QA

How To Measure Sink Drain Size

How to Measure a Sink Drain Opening for a Crumb Cup Measure the drain opening across its widest part. This gives you the diameter of the drain circle. Insert the end of the measuring tape into the drain, beside the edge. Note the measurements on a piece of paper and take them with you when you shop for a crumb cup.

How do you measure a sink drain?

Place a straight-edge across the top of the old sink. Insert a ruler into the sink, and position its bottom end beside the drain. Measure from the bottom of the sink to the straight-edge to get the depth of the sink.

What is the standard size for sink drain?

The most common size for sink drain holes is 1 1/4 inches, and you may also see 1 1/2- and 1 5/8-inch drain holes.

Are kitchen sink drains a standard size?

All kitchen sinks have the same diameter drain, which is 3 1/2 inches and larger than a bathroom drain which is 1 1/2 inches. The same size as a standard shower drain is what it is.

Do sink drains come in different sizes?

Measure the Sink Most drain openings are 1 1/4 inches, although 1 1/2 inches and 1 5/8 inches are also common sizes.

How do you measure the diameter of a sink stopper?

The sink strainer plug should fit into the plug hole if it is 78mm in diameter at the top flat surface. Attach your measuring tape to the bottom of the sink to measure your plug hole diameter.

Are all basin waste holes the same size?

First and foremost wastes are all the same size 1 1/4″ or 32mm. Sometimes people get confused and ask why is there 2 sizes of basin wastes? the simple answer is that they are 1¼” BSP (32mm) and bath/sink wastes are 1½” BSP (40mm).

Are all kitchen sink drains universal?

Whether you have a single or double basin sink, the standard drain hole diameter is 3-½”. Sink drains are available in a variety of finishes, so they can be matched with other kitchen fixtures such as faucets or cabinet pulls.

Are sink traps universal?

So many people have asked about trap/drain sizing for fixtures we decided to give you at least a loose guide for each type of plumbing fixture. Please note, although these sizes are pretty universal they are still subject to local plumbing codes.

How do you measure a drain plug?

Oil drain plug diameter is best measured in millimeters using digital calipers. Measure the width of the plug across the base of the plug, at the widest part of the threads.

How do you measure a sink strainer plug?

Answer: the sink strainer plug measures 78mm in diameter at the top flat surface, which should snuggly fit into the plug hole, therefore your plug hole diameter should measure 78mm to fit properly. Measure your plug hole diameter by holding your measuring tape flat across the bottom of the sink.

What diameter is basin waste pipe?

Plastic waste pipe is available in 4 basic sizes (external diameter) for different plumbing uses: 21.5mm – for overflows such as cold water tank, cisterns etc. 32mm – for hand basin waste pipe. 40mm – for sink and bath waste pipe.

Is sink waste 32mm or 40mm?

32mm is generally used for hand basins and low volume outlets and 40mm used for showers, baths and sinks.

Are all kitchen sink traps the same?

Traps are made from polypropylene (white or black), ABS (black), PVC (white) or brass (either chrome-plated or natural colored). Traps come in 1-1/4 inch (standard bathroom sink) or 1-1/2 inch (standard kitchen sink) inside diameter sizes. Be sure to check so you get the right size replacement at your local store.

Are all kitchen sink flanges the same size?

The flange is a ring that connects the disposal to the sink and is slightly sloped to allow water to run unimpeded into the drain; it’s like a mounting bracket for the disposal. Always check the compatibility of the flange with your disposer – many are universal, but some do not fit certain models or manufacturers.

How do I know what size P-trap to get?

If you have 2.5 inches from the bottom of the tailpiece to shelf and 0.5 inches from the drain to shelf you can use CP-trap. First you have to cut 2.5-2.0 inches from the end of the tailpiece. The height of the p-trap is 4.5 inches 5-2.5=2.5 inches or 4.5-2.5=2.0 inches.

What are the types of traps in plumbing?

The types of traps in plumbing as follows, Gully Trap. P Trap. S Trap. Q Trap. Floor Trap / Nahni Trap. Bottle Trap. Intercepting Trap. Running Trap.

Why are Bell traps prohibited?

The IPC prohibits bell traps becahse in the way they are designed, they tend to clog with debirs and their trap seal has a larger exposed surface area which accelerates evaporation.

What size sink plug do I need?

Standard size sink plugs are 1 3/4 inch for kitchen sinks and baths and 1 1/2 inch for bathroom sinks. Some old sinks can have some unusual sizes for example some old Belfast sinks can have a 2 inch plug.

What size is my tub drain?

Bathtub drains are 1 1/2 inches wide and fit all standard bathtubs ranging from 14 to 26 inches deep. They are this size because they must fit the opening of the P-trap — also 1 1/2 inches wide — which is a special pipe that has a sharp bend in it.

Are sink strainers standard size?

Kitchen sink basket strainers are the same size. The basket assembly can fit the sink drain opening every time. You don’t have to measure it, you don’t have to measure the size of your sink drain hole, this is the standard in the industry.

Are plug holes a standard size?

While a bathroom sink’s design and overall size may vary from one model to the next, the drain holes are fairly standard, 1.25 inches being a general standard.