Pvc pipe size mm to inch Jun 3, 2025 · Selecting the correct PVC pipe size is critical for any plumbing, irrigation, or industrial piping project in South Africa. Additionally, many countries outside of the United States use the metric system, so it’s important to be able to convert measurements between systems. This PVC pipe size chart is accurate for all PVC pipe manufacturers - as the nominal size is used across the industry. 315 ±0. 3 mm on sizes 75 through 125, plus 0. 500". 900 ±0. NPS is defined by the American standard ANSI/ASME and is based on inches. Sep 12, 2020 · All PVC pipe sizes listed above are standard nominal pipe size. 5 268 23. Understanding Metric vs Imperial Measurement for PVC Fittings Plastic pipe sizes in the UK are measured in two ways: • Metric, also referred to as millimetres (mm) and • Imperial, also referred to as inch (“). This is because pipe sizing goes by a nominal size standard which is somewhat non-intuitive. To streamline this process and make it easy to find the right pipe, PVC Pipe Supplies has compiled PVC and CPVC pipe specifications for size, wall thickness, inner diameter, outer diameter and average pipe weight for both schedule 40 and schedule 80 plumbing. or Sch. 5″. 006 ±0. 154 +0. 012 1½ 0. 4 mm on sizes 140 through 200, plus 0. 1 10. Below we've listed our pipe options along with their dimensional data, this includes the pipe outer diameter, pipe inner diameter and pipe wall thickness. SCH 80 PVC pipes can be found in chemical processing, industrial plating, deionized water lines, and wastewater treatment management systems Learn how to accurately convert between inch-based measurements and metric measurements for pipes, tubes, and valves step-by-step with our conversion chart. Apr 9, 2024 · Common PVC pipe outer diameter and inner diameter easily converted into inches and mm. Aug 6, 2025 · This catalog accurately reflects dimensional information to the best of our knowledge. It represents the approximate external diameter of a pipe. The chart is in compliance Aug 15, 2024 · Get comprehensive PVC pipe dimensions with this chart, featuring sizes, schedules, and measurements for metric and imperial applications. , 1/2″, 2. Decimal Inches: The pipe size in decimal inches. This guide will walk you through the key considerations and sizing principles to Circumference = distance around the outside of pipe Pipe sizes do not refer to any physical dimensions. 012 2½ 0. Same and Next Day Delivery. Apr 26, 2022 · A 2-inch schedule 40 PVC pipe for example has an internal diameter of 2. Sep 6, 2018 · Metric sizes of PVC pipe. The size of pipes, fittings, flanges and valves are often given in inches as NPS - Nominal Pipe Size, or in metric units as DN - 'Diametre Nominal'. Complete pipe chart for Schedule 80 pipe and PVC pipe sizes, including plastic pipe sizes, dimensions, and weight. 6 mm on sizes 280 and 315. ) For WEIGHT PER FOOT please see PVC & CPVC PIPE SPECS Weight Per foot and dimensions. This is the measurement, from top-to-bottom of the inside of the PVC pipe. Compare Schedule 40 & 80 pipes, wall thickness, and uses in our complete PVC pipe size guide. Solvent-cemented fittings are commercially available to connect pipes based on inches to those based on millimeters. Oct 25, 2024 · PVC pipe, or polyvinyl chloride pipe, is a pipe material widely used in construction, drainage, wire protection and other fields. So a 50mm plastic PVC pipe will be PVC pipe sizes are measured in two primary systems: the inch-based (Imperial) system and the metric system. 9 32. Nominal Sizes in "inches" 3/4 11/4 11/2 21/2 10 12 14 16 18 20 24 DIMENSIONAL CHART OF upvc PIPES AS PER ASTM D 1785 PIPES SUITABLE FOR SOLVENT CEMENT WELD AND CAM LOCK JOINT PRESSURE RATINGS CALCULATED ON THE BASIS OF ISO Mean Outside Diameter in mm Schedule 40 Schedule 80 Schedule 120 Working Wall Thickness Working in kg / cm2 43. Jun 1, 2021 · This document provides a table that converts common pipe diameters measured in inches to their equivalent diameters in millimeters. Choose from our selection of metric-to-inch pipe fitting adapters, including over 700 products in a wide range of styles and sizes. 145 +0. Sep 13, 2024 · Steps to Measure PVC Pipe Diameter Achieving precise measurements of PVC pipe diameters involves several essential steps: Selecting the Right Tool: Choosing a measuring tool that aligns with the PVC pipe size and ensures the desired level of accuracy across different measurement units like inches and millimeters. Learn how to choose the right PVC pipe for home, agriculture, and industrial use. Once the pipe OD is determined, trace PVC pipe sizes are given by the "ID" or Internal Diameter of Schedule 40 pipe. Purchase gray PVC pipes at FlexPVC. Both the TPI (threads Mar 19, 2021 · In need of new PVC pipes? Before getting started on a new project, find the right PVC pipe sizes and valve fittings to complete a job well done. ASTM Iron Pipe Size (IPS) threads use NPT (National Pipe Thread) threads which are also designated as inch size, conforming to ASTM F 1498. The pipe wall thickness abbreviated on the conversion board is SCH or SCHED. Fittings follow this same pattern, a 1" fitting has a 1. Each thread size has a defined number of threads per inch (TPI). Pipes are made of a wide variety of materials - like galvanized steel, black steel, copper, cast iron, concrete, and various plastics such as ABS, PVC, CPVC, polyethylene, polybutylene and more. 840" and the OD for 3" PVC pipe is 3. . The Metric label inserts into any metric FITTING (NOT PIPE) to accept standard PVC size pipe. To purchase short pieces of RIGID PVC pipe click here or Click here to buy short sections of FLEXIBLE pvc pipe. Metric (mm): The pipe size converted to millimeters. Nov 19, 2025 · Shows: Nominal Pipe Size, Outside Diameter, Inside Diameter, Wall Thickness, Pressure Rating for Standard Pipe, Clear Pipe & Flexible PVC pipe from 1/8" up to 24" in Sch 40, Sch 80 and Class 200 Classifications, CTS CPVC from 1/2" to 2" and Metric PVC Pipe in 32mm, 40mm, 50mm, and 63mm, along with a temperature de-rating chart. By converting the pipe size from inches to millimeters, you can ensure that the correct size pipe is used for the job. The wall thickness of PVC pipes increases as the size of the pipe increases. Metric PVC pipe sizes have an entry of their own (what Americans call PVC is called PVC-U in Europe, and CPVC is called PVC-C). If dimensions on your job are critical, please verify dimensional information with our factory. Dec 6, 2014 · Wall thickness of pipes available in different standard schedules (SCH. ) If you are looking for flow rates, see PVC Pipe Flow Chart. BSP threads are not compatible with NPT threads. , millimetres (mm) , the British equivalents dimensional conversion i. This article will introduce in detail the correspondence between the two units of PVC pipe sizes in mm and inches. The outside diameter of each pipe must be measured for size identification. Learn standard sizes, conversions, and selection tips for plumbing and construction. or troubleshoot PVC Fluids Flow Design and Engineering Metric Pipe Sizes Dn "Diametre Nominel" per ISO vs NPS "Nominal Pipe Size" Equivalent for DN 6 to DN 2200, NPS Schedule 5 to 30 Welded and Seamless PIpe Related: Schedule 40 Steel Pipe Sizes & Dimensions ANSI American National Standard Schedule 40 Welded and Seamless Steel Pipe. For example, a 3/4" NPT pipe thread has an outside diameter of 1. If you are unfamiliar with PVC, please refer to this sizing guide before ordering. Here you can calculate the wall thickness, weight per foot, rated pressure, outside diameter, and inside diameter of PVC pipe. For sizes from 1/8-inch through 12-inch, the NPS corresponds to the nominal inside diameter, but differs somewhat from its actual inside diameter. Instructions on how to convert the nominal pipe size to millimeters and inches Some common mistakes of Metric Conversion Tables Kelly Pipe is proud to offer a wide variety of convenient, valuable pipe-related services to our clients. Find the right Schedule 80 pipe and PVC pipe size for your project. Learn how to choose the right PVC pipe for plumbing, drainage, and industrial use in 2025. The table lists this information for pipe sizes ranging from 1/2 inch to 24 inches (imperial) and 12 mm to 600 THREADS Spears® metric thread fittings use BSP (British Standard Pipe) threads designated in inch-sizes, which also conform to ISO 7/1 metric threads. At Petron Thermoplast, we understand the importance of using precisely sized, high-quality pvc pipe fittings to ensure optimal flow rates, pressure handling, durability, and cost-efficiency. For correct pipe and fittings connections, always use pipe and fittings with the same nominal pipe size. Table 1: Sch 40 PVC Pipe Dimensions SCH 80 PVC Pipe Sizes SCH 80 PVC pipes are generally dark gray in color even though may vary. pipe designations are closer to names than sizes. Too o Aug 27, 2025 · Explore pipe size charts with NPS, DN, and schedule details for steel, PVC, and copper pipes. Easily adapt metric PVC commonly found on Reef Octopus products to US standard PVC. For example, a 1 inch PVC Pipe is actually 1. Diameter Nominal (DN): The international metric designation, which May 3, 2016 · Wall Thickness As PVC pipe increases in diameter, the walls must also be thicker. This document provides specifications for PVC pipe in both imperial and metric units, including nominal pipe sizes, outside diameters, minimum wall thicknesses, average inside diameters, maximum working pressures, and weights per foot or meter of various schedule 40 and 80 PVC pipe. ) for NPS (Nominal Pipe Size in “inch”) as well as DN (Diameter Nominal in “mm”) are shown in below chart. This document provides specifications for various conduit sizes measured in both metric (IMC, PVC) and imperial (inches) units. Easy NPS to mm conversion, wall thickness & dimensions table. Oct 27, 2025 · Explore the complete PVC pipe size chart in mm and inches with conversions, dimensions, and pressure classes. 913 inches. 315 inches in outside diameter, and 1. Practical pipe diameter comparison information just for you! PVC Size Guide Print pipe sizes this size for your guide PVC to determine project. It is important to note that all metric pipe outer dimensions match the physical pipe size. 5 34. The dimensions are listed in inches unless otherwise noted. 9 15. 9 14. Similarly, a pipe labeled as 1" has an ID of about 1 inch. ) for wall thickness. 6 11. 8 19. It includes the thickness, width, cross-sectional area, weight per linear foot, and carrying capacity for each size ranging from 1/2 inch to 10 inches. 375 ±0. 140 +0. 133 +0. e. Sizes listed below are in NPS (Nominal Pipe Size) sizing standard. 1 9 Our metric PVC pipes meets DIN standards (German Institute for Standardization) and are available in 25-63mm lengths. The 3/4" NPT pipe thread has 14 threads per inch. NPS values are often expressed as fractions or decimals (e. PVC-U pipe unplasticized polyvinyl chloride Sold in 6 meter lengths. May 8, 2019 · This entry deals with the inch-based sizes of PVC pipe in use in the United States. Explore our PVC & CPVC pipe size chart with OD, ID, and wall thickness for Schedule 40 & 80. Hereunder we're making available to our visitors some of the most common calculations and conversion tables used in the industries which we work with. Plus 0. Typical weight and dimensions of industrial PVC and CPVC pipes equal to steel pipes schedule 40 and 80 are indicated in the table below. American Conduit Sizes Metric Conversion Chart Apr 14, 2020 · Wall thickness Pipe wall thickness (Schedule), the unit of measurement is mm is an index often attached with DN to convert pipe size most accurately. 5″). The wall thickness unit shown in the table without bracket is in metric system i. Many of these services are value-added based on the nature of your order. What does this mean? This means that for a standard, Schedule 40 PVC pipe, the PVC industry uses the measurement of the 'hole' inside the PVC pipe as its size. These pipes are thicker and stronger than SCH 40 PVC pipes and can handle higher pressures ranging from 210 to 1230 PSI. This allows someone to easily look up the metric equivalent for a pipe if they know the size in inches or vice versa. NPS is often incorrectly called National Pipe Size, due to confusion with national pipe thread (NPT). g. It does not describe PVC tube or tubing. That means what the industry calls a 1” size PVC pipe, or a 1” PVC fitting will not actually measure 1” (and so on for the other sizes). For example, a 1-1/2″ pipe size actually has an outside diameter of 1. 029 inches in inside diameter. If you prefer to measure the outside diameter (OD) of your pipe to determine the PVC pipe size, use the table below: Take your OD measurement and look in the Decimal OD, Fraction OD or Metric OD (depending on your measurement method) columns of the table below. If the walls were too thin, the pipe would lack structural integrity. 020 2. Haunching and backfill materials are of 12mm (1⁄2”) particle size of smaller and surround the pipe completely. 047 while the same size of a schedule 80 pipe has a diameter of 1. 005 ±0. The table below cross-references the nominal dimension of a PIPE with its actual outside diameter. Nominal Pipe Size (NPS) In the American industrial market, the sizing system known as Nominal Pipe Size (NPS) is widely used. 0 18. For example, if a pipe has markings that show it as 3/4", the inside diameter (ID) is roughly 3/4 inches. (The size is the same, only the pressure rating changes for FlexPVC. Convert plastic pipe joint sizes from Inch to Metric or vice versa with our handy Plastic Pipe Sizes chart from epco UK. Apr 24, 2025 · Find all PVC pipe sizes with dimensions in inches & mm. 5 mm on sizes 225 and 250, and plus 0. The table lists 40 pipe sizes ranging from 1/8 inch to 88 inches in diameter and their corresponding sizes in millimeters. PVC pipe sizes are named using the Nominal Pipe Size (NPS) system, which helps us understand how big the pipe is inside. Understanding the distinction between the size of the pipe (like 3/4" or 1") and the outside diameter (OD) is Aug 8, 2024 · Nominal Pipe Size (NPS): The standard designation for pipe sizes in the imperial system, typically related to the approximate inside diameter of the pipe. NPS is primarily used in the United States, where it Schedule 40 PVC pipe is compatible with all FORMUFIT external-fit and internal-fit products. 9″ NOT 1. PVC Plastic Pipes Dimensions Chart - Imperial Sizes epco offers a variety of metric and imperial pvc pipe sizes. 010 1¼ 0. PVC Pipe sizes are different than the size the pipe is called. PVC Size Guide PLEASE NOTE: PVC Pipe and Fittings use a nominal sizing system. Preparing the Pipe Surface: Ensuring cleanliness of the pipe surface is crucial नए प्लंबर pipe के size को inch और mm में कैसे जाने | इस वीडियो में बताया गया है कि पाइप Choose from our selection of PVC metric pipe, including metal pipe and pipe fittings, plastic pipe and pipe fittings, and more. PVC pipe sizes in mm and inches The Sep 4, 2025 · PVC Pipe Size Chart: Complete Guide to dimensions, types, and applications. Depending on different standards, SCH has different thickness. 315 inches in diameter. Pipe sizes sorted by Outside Diameter (OD), Inside Diameter (ID), wall thickness and classification. The European (ISO) designation equivalent to NPS is DN (diamètre nominal/nominal diameter/Durchmesser nach Norm), in which sizes are measured Metric Pipe Sizes Dn "Diametre Nominel" per ISO vs NPS "Nominal Pipe Size" Equivalent for DN 5S to DN 2200, NPS Schedule 40S to 30 Schedule 40 Steel Pipe Sizes & Dimensions ANSI American National Standard Schedule 40 Welded and Seamless Steel Pipe. 0 12. Use this chart to select pipe plugs based on pipe dimensions. PVC pipes schedule 40 chart wall thickness and outside diameter Find the complete PVC Pipe Sizes chart with dimensions & thickness guide. 660 ±0. Nov 5, 2021 · The 1-inch, 3-inch, 6-inch, etc. The outside diameter of the pipe always remains constant, irrespective of the measurement system, it is the bore (the centre of the pipe) which changes depending on the wall NPS (Nominal Pipe Size) Guide: Dimensions, Charts & Specifications The size of pipes, fittings, flanges and valves are often given in inches as NPS - Nominal Pipe Size, or in metric units as DN - 'Diametre Nominal'. The Nominal size is in fact the minimum outside diameter. 012 2 0. To find PVC pipe OD sizes, you cannot simply add a certain amount to the size on the label. 8 22. Fractional Inches: The pipe size represented as a fraction of an inch. 050 inches. 020 1. Standard dimensions and weight of PVC - Polyvinyl Chloride - and CPVC - Chlorinated Polyvinyl Chloride. Learn diameters, wall thickness, and usage in one guide. Jan 20, 2014 · Use this chart to find out what size PVC pipe you have - even if it isn't marked! Match the pipe's measurements up with these to determine what size sch 40 or 80 pipe you have. 2 mm tolerance is allowed on sizes from 16 through 63, plus 0. 203 +0. We hope you find them of use. Characteristics are given for both circular and non-circular conduit shapes depending on the specified width and 1 0. 315 inch opening to accept a 1 inch pipe, which actually measures 1. , inch is shown in bracket. Type “III” is recommended as materials, also type 1, provided particles are 12mm and smaller. PVC and CPVC Pipe Charts *) Inside Diameter = Outside Diameter - 2 x Minimum Wall Thickness PVC - Polyvinyl Chloride CPVC - Chlorinated Polyvinyl Chloride Standard Pipe Sizes in mm with full schedule chart. Pipe size is specified by two designations: a nominal pipe size (NPS) for diameter based on inches, and a schedule (Sched. IMPORTANT: A metric slip coupling is REQUIRED when attaching the metric side of the adapter to the metric pipe. The OD for 1/2" PVC pipe is 0. Due to its excellent performance and wide application fields, the size of PVC pipe is also particularly important.