6 Best Free Online Bladder Volume Calculator Websites

Here is a list of best free online bladder volume calculator websites. Bladder volume refers to the amount of fluid a urinary bladder can hold. A urinary bladder is a hollow organ that holds urine released from the kidneys. The capacity of a bladder can vary due to factors like hydration level, bladder illness, etc. On average, a healthy bladder can hold up to 500 milliliters of fluid. The bladder volume calculation is performed for urological assessments like urinary disorder, inconsistency management, etc. If you also want to calculate the bladder volume, then check out these online bladder volume calculator websites.

These websites help users calculate bladder volume in centimeter cube and milliliter units. Bladder volume calculation requires two main parameters: Bladder Dimensions (Length, Depth, and Height) and Bladder Shape (Ellipsoid, Cuboid, Triangular Prism, and Prolate Ellipsoid). Some of these websites offer alternate methods to calculate the bladder volume. Apart from bladder volume calculation, these calculators also explain bladder volume and the parameters involved in the calculation. These websites also show the formula that they use to calculate the bladder volume. To help new users, I have included the steps to calculate bladder volume in the description of each website.

These websites offer related tools like Adernal Washout Calculator, BUN Creatinine Ratio Calculator, Lung Ultrasound, Cardiac Ultrasound, and more. Go through the list to learn more about these websites.

My Favorite Online Bladder Volume Calculator Website:

Omnicalculator.com is my favorite website as it calculates bladder volume and offers the calculation steps. Plus, it shows the bladder volume calculation formula.

You can also check out lists of best free Adrenal Washout Calculator, Rate of Effusion Calculator, and Protein Creatinine Ratio Calculator websites.

Comparison Table:

Features/Website Names	Shows Calculation formula	Provides calcultion steps	Explains bladder volume
omnicalculator.com	✓	✓	✓
calculator.academy	✓	✓	✓
mdapp.co	✓	x	x
pocus101.com	✓	x	✓
radcalculators.org	✓	x	x
radiogyan.com	x	x	x

omnicalculator.com

omnicalculator.com is a free online bladder volume calculator website. Using this website, users can calculate the bladder size of a patient. It helps users estimate the amount of water a bladder can hold in the ML unit. To calculate the bladder volume, it needs bladder shape (Ellipsoid, Cuboid, Triangular Prism, and Prolate Ellipsoid) and bladder dimensions (width, height, and length). Apart from calculating the bladder volume, it also explains the steps to use this bladder volume calculator. It also shows the formula that it uses to calculate the bladder volume. Now, follow the below steps.

How to calculate bladder volume online using omnicalculator.com:

Visit this website and access the Bladder Volume Calculator.
After that, specify the bladder shape and dimensions.
Now, view the calculated bladder volume in cubic millimeters, cubic inches, liters, etc., units.
Finally, copy the resultant bladder volume.

Additional Features:

This website has multiple urology & nephrology calculators such as Adernal Washout, BUN Creatinine Ratio, Kidney Failure Risk, GFR Calculator, and more.

Final Thoughts:

It is a good online bladder volume calculator website that explains the concept of bladder volume and helps users calculate it.

Pros	Cons
Provides steps to calculate bladder volume
Shows bladder volume calculation formula
Explains bladder volume

Home Page

calculator.academy

calculator.academy is another free online bladder volume calculator website. This website helps users calculate the urinary bladder volume. To do that, it needs three primary parameters: Maximum Diameter in the Sagittal Plane, Maximum Diameter in Transverse, and Maximum Diameter in the Anterior-Posterior Plane. The calculated bladder volume is highlighted in the centimeter cube unit.

This website also shows the bladder volume formula and provides the steps to calculate bladder volume. To help new users, it also explains bladder volume in detail. Now, follow the below steps.

How to calculate bladder volume online using calculator.academy:

Go to this website and access the Bladder Volume Calculator.
After that, enter all three bladder dimension values.
Now, click the Calculate button to view the bladder volume in a centimeter cube unit.

Additional Features:

This website offers multiple calculators associated with Science and Engineering, Math, Finance, Health & Fitness fields.

Final Thoughts:

It is another good online bladder volume calculator website that not only calculates bladder volume but also explains it.

Pros	Cons
Explains bladder volume
Shows calculation formula
Provides steps of calculation

Home Page

mdapp.co

mdapp.co is another free online bladder volume calculator website. This website offers two different methods to calculate the bladder volume. The first method uses Bladder Dimensions (Length, Width, and Height) and Bladder Shape (Ellipsoid, Cuboid, Triangular Prism, Prolate Ellipsoid, etc.) to calculate the bladder volume. On the other hand, the second method uses Maximal longitudinal cross-section and Maximal transverse cross-section values to calculate the bladder volume. This website also helps users understand all the bladder volume calculation parameters. Now, follow the below steps.

How to calculate bladder volume online using mdapp.co:

Go to this website using the given link.
After that, choose one of the two available methods.
Next, enter the input values like bladder dimensions, shapes, etc.
Finally, click the Calculate button to view the bladder volume in both milliliters and centimeter cube units.

Additional Features:

This website offers multiple online tools such as Qp/Qs Ratio Calculator, Revised Cardiac Risk Index, SVR Calculator, LV Mass Index, Stroke Volume Index, and more.

Final Thoughts:

It is another good online bladder volume calculator website that offers two different methods to calculate the bladder volume.

Pros	Cons
Offers two methods to calculate the bladder volume
Explains bladder volume and its parameters
Shows bladder volume calculation formula

Home Page

pocus101.com

pocus101.com is another free online bladder volume calculator website. This website offers a bladder volume ultrasound calculator that helps users accurately calculate the volume of a bladder. This tool uses the Transverse View (Width), Transverse View (Depth), and Longitudinal View (Height) values in centimeters observed in the ultrasound to calculate the bladder volume. It also provides diagrams explaining the Transverse and Longitudinal views. After the calculation, it shows the bladder volume for various bladder shapes like Unknown Shape, Triangular Prism, Cylinder, Cuboid, etc. It also highlights the bladder volume calculation formula along with the correction coefficient of different bladder shapes. Now, follow the below steps.

How to calculate bladder volume online using pocus101.com:

Go to this website and access the Bladder Volume Ultrasound calculator.
After that, enter the observed dimensions of the bladder in an ultrasound.
Next, view the calculated bladder volume for all possible bladder shapes in a centimeter cube unit.
Finally, view and copy the results.

Additional Features:

This website also offers tutorials related to Lung Ultrasound, Cardiac Ultrasound, eFAST Exam, DVT Ultrasound, and more.

Final Thoughts:

It is another good online bladder volume calculator website that helps users calculate bladder volume using bladder dimensions observed during an ultrasound.

Pros	Cons
Performs bladder volume ultrasound calculation
Shows calculation formula
Calculates bladder volume for all bladder shapes

Home Page

radcalculators.org

radcalculators.org is another free online bladder volume calculator website. Using this website, users can calculate the bladder volume for various bladder shapes such as Prolate Ellipsoid, Ellipsoid, Triangular Prism, etc. It uses the Width, Depth, and Height of the bladder in centimeters to calculate the bladder volume. After the calculation, it shows bladder volume in centimeter cube unit.

This website shows the bladder volume calculation formula and sample ultrasound images highlighting the dimensions of a bladder. Now, follow the below steps.

How to calculate bladder volume online using radcalculators.org:

Visit this website and access the Bladder Volume Calculator.
After that, enter the known width, height, and depth of a bladder in the centimeter unit.
Next, vie the calculated bladder volume for various bladder shapes in a centimeter cube unit.

Additional Features:

This website has multiple online tools such as Adernal Washout Calculator, Kidney Volume Calculator, Spleen Volume Calculator, Prostate Volume Calculator, and more.

Final Thoughts:

It is another good online bladder volume calculator website that anyone can use to calculate bladder volume for different bladder shapes.

Pros	Cons
Shows calculation formula
Calculates bladder volume for various bladder shapes

Home Page

radiogyan.com

radiogyan.com is another free online bladder volume calculator website. This website offers a radiology volume calculator that uses length, breadth, and width values of a bladder to find its volume in cubic centimeter units. Apart from urinary bladder, it can be used to calculate the Testicular Volume, Renal Volume, Prostate Volume, and Thyroid Volume. It also shows the bladder volume calculation formula. However, it lacks information related to bladder volume calculation. Now, follow the below steps.

How to calculate bladder volume online using radiogyan.com:

Go to this website and access the Radiology Volume Calculator.
After that, enter the Bladder Length, Breadth, and Width volume.
Now, choose the Urinary Bladder Volume option.
Finally, view the calculated bladder volume in the cubic centimeter unit.

Additional Features:

This website has multiple online tools such as TIRADS, Radiology Volume, Adernal Washout, Modified CT Severity Index, etc.

Final Thoughts:

It is another good online bladder volume calculator website that helps users calculate the urinary bladder volume.

Pros	Cons
Can also calculate Testicular Volume, Renal Volume, and Prostate Volume	Lacks information related to urinary bladder volume

Home Page

Frequently Asked Questions

What is the normal bladder volume?

A healthy adult bladder typically holds about 300-400 ml (around 10-13 ounces), though some can comfortably hold up to 600 ml.

What is the volume of the urinary bladder?

A child's bladder capacity grows with age. A rough estimate is to multiply their age by 2 and add 30 ml. For example, a 5-year-old would have a capacity of around 130 ml. Adults typically have a bladder capacity of 300-400 ml, while some can hold up to 600 ml. Bladder capacity often decreases with age due to weakening muscles and loss of bladder elasticity.

How do you calculate bladder volume?

Ultrasound is the most accurate method for measuring bladder volume. A healthcare professional uses a special probe to emit sound waves and capture the bladder's image on a screen. They then measure the bladder's length, width, and depth and use a formula (usually the ellipsoid formula: length x width x height x 0.52) to calculate the volume.

How many ml should you pee at a time?

The amount you should pee at a time isn't a fixed number; it varies depending on several factors, including: Age, Hydration, Bladder Health, and Medication.

Can a bladder hold 1 liter?

While some bladders can technically hold up to 1 liter in extreme situations, it's not considered normal or healthy. A healthy adult bladder typically holds around 300-400 ml (about 10-13 ounces), though some can comfortably hold up to 600 ml.

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