Berikut ini adalah ukuran besi siku
| No | Ukuran Besi Siku | Berat Per Kg |
| 1 | Besi Siku ukuran 30 x 30 x 3 mm – 6 M | 8,16 |
| 2 | Besi Siku ukuran 40 x 40 x 3 mm – 6 M | 11 |
| 3 | Besi Siku ukuran 40 x 40 x 4 mm – 6 M | 14,5 |
| 4 | Besi Siku ukuran 50 x 50 x 5 mm – 6 M | 22,68 |
| 5 | Besi Siku ukuran 60 x 60 x 6 mm – 6 M | 32,52 |
| 6 | Besi Siku ukuran 65 x 65 x 6 mm – 6 M | 35,46 |
| 7 | Besi Siku ukuran 70 x 70 x 6 mm – 6 M | 38,28 |
| 8 | Besi Siku ukuran 70 x 70 x 7 mm – 6 M | 44,28 |
| 9 | Besi Siku ukuran 75 x 75 x 6 mm – 6 M | 41,22 |
| 10 | Besi Siku ukuran 75 x 75 x 7 mm – 6 M | 47,64 |
| 11 | Besi Siku ukuran 75 x 75 x 8 mm – 6 M | 54,18 |
| 12 | Besi Siku ukuran 75 x 75 x 9 mm – 6 M | 60 |
| 13 | Besi Siku ukuran 80 x 80 x 6 mm – 6 M | 43,02 |
| 14 | Besi Siku ukuran 80 x 80 x 8 mm – 6 M | 57,96 |
| 15 | Besi Siku ukuran 90 x 90 x 8 mm – 6 M | 65,4 |
| 16 | Besi Siku ukuran 90 x 90 x 9 mm – 6 M | 73,2 |
| 17 | Besi Siku ukuran 90 x 90 x 10 mm – 6 M | 79,8 |
| 18 | Besi Siku ukuran 100 x 100 x 8 mm – 6 M | 73,2 |
| 19 | Besi Siku ukuran 100 x 100 x 10 mm – 6 M | 90,6 |
| 20 | Besi Siku ukuran 120 x 120 x 12 mm – 6 M | 130 |
| 21 | Besi Siku ukuran 125 x 125 x 12 mm – 6 M | 140 |
| 22 | Besi Siku ukuran 130 x 130 x 9 mm – 6 M | 129 |
| 23 | Besi Siku ukuran 130 x 130 x 12 mm – 6 M | 140 |
| 24 | Besi Siku ukuran 150 x 150 x 12 mm – 6 M | 164 |
| 25 | Besi Siku ukuran 150 x 150 x 15 mm – 6 M | 202 |
| 26 | Besi Siku ukuran 200 x 200 x 15 mm – 6 M | 272 |
| 27 | Besi Siku ukuran 200 x 200 x 16 mm – 6 M | 301 |
| 28 | Besi Siku ukuran 200 x 200 x 20 mm – 6 M | 358 |
| 29 | Besi Siku ukuran 200 x 200 x 25 mm – 6 M | 442 |
| 30 | Besi Siku ukuran 250 x 250 x 25 mm – 6 M | 562 |
