrinsic Permeability, Cross-Sectional Area, Viscosity, Pressure at b, Pressure at a , and Path Length L. Although, this calculator doesn’t provide any information related to Darcy’s law calculation. Now, check out the below steps.

How to perform Darcy’s law calculator online using calctown.com:

Go to this website and select Darcy’s Law calculator.
After that, enter the required input values like intrinsic permeability, cross-section area, viscosity, etc.
Next, click on the Calculate button to start the calculation process.

Additional Features:

This website also contains additional Fluid mechanics calculators such as Euler Number, Specific Heat, Pump Power, Mass Flow Rate, Pascal’s Law, etc.

Final Thoughts:

It is a simple and effective website to calculate fluid discharge rates using Darcy’s law equation.

Pros	Cons
	Lacks information related to Darcy’s law equation

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calculatoratoz.com

calculatoratoz.com is another free online Darcy’s Law calculator website. It is another good website to calculate Darcy’s Law (flow rate) using the known Hydraulic Conductivity, Cross-Sectional Area, and Hydraulic Gradient values. Before starting the calculation process, users can choose to adjust the SI units of hydraulic conductivity and cross-sectional area. To help out users, it shows the formula that it uses to perform the calculation and explains the calculation steps. Now, follow the below steps.

How to calculate Darcy’s law parameter online using calculatoratoz.com:

Visit this website and go to the Darcy’s Law Calculator section.
After that, enter the Hydraulic Gradient, Hydraulic Conductivity, and Cross-Sectional Area values.
Next, click on the Calculate button to view the final fluid flow rate (Darcy’s Law) value.

Additional Features:

This website also contains tools and calculators associated with Engineering, Finance, Health, Math, Chemistry, Physics, etc., fields.

Final Thoughts:

It is another good online Darcy’s law calculator that not only calculates Darcy’s law value but also explains the steps of calculation.

Pros	Cons
Explains calculation process
Shows calculation formula

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endmemo.com

endmemo.com is another free online Darcy’s Law calculator website. This website comes with one of the simplest Darcy’s Law calculator tools. Like other similar websites, it can also be used to calculate the Flow rate using Darcy’s law equation. Apart from Flow rate, it can also be used to calculate Hydraulic Conductivity, Hydraulic Gradient, and Flow Cross Section Area values. Now, follow the below steps.

How to calculate Darcy’s Law online using endmemo.com:

Start this website using the given link.
After that, enter the Hydraulic Conductivity, Hydraulic gradient, and Flow Cross Section Area values.
Next, specify the measurement units of input values.
Finally, start the calculation by clicking on the Calculate button.

Additional Features:

This website also comes with additional tools like BMI Calculator, Triangle Calculators, G-Force RPM Calculator, Dilution Calculator, and more.

Final Thoughts:

It is another simple and effective online Darcy’s law calculator website that anyone can use with ease.

Pros	Cons
	Doesn’t offer any information related to Darcy’s law equation

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azcalculator.com

azcalculator.com is another free online Darcy’s law calculator website. This website helps users calculate the liquid discharge rate. To perform the calculation, it needs four input values namely Coefficient, Head, Length, and Cross-Sectional Area. It also shows the formula to perform the Darcy’s law calculation. Now, check out the below steps.

How to perform Darcy’s law calculation online using azcalculator.com:

Visit this website and access the Darcy’s Law Calculator.
After that, enter all the required input values.
Next, click on the Calculate button to view the final Discharge rate value.

Additional Features:

On this website, users also get additional online calculators such as Critical Gradient, Beam Stability Factor, Arch Dams Full Load, etc.

Final Thoughts:

It is a good online Darcy’s law calculator website that offers all the tools to calculate the discharge rate using the Darcy’s law calculator.

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getcalc.com

getcalc.com is yet another free online Darcy’s law calculator website. This calculator allows users to calculate the flow of fluid over a porous medium. To perform this calculation, it requires values of six different parameters namely Initial Pressure, Final Pressure, Area, Length, Viscosity, and Permeability. It also shows the formula to calculate Darcy’s law and offers a brief definition. Now, follow the below steps.

How to perform Darcy’s law calculation online using getcalc.com:

Go to this website using the given link.
After that, enter all six required values.
Next, press the Enter button to view the final value.

Additional Features:

This website also comes with additional tools like Basic Calculator, Scientific Calculator, Digital Numbers, Health and Fitness, etc.

Final Thoughts:

It is another good online Darcy’s law calculator website that anyone can use without much hassle.

Pros	Cons
Provides Darcy’s law definition and formulas

Home Page

calculator.academy

calculator.academy is the last free online Darcy’s Law calculator website. This website uses Permeability, Dynamic Viscosity, and Pressure Drop values to calculate the instantaneous flow rate. On its interface, users also get Darcy’s Law definition, its uses, and formulas. The process to use this calculator is also quite simple. Now, follow the below steps.

How to perform Darcy’s law calculation online using calculator.academy:

Launch this website and access Darcy’s law calculator.
After that, submit the required input values.
Finally, click on the Calculate button to view the final result that users can copy to the clipboard.

Additional Features:

This website also comes with useful online tools like Diffusion Rate Calculator, Groundwater Velocity Calculator, Steam Velocity Calculator, etc.

Final Thoughts:

It is another simple online Darcy’s Law calculator through which users can calculate the instantaneous flow rate of a fluid.

Pros	Cons
Shows instantaneous flow rate calculation formula

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Frequently Asked Questions

How is Darcy's law calculated?

To calculate the flow rate using Darcy's law, you first need to find out the hydraulic conductivity and hydraulic gradient for the given porous medium. After that, put those values in the Q = -KA(dh/dl) equation to perform Darcy's law calculation.

What is Darcy formula for?

Darcy's formula or Darcy's law is used to describe the flow of fluids through porous media, such as soil, sand, and rock.

What is the validity of Darcy's law?

Darcy's law is a fundamental principle in the field of fluid mechanics and is widely used to model fluid flow through porous media. However, its validity is limited to certain conditions and assumptions like e fluid is incompressible and has constant density, flow is steady-state and laminar, with no turbulence, the fluid and porous medium are in thermal equilibrium, etc.

Who discovered Darcy's law?

Darcy's law is discovered by Henry Darcy. He was a French engineer who first described Darcy's law in the mid-19th century. Darcy conducted experiments to investigate the flow of water through sand filters, which were commonly used to purify drinking water at the time.

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