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ASTM D1785 / ASTM D2665 Schedule 40 True ID: 2.067" (52.5 mm) 280 PSI @ 73°F

2" Schedule 40 PVC Pipe Volume & Capacity Calculator

Standard 2" nominal Schedule 40 PVC pipe has an exact inside diameter of 2.067 inches, holding 0.1743 US gallons (2.164 liters per meter) per linear foot. Part of our PVC Pipe Volume Hub and universal Pipe Volume Calculator suite.

Presets:
Calculated Result

Total Liquid Capacity

Internal Holding Volume
3.486 US gallons
≈ 13.197 litres

Unit Conversions

US Gallons 3.486 gal
Litres 13.197 L
Cubic Feet (ft³) 0.4661 ft³
Cubic Inches (in³) 805.35 in³
Imperial Gallons 2.903 UK gal
Cubic Meters (m³) 0.0132 m³
Filled Water Weight 29.1 lbs (13.2 kg)
Linear Capacity Rate 0.1743 gal/ft

Calculations are based on cylindrical formula \(V = \pi r^2 L\). Verify dimensions against manufacturer specs for code submittals.

Pre-Calculated Capacity Table

2" Schedule 40 PVC Quick Reference Sizing Chart

Instant capacity and weight lookup table for common pipe lengths filled with water at 60°F (15.5°C).

Pipe Length (Ft) US Gallons Liters Cubic Feet (ft³) Water Weight (lbs) Dry Pipe (lbs) Total Wet Weight
1 ft 0.174 gal 0.66 L 0.023 ft³ 1.5 lbs 0.7 lbs 2.1 lbs
2 ft 0.349 gal 1.32 L 0.047 ft³ 2.9 lbs 1.4 lbs 4.3 lbs
5 ft 0.872 gal 3.30 L 0.117 ft³ 7.3 lbs 3.4 lbs 10.7 lbs
10 ft 1.743 gal 6.60 L 0.233 ft³ 14.5 lbs 6.8 lbs 21.4 lbs
20 ft 3.486 gal 13.19 L 0.466 ft³ 29.1 lbs 13.7 lbs 42.8 lbs
50 ft 8.71 gal 33.0 L 1.17 ft³ 72.7 lbs 34.2 lbs 106.9 lbs
100 ft 17.43 gal 66.0 L 2.33 ft³ 145.4 lbs 68.4 lbs 213.8 lbs
250 ft 43.58 gal 164.9 L 5.83 ft³ 363.5 lbs 171.0 lbs 534.5 lbs
500 ft 87.15 gal 329.8 L 11.65 ft³ 727.0 lbs 342.0 lbs 1069.0 lbs
Engineering Formula

How to Calculate 2" PVC Pipe Volume Manually

Step-by-step mathematical demonstration using cylinder geometric principles and ASTM D1785 specifications.

Step 1

Determine the Internal Radius (r)

Nominal size is 2", but true inner diameter is 2.067 inches.

r = ID / 2 = 2.067 / 2 = 1.0335"
Step 2

Calculate Cross-Sectional Area (A)

Compute circular cross-section area using $A = \pi \times r^2$:

A = \pi \times (1.0335)^2 = 3.3556 sq in
Step 3

Calculate Linear Foot Volume

Multiply cross-sectional area by 12 inches (1 linear foot):

V_linear = 3.3556 \times 12 = 40.267 cu in/ft
Step 4

Convert to US Gallons & Liters

Divide cubic inches by 231 (cubic inches in 1 US Gallon):

Gallons/Ft = 40.267 / 231 = 0.1743 Gal/Ft
Technical Specifications

2" Schedule 40 PVC Engineering Profile

Physical dimensions, pressure thresholds, and hydraulic velocity limits.

Outside Diameter (OD)
2.375 inches
60.3 mm
Inside Diameter (ID)
2.067 inches
52.5 mm
Wall Thickness
0.154 inches
ASTM D1785 Tolerance
Max Recommended Flow
52.3 GPM
At 5 ft/s velocity
Working Pressure
280 PSI
At 73°F (23°C)
Max Temperature Limit
140°F
60°C continuous

Common Plumbing & Piping Applications for 2" Schedule 40:

  • Shower and floor drain lines
  • Commercial pool main circulation
  • Washing machine standpipes
  • Sump discharge headers

Primary Use Case: The most popular PVC size for residential shower drain traps, laundry discharge stacks, and in-ground pool plumbing.

Size Navigation

Compare Other PVC Pipe Sizes

Explore adjacent diameter calculations or compare with different pressure schedules.

← Previous Size 1-1/2" Schedule 40 PVC Overview Directory All PVC Pipe Sizes (Sch 40 & 80) Next Size → 3" Schedule 40 PVC Compare Alternative Schedule ↔ 2" Schedule 80 PVC
Cross-Material Comparison

Compare 2" Pipe in Other Materials

Compare fluid holding capacity, wall thickness, and weight against other standard piping materials for 2" nominal diameter:

Copper Tubing (ASTM B88) 2" Copper (Type K/L/M) Cast Iron DWV (ASTM A888) Cast Iron Soil Pipe Schedule 40 Steel (ASTM A53) Steel Schedule 40 Pipe Fluid Velocity & GPM 2" Flow Rate Calculator
Expert FAQ Guide

2" Schedule 40 PVC FAQs

Frequently asked engineering and volumetric capacity questions for 2" PVC.

3 Questions Answered
Q1 How many gallons are in 100 feet of 2" Schedule 40 PVC pipe?

A 100-foot run of 2-inch Schedule 40 PVC pipe holds exactly 17.43 US Gallons (66.0 Liters) of water.

Q2 What is the internal diameter of a 2-inch PVC Schedule 40 pipe?

The true inside diameter is 2.067 inches (52.5 mm). Outer diameter is 2.375 inches with a 0.154-inch wall thickness.

Q3 How much does a 20-foot stick of 2" PVC weigh when full of water?

An empty 20 ft section weighs 13.68 lbs. When full of water (holding 3.49 gallons = 29.08 lbs of water), the total wet weight is 42.76 lbs.

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