US bar number to pounds per foot
Type a value in # to get it in lb/ft instantly.
1.044lb/ft
That's 1.32× as thick as slab rebar, while footing rebar is 1.01× thicker. A bar that thick weighs 1.554 kg/m (1.044 lb/ft).
What it means
How thick is that bar?
Nominal diameters (ASTM A615). Weight for steel at 7,850 kg/m³; the deformations (ribs) are included in the nominal size.
The math
How to convert # to lb/ft
Up to #8, diameter = number ÷ 8 in; #9–#18 by table. Weight = 0.006165 × d² kg/m (d in mm).
Example: #5 # = 1.04409 lb/ft.
Every unit
That bar in every unit
Tables
# to lb/ft conversion table
| # | lb/ft |
|---|---|
| #3 # | 0.375871 lb/ft |
| #4 # | 0.668215 lb/ft |
| #5 # | 1.04409 lb/ft |
| #6 # | 1.50348 lb/ft |
| #7 # | 2.04641 lb/ft |
| #8 # | 2.67286 lb/ft |
| #9 # | 3.4009 lb/ft |
| #10 # | 4.31106 lb/ft |
| #11 # | 5.31391 lb/ft |
| #14 # | 7.66108 lb/ft |
| #18 # | 13.6157 lb/ft |
lb/ft to # conversion table
| lb/ft | # |
|---|---|
| 0.376 lb/ft | #3 # |
| 0.668 lb/ft | #4 # |
| 1.04 lb/ft | #5 # |
| 1.5 lb/ft | #6 # |
| 2.05 lb/ft | #7 # |
| 2.67 lb/ft | #8 # |
| 3.4 lb/ft | #9 # |
| 4.31 lb/ft | #10 # |
| 5.31 lb/ft | #11 # |
| 7.66 lb/ft | #14 # |
| 13.6 lb/ft | #18 # |
Quick answers
Quick answers
- How many lb/ft is #10 #?
- #10 # is 4.31106 lb/ft.
- How many lb/ft is #5 #?
- #5 # is 1.04409 lb/ft.
The units
About these units
US bar number (#)
US bar size #3 to #18.
Pounds per foot (lb/ft)
Weight of one foot of bar.
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