# 12 Best Free Online Wheatstone Bridge Calculator Websites

Here is a list of the best free** online Wheatstone Bridge Calculator websites**. A Wheatstone Bridge is an electrical circuit used to measure an unknown electrical resistance. It is a rhombus-shaped network of four resistance arms connected to an external voltage source. It relies on the principle that when the bridge is balanced, the ratio of resistances in one leg is equal to the ratio in the other leg. You can add an unknown resistance along with 3 known resistances into the bridge and measure the input and voltage. Then you can simply use the Wheatstone Bridge formula to find the value of the unknown resistance.

An online Wheatstone Bridge calculator can help you quickly and accurately perform this calculation. In this post, I’m covering 12 websites that offer Wheatstone Bridge calculators online. Most of these calculators are capable of finding the unknown resistance and voltage. Whereas a few are specific to either unknown resistance or the voltage. I briefly covered each calculator along with the calculation steps. I also mentioned the highlights of each calculator that can help you quickly grasp the capability of that calculator. You can go through the post to check these out in detail.

### My Favorite Online Wheatstone Bridge Calculator

** GoodCalculators.com** is my favorite website on this list to calculate Wheatstone Bridge online. This calculator can find the Rx as well as Vb while letting you choose the measurement unit for your input values. The best part is that it gives you a Wheatstone Bridge diagram marked with all the values on it.

You can check out our other lists of the best free Parallel Resistance Calculator Online Websites, Online Voltage Drop Calculator Websites, and Online Internal Resistance Calculator Websites.

### Comparison Table:

Name | Calculate for | Change Units | Theory Info |
---|---|---|---|

GoodCalculators.com | Rx / Vb | ✓ | ✓ |

OmniCalculator.com | Rx / Vb | ✓ | ✓ |

MecSimCalc.com | Rx / VG | x | ✓ |

CalcTool.org | Rx / Vb | ✓ | ✓ |

AllAboutCircuits.com | Rx / Vout | ✓ | ✓ |

ElectronicsforU.com | Rx / Vout | ✓ | x |

Daycounter.com | Rx / Vb | x | ✓ |

911Electronic.com | Rx / Vout | x | ✓ |

Byjus.com | Vb | x | ✓ |

CalculatorEdge.com | Rx / Vb | ✓ | x |

ClearIITMedical.com | Vb | x | ✓ |

PeterVis.com | Rx | x | x |

## GoodCalculators.com

**GoodCalculators.com** offers a Wheatstone Bridge Calculator that helps find the missing values of a balanced bridge. It can calculate missing resistor values for balanced bridges and provides the voltage across the bridge if the resistor values and input voltage are provided. The calculator has two calculation methods:

- Resistance of R4 for balanced bridge
- Voltage across the bridge Vb

Depending on what you want to calculate, you can pick the respective method. Doing this loads the input parameters required for the calculation where you can change the unit for each parameter. You can simply add the input values there and perform the calculation. Along with the missing parameter, the results give you a Wheatstone diagram with all the values labeled. You can save the diagram as an image if needed.

### How to calculate Wheatstone Bridge online on GoodCalculators.com?

- Use the direct link given below to access this calculator online.
- Select whether you want to calculate the
**Resistance of R4 for balanced bridge**or**Voltage across the bridge Vb**. - Add your data as per the selected calculation into the calculator.
- Then click the
**Calculate**button to get the answer.

### Highlights:

- This tool can calculate the Resistance of R4 for balanced bridge and Voltage across the bridge Vb.
- It supports multiple measuring units for resistance and voltage.
- The result has a Wheatstone bridge diagram with all the given and calculated values.

## OmniCalculator.com

**OmniCalculator.com** is popular for offering thousands of online calculators that you can use for free. The website provides a Wheatstone Bridge Calculator that allows you to determine the unknown resistance in a Wheatstone bridge circuit. The calculator has two calculation options:

- Value of Rx for balanced bridge: This option takes the values of R1, R2, and R3 to determine the value of Rx.
- Voltage across bridge VC: This option takes Input voltage along with R1, R2, R3, and Rx to determine the bridge voltage (VC).

The calculator has a dynamic layout that changes as per the selected calculation. In both cases, you get the option to change the unit of resistance and voltage. The calculator supports multiple units and you can easily pick one as per your data. With that, you can add your data and easily perform the desired calculation.

### How to calculate Wheatstone Bridge online on OmniCalculator.com?

- Go to this Wheatstone bridge calculator on OmniCalculator.com.
- Select what you want to calculate from the top. This loads the required input fields.
- Enter the required values into the calculator and then you get the output right away.

### Highlights:

- You can use this calculator to calculate the Value of Rx for a balanced bridge or Voltage across the bridge VG.
- It supports multiple units for resistance and voltage that you can easily switch at your convenience.

## MecSimCalc.com

**MecSimCalc.com** has a Wheatstone Bridge Calculator that allows you to calculate Vout (Vg) or Rx for a Wheatstone Bridge. The calculator starts with a Wheatstone bridge diagram. Below that you get the option to choose what to calculate. You can either calculate VG (VD-VB) or the unknown resistance (Rx). When you make a selection, it changes the input parameters accordingly. However, the unit for each input is fixed here which you can not change. While adding your data, you have to make sure you add the values as per the mentioned unit. With that, you can perform your calculation and get the output. This calculator shows the formula used in the calculation followed by the resulting calculation.

### How to calculate Wheatstone Bridge online on MecSimCalc.com?

- Head over to this calculator on MecSimCalc using the link given below.
- Select what you want to calculate and enter the required values in the mentioned units.
- Click the
**Submit**button to get the result.

### Highlights:

- You can use this calculator to calculate VG (VD-VB) and unknown resistance (Rx).
- The measurement units are not interchangeable.
- It shows the formula used in the result.

## CalcTool.org

**CalcTool.org** is a website that seems quite similar to OmniCalculator.com. This website has a Wheatstone Bridge Calculator which is also identical to what you get on OmniCalculator. The calculator can help you calculate the value of Rx for a balanced bridge or the voltage across bridge VC. When you make the selection for the calculation, it loads the parameters involved in that calculation including what is to be calculated. Alongside each parameter, you get a dropdown option to choose/change the measurement unit of that parameter. With that, you can add the known values into the calculator and get the required output.

### How to calculate Wheatstone Bridge online on CalcTool.org?

- Use the direct link provided below to open this calculator in your browser.
- Choose what you want to calculate from the top.
- After that, add the input values into the calculator.
- When you add all the required values, it gives you the output right away.

### Highlights:

- This calculator can calculate the Value of Rx for a balanced bridge or Voltage across the bridge VG.
- It lets you easily change the unit for each parameter of the calculation.

## AllAboutCircuits.com

**AllAboutCircuits.com** has a free online Wheatstone bridge calculator. This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals. The calculator has a simple interface for input. It covers Vin, R1, R2, R3, Rx, and Vout. Depending on what you want to calculate, you have to add all the values except the Rx or Vout. The calculator lets you select the unit for each parameter. This means you can directly add your reading without any conversion. When you run the calculator, it performs the calculation and fills in the missing value into the respective parameter.

### How to calculate Wheatstone Bridge online on AllAboutCircuits.com?

- Open this calculator in your browser using the direct link added below.
- Based on what you are calculating input everything except for either Rx or Vout.
- Then click the
**Calculate**button to get the missing value.

### Highlights:

- This calculator can help you calculate either Rx or Vout.
- It lets you easily change the unit of each parameter accordingly.

## ElectronicsforU.com

**ElectronicsforU.com** is another website where you get a free online Wheatstone bridge calculator. This calculator helps you calculate the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals. It has a unique interface where the relevant parameters are connected together. Out of Rx and Vout, you can pick what you want to calculate, and the layout changes as per the selection. You can set the measurement units for each parameter and add your values to the calculator. Then you can run the calculator to get the resulting value at the bottom.

### How to calculate Wheatstone Bridge online on ElectronicsforU.com?

- Open this calculator directly by following the link added below.
- In the
**Input section**, select what you want to calculate from the right side. - Then add all the required values into the calculator.
- After that, click the
**Calculate**button to get the output.

### Highlights:

- This calculator can calculate the unknown resistance (Rx) and Vout.
- You can easily switch the measurement units of every parameter as per your data.

## Daycounter.com

**Daycounter.com** is a website that provides engineering resources and calculators for various applications. It has a Wheatstone Bridge Calculator that you can use to find Rx and VB. This calculator can calculate both these parameters in a single calculation. It has an input section where you have to provide the values of Vin, R1, R2, and R3. This section is followed by a result section. The result section has Rx and Vout sections with a separate button to compute each parameter. You can add your input and calculate any or both the parameters.

### How to calculate Wheatstone Bridge online on Daycounter.com?

- Follow the link given below to access this calculator directly.
- Add the inputs covering Vin, R1, R2, and R3 into the calculator.
- Then click the
**Compute**button for Rx and VB to get the respective outputs.

### Highlights:

- You can use this calculator to find Rx and VB in a single calculation.
- The measurement units are fixed in this calculator.

## 911Electronic.com

**911Electronic.com** is an electronics education website that provides resources and tools for learning about electronics. The website features a Wheatstone bridge calculator that you can use to calculate Rx and Vout. This is a simple calculator where all the parameters are laid out on the screen. Each parameter has a fixed measurement unit mentioned alongside that you can not change. You can simply add the Vin, R1, R2, and R3 values to the calculator. As soon as you add the four values, it immediately calculates the Rx and Vout and shows their values in the respective fields.

### How to calculate Wheatstone Bridge online on 911Electronic.com?

- Use the link provided below to open this calculator in your browser.
- Add the inputs covering Vin, R1, R2, and R3 into the calculator.
- This gets you the values of Rx and Vout.

### Highlights:

- This calculator can calculate the values of Rx and Vout in a single calculation.
- The measurement units are fixed which you can not change.

## Byjus.com

**Byjus.com** is an online education platform that provides educational resources from school to college. The website features thousands of online calculators related to education and learning. This also includes a Wheatstone Bridge Calculator. The Wheatstone Bridge Calculator on this website calculates the bridge voltage (Vb). It shows the formula for the calculation followed by the input fields for all the parameters. You simply have to add all the required values into the respective fields and run the calculator to get the value of bridge voltage.

### How to calculate Wheatstone Bridge online on Byjus.com?

- Go to this Wheatstone Bridge Calculator on Byjus using the link given below.
- Add the values of Vin, R1, R2, R3, and Rx into the calculator.
- Then click the
**Calculate Bridge Voltage**to get the Vb value.

### Highlights:

- This calculator only calculates the bridge voltage (Vb).
- It has marked the units for each input parameter that you can not change.

## CalculatorEdge.com

**CalculatorEdge.com** is an online resource that provides free engineering calculators for various fields, including electrical, mechanical, electronics, chemical, construction, optical, medical, physics, and more. It has a Wheatstone bridge calculator that you can use to calculate unknown resistance (Rx) and bridge voltage (Vb). The calculator has four input fields covering Vin, Ra, Rb, and Rc. It takes the voltage in V and resistance in ohms. Below that, it has a Results section that contains Rx and Vb. You get a dedicated button to calculate each of those values.

### How to calculate Wheatstone Bridge online on CalculatorEdge.com?

- Go to this calculator by clicking the homepage link added below.
- Add the inputs covering Vin, Ra, Rb, and Rc into the calculator.
- Then click the
**Calculate**button for Rx and Vb to get the respective value.

### Highlights:

- You can use this calculator to find the Rx and Vb of a balanced Wheatstone bridge.
- It has the fixed units of measurement; ohm for resistance and V for voltage.

## ClearIITMedical.com

**ClearIITMedical.com** is an online portal that provides coaching and study materials for students preparing for the NEET and IIT JEE exams. The website offers a free Wheatstone bridge calculator. You can use this calculator to find the bridge voltage (Vb) of a balanced Wheatstone bridge. For this calculation, the calculator asks for f Vin, Ra, Rb, Rc, and Rx. You have to provide these values in the mentioned units. With that, you can run the calculator to get the bridge voltage.

### How to calculate Wheatstone Bridge online on ClearIITMedical.com?

- Head over to this Wheatstone Bridge Calculator using the link given below.
- Add the values of Vin, Ra, Rb, Rc, and Rx into the calculator.
- Then click the
**Calculate Bridge Voltage**to get the Vb value.

### Highlights:

- This calculator calculates the bridge voltage (Vb).
- It has marked the units for each input parameter for the inputs.

## PeterVis.com

**PeterVis.com** is another free website to calculate the Wheatstone Bridge online. This website features a simple calculator that finds the unknown resistance in a balanced Wheatstone bridge. The calculator starts with a diagram of the Wheatstone Bridge explaining all the mentioned parameters. Then you get to the actual calculator that asks for R1, R2, and VR2. You have to provide these values in ohms. Then you can simply run the calculator to get the R4 which is basically Rx.

### How to calculate Wheatstone Bridge online on PeterVis.com?

- Open this calculator in your browser using the direct link given below.
- Enter the values of R1, R2, and VR2 into the calculator.
- Then click the
**Calculate**button to get the R4 value.

### Highlights:

- This calculator calculates the unknown resistance in a balanced Wheatstone bridge.
- It used ohms for all the resistance inputs and output.

## Frequently Asked Questions

A Wheatstone Bridge is an electrical circuit used to measure an unknown electrical resistance by balancing two legs of a bridge circuit. It relies on the principle that when the bridge is balanced, the ratio of resistances in one leg is equal to the ratio in the other leg, allowing for precise resistance measurements.

To calculate an unknown resistance (R_x) in a Wheatstone Bridge, use the formula: R_x = (R2 * R3) / R1, where R1, R2, and R3 are the known resistances in the bridge circuit. Ensure the bridge is balanced (no current flows through the galvanometer) for an accurate measurement.

To solve a Wheatstone Bridge problem: 1. Use the formula R_x = (R2 * R3) / R1 to calculate the unknown resistance R_x. 2. Ensure the bridge is balanced by adjusting a variable resistor (if available) until the galvanometer shows no current flow for an accurate result.

The value of a Wheatstone bridge lies in its precision and versatility for measuring unknown electrical resistances, making it a fundamental tool in electrical engineering and metrology. It provides a reliable means to determine resistance values by achieving a balanced state in the circuit.

The balance voltage of a Wheatstone bridge is the voltage across the galvanometer when the bridge circuit is in a balanced state, which means no current flows through the galvanometer. It indicates that the ratio of resistances in one leg of the bridge is equal to the ratio in the other leg.

Wheatstone's bridge is a simple DC bridge, which is mainly having four arms.

Wheatstone bridge is used to measure medium resistances in the range of 1Ω to a few megaohms.

The Wheatstone Bridge is named after its inventor, Samuel Hunter Christie, who developed the concept in the early 19th century. Sir Charles Wheatstone, a British scientist, popularized and refined the bridge circuit, leading to its widespread use in electrical measurements, and thus, it came to be known as the "Wheatstone Bridge."

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