HowNote Tools · Pipe / Tube

Pipe Weight Calculator

Calculate theoretical pipe mass from actual geometry and density. Nominal size, measured dimensions and published reference weight remain visibly separate.

Reference size or custom geometry

Geometry unit

Custom input method

Outside diameter (mm)

Wall thickness (mm)

Material density preset

Density (kg/m³)

Length per piece

Length unit

Quantity

Calculated result

— kg total

— lb total

Inside diameter—

Wall thickness—

Cross-sectional area—

Weight per metre—

Weight per foot—

Weight per piece—

Published reference—

Calculated difference—

Formula: π/4 × (OD² − ID²) × density. Published nominal mass is a separate manufacturer reference and can differ from the theoretical result.

Find the matching DN / NPS / A size →

Initial Schedule 40 reference subset

Standard identity: ASME B36.10-2022. The limited OD, wall and nominal-mass subset is cross-checked from manufacturer publications and is not presented as a transcription of the copyrighted ASME table.

Size	OD mm	Wall mm	Published kg/m
DN 50 · 50A · NPS 2	60.3	3.91	5.44	Use →
DN 65 · 65A · NPS 2 1/2	73	5.16	8.63	Use →
DN 80 · 80A · NPS 3	88.9	5.49	11.29	Use →
DN 100 · 100A · NPS 4	114.3	6.02	16.07	Use →
DN 150 · 150A · NPS 6	168.3	7.11	28.26	Use →
DN 200 · 200A · NPS 8	219.1	8.18	42.55	Use →

ASME standard metadata Wheatland manufacturer reference Nucor manufacturer reference