Calculate empty and water-filled pipe weight per foot and total tonnage across Schedule 10, 40, 80, and 160 steel, stainless, aluminum, and PVC piping.
Select nominal size, schedule wall rating, and material alloy
Critical for pipe hanger and support sizing
Estimated raw pipe material cost
1,079 lbs Pipe Steel + 548 lbs Water (65.7 Gallons)
16.07 kg/m empty pipe
102.3 mm internal bore
248.8 Liters internal volume
3,809 in³ solid metal
@ $28 per foot (100 linear feet)
Piping designers often calculate support clevises and trapeze hangers based solely on empty steel weight. When a 6-inch pipe is hydro-tested with water, its operating weight increases by over 60%, leading to sagging racks and failed anchors.
A 2-inch pipe does not have a 2.0-inch outside diameter; it measures 2.375 inches. Calculating volume using nominal dimensions underestimates metal weight and crane rigging loads by up to 25%. Our tool automatically applies standard ASME B36.10 dimensions.
Because Schedule 80 maintains the exact same outside diameter as Schedule 40 but thickens the inner wall, estimators frequently overlook the 35% heavier freight tonnage required when upgrading to heavy-wall pipe on high-pressure projects.
Exceeding the legal 45,000-lb payload limit on semi flatbeds causes costly state DOT fines and job site delays. Our tool computes exact tonnage for full pipeline runs so contractors optimize delivery spools safely.
Select NPS from 1/2" to 12" or input custom outside diameter and wall thickness values.
Select Schedule 10, Schedule 40 standard, Schedule 80 extra strong, or Schedule 160 heavy wall.
Choose carbon steel (0.2833 lb/in³), stainless steel 304/316, aluminum, copper, or PVC.
Review empty weight, water-filled weight, capacity in gallons, weight per foot, and total tonnage.
Under ASME B36.10M (Welded and Seamless Wrought Steel Pipe), nominal wall thicknesses and outside diameters follow standardized schedules. The theoretical weight per linear foot of carbon steel pipe is derived from solid ring geometry:
When calculating total load for structural seismic calculations or pipe hanger span rules (MSS SP-69), the weight of the water inside must always be combined with the tare pipe weight: $$W_{\text{operating}} = W_{\text{pipe}} + \left(\frac{\pi \times D_i^2}{4 \times 144} \times 62.4 \times L\right)$$
Complete dimensional database for standard steel and stainless pipe from Schedule 10 through Schedule XXS.
Supports full commercial piping ranges with precise millimeter and fractional outer diameter dimensions.
Calculates internal fluid volume and total filled water weight for hydrostatic testing and pipe hanger engineering.
Computes weight per foot/meter, individual pipe joint weight, and total trailer freight tonnage.
For standard carbon steel pipe, weight per foot is calculated using the ASTM formula: W = 10.69 x (OD - t) x t, where OD is the outside diameter in inches, t is the wall thickness in inches, and 10.69 is the steel density conversion constant (derived from 0.2833 lbs/in³ x 12 in x pi).
Weights vary by nominal size: a 2-inch Schedule 40 pipe (2.375\" OD, 0.154\" wall) weighs 3.65 lbs/ft; a 3-inch pipe (3.50\" OD, 0.216\" wall) weighs 7.58 lbs/ft; a 4-inch pipe (4.50\" OD, 0.237\" wall) weighs 10.79 lbs/ft; and a 6-inch pipe (6.625\" OD, 0.280\" wall) weighs 18.97 lbs/ft.
To find water weight: calculate internal cross-sectional area: Area = pi x (Inside Diameter / 2)², multiply by pipe length to get cubic volume, and multiply by water density (62.4 lbs/cu ft or 8.34 lbs/gallon). Structural engineers must size pipe hangers and seismic braces for the combined weight of the pipe plus water.
Schedule 80 pipe has the exact same outside diameter (OD) as Schedule 40, but features a substantially thicker wall, resulting in a smaller inside diameter, higher burst pressure rating, and approximately 30% to 40% heavier weight per linear foot.
For pipe sizes from NPS 1/8\" up to NPS 12\", the nominal number refers roughly to internal diameter, while outside diameter (OD) is standardized larger (e.g. 2\" NPS has an OD of 2.375\"). For pipes 14 inches and larger, nominal pipe size equals the exact outside diameter (e.g. 14\" NPS is exactly 14.00\" OD).
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