EN 10080 / Eurocode 2Metric
16 mm Rebar (European Standard Metric)
Authoritative dimensional properties, unit weight, cross-sectional area, spacing tables, standard hook geometries, and ACI 318-19 tension development length for structural concrete design.
Nominal Diameter
0.63″
16 mm
Nominal Area (Ab)
0.312 in²
201.1 mm²
Unit Weight
1.06 lb/ft
1.578 kg/m
90° Standard Hook
7.6″ tail
Pin: 2.52″ (64 mm)
Cross-Sectional & Geometric PropertiesDual US & SI Units
| Bar Designation | Ø16 | Code Standard | EN 10080 / Eurocode 2 |
| Nominal Diameter (db) | 0.63 in | Metric Diameter | 16 mm |
| Cross-Sectional Area (Ab) | 0.312 in² | Metric Area | 201.1 mm² |
| Linear Weight | 1.06 lb/ft | Metric Mass | 1.578 kg/m |
| Nominal Perimeter | 1.979 in | Metric Perimeter | 50.3 mm |
| Minimum Clear Spacing | max(1.0″, 0.63″) | ACI Provision | ACI 318-19 §25.2.1 |
ACI 318-19 Standard Hook Geometry (Table 25.3.1)
| Hook Type | Min. Inside Bend Pin | Extension Length (US) | Extension Length (SI) |
|---|---|---|---|
| 90° Standard Hook | 2.52″ (64 mm) | 7.6″ (12db) | 192 mm |
| 180° Standard Hook | 2.52″ (64 mm) | 2.5″ (max(4db, 2.5″)) | 64 mm |
CAD Cross-Section SchematicEN 10080 / Eurocode 2
Nominal Linear Weight1.06 lb/ft (1.578 kg/m)
Common Structural Applications
- ›The primary workhorse bar for residential and commercial beam tension reinforcement across Europe, UK, and Middle East
- ›Columns, raft foundations, and basement perimeter walls
Engineering Detailing Note
Area is 201 mm²; weighs 1.58 kg/m. Minimum mandrel diameter is 4db = 64 mm.
Ø16 Rebar Spacing Table (As / Unit Width)
Area of longitudinal reinforcement provided for slabs, walls, and footing mats at given on-center spacings.
Metric Spacings (mm² of steel per linear metre of slab/wall)
| 75 mm o.c. | 100 mm o.c. | 125 mm o.c. | 150 mm o.c. | 175 mm o.c. | 200 mm o.c. | 250 mm o.c. | 300 mm o.c. | 400 mm o.c. |
|---|---|---|---|---|---|---|---|---|
| 2681mm²/m | 2011mm²/m | 1609mm²/m | 1341mm²/m | 1149mm²/m | 1006mm²/m | 804mm²/m | 670mm²/m | 503mm²/m |
ACI 318-19 Tension Development Length (ld)
Calculated using ACI 318-19 Section 25.4.2.3 simplified method for Grade 60 (420 MPa) deformed bars in normal-weight concrete with clear spacing ≥ db and clear cover ≥ db.
| Concrete Strength (f'c) | Bottom Bars (ld) [ψt = 1.0] | Top Bars (ld) [ψt = 1.3] | Governing Provision | Minimum Limit |
|---|---|---|---|---|
| 21 MPa (~3045 psi) | 698 mm | 908 mm | CSA A23.3 / ACI 318M | ld ≥ 300 mm |
| 28 MPa (~4060 psi) | 605 mm | 786 mm | CSA A23.3 / ACI 318M | ld ≥ 300 mm |
| 35 MPa (~5075 psi) | 541 mm | 703 mm | CSA A23.3 / ACI 318M | ld ≥ 300 mm |
| 42 MPa (~6090 psi) | 494 mm | 642 mm | CSA A23.3 / ACI 318M | ld ≥ 300 mm |
Integrated Calculation Engine
Design Reinforcement with Ø16 in AXIS
Run instant ACI 318-19 beam flexure, shear stirrup spacing, column P-M interaction, and development length checks with full KaTeX step-by-step audit logs.
Previous Size12 mm Rebar (European Standard Metric)
All Rebar Sizes & Charts →Next Size20 mm Rebar (European Standard Metric)
→