# How To Measure Toilet Flapper

If you have been experiencing issues with your toilet, such as water constantly running or not flushing properly, it may be time to replace your toilet flapper. But before you can do that, you need to know how to measure toilet flapper to ensure you get the right size for your toilet. Here’s a step-by-step guide to help you out.

## Step 1: Turn off Water Supply

Before you start measuring your toilet flapper, you need to turn off the water supply to your toilet. You can do this by turning the valve located behind the toilet clockwise.

### How to measure toilet flapper when it’s closed?

#### Question:

How do I measure the toilet flapper when it’s closed?
To measure your toilet flapper when it’s closed, you will need to remove the lid from your toilet tank and flush the toilet. As the water drains from the tank, you will see the flapper close over the flush valve. Once the flapper is closed, you can take your measurements.

## Step 2: Measure the Diameter

The first measurement you need to take is the diameter of the flush valve. To do this, measure the widest part of the valve opening from one side to the other.

### How to measure toilet flapper when it’s open?

#### Question:

How do I measure the toilet flapper when it’s open?
To measure your toilet flapper when it’s open, you will need to flush the toilet and observe the flapper as the water drains from the tank. Measure the diameter of the flapper at its widest point.

## Step 3: Measure the Chain Length

The next measurement you need to take is the length of the chain that connects the flapper to the flush handle. Measure the length of the chain from the center of the flapper to the point where it connects to the flush handle.

### How to measure the toilet flapper thickness?

#### Question:

How do I measure the thickness of the toilet flapper?
To measure the thickness of your toilet flapper, you can use a ruler or a caliper to measure the distance between the top and bottom edges of the flapper.

## Step 4: Determine the Type of Flapper

Once you have taken your measurements, you need to determine the type of flapper you need. There are several different types of flappers, including rubber, silicone, and foam. Each type of flapper has its own specific size and shape, so it’s important to choose the right one for your toilet.

### How to measure toilet flapper for a universal fit?

#### Question:

How do I measure the toilet flapper for a universal fit?
To measure your toilet flapper for a universal fit, you should take all the necessary measurements and then compare them to the specifications of the universal flapper you are considering.

## Step 5: Purchase and Install New Flapper

Once you have determined the type of flapper you need, you can purchase a new one and install it in your toilet. Make sure to follow the manufacturer’s instructions carefully to ensure proper installation.

### How to measure toilet flapper weight?

#### Question:

How do I measure the weight of the toilet flapper?
To measure the weight of your toilet flapper, you can use a scale to weigh it. This measurement may be necessary if you are installing a new flapper that requires a specific weight for proper operation.

## FAQs

#### Q: Can I use any flapper for my toilet?

A: No, it’s important to choose the right flapper for your toilet. Different toilets require different sizes and shapes of flappers.

#### Q: How often should I replace my toilet flapper?

A: It’s recommended to replace your toilet flapper every 3-5 years, or sooner if you notice any issues with your toilet.

#### Q: What if my toilet flapper is an unusual size?

A: If your toilet flapper is an unusual size, you may need to contact a professional plumber to help you find a replacement.

## Conclusion

Knowing how to measure toilet flapper is essential if you want to keep your toilet functioning properly. By following the steps outlined in this article, you should be able to measure your toilet flapper accurately and choose the right replacement for your toilet. Remember to follow the manufacturer’s instructions carefully when installing your new flapper to ensure proper operation.