轉換12.40圖表協議（GRT）為英鎊（GBP）

10 GRT

≈ 0.282392 GBP

20 GRT

≈ 0.564785 GBP

30 GRT

≈ 0.847177 GBP

50 GRT

≈ 1.41 GBP

100 GRT

≈ 2.82 GBP

150 GRT

≈ 4.24 GBP

200 GRT

≈ 5.65 GBP

300 GRT

≈ 8.47 GBP

500 GRT

≈ 14.12 GBP

1,000 GRT

≈ 28.24 GBP

2,000 GRT

≈ 56.48 GBP

3,000 GRT

≈ 84.72 GBP

5,000 GRT

≈ 141.2 GBP

10,000 GRT

≈ 282.39 GBP

20,000 GRT

≈ 564.78 GBP

30,000 GRT

≈ 847.18 GBP

50,000 GRT

≈ 1,411.96 GBP

100,000 GRT

≈ 2,823.92 GBP