轉換31.39圖表協議（GRT）為日圓（JPY）

10 GRT

≈ 106.49 JPY

20 GRT

≈ 212.98 JPY

30 GRT

≈ 319.47 JPY

50 GRT

≈ 532.46 JPY

100 GRT

≈ 1,064.91 JPY

150 GRT

≈ 1,597.37 JPY

200 GRT

≈ 2,129.82 JPY

300 GRT

≈ 3,194.73 JPY

500 GRT

≈ 5,324.55 JPY

1,000 GRT

≈ 10,649.11 JPY

2,000 GRT

≈ 21,298.21 JPY

3,000 GRT

≈ 31,947.32 JPY

5,000 GRT

≈ 53,245.53 JPY

10,000 GRT

≈ 106,491.07 JPY

20,000 GRT

≈ 212,982.14 JPY

30,000 GRT

≈ 319,473.2 JPY

50,000 GRT

≈ 532,455.34 JPY

100,000 GRT

≈ 1,064,910.68 JPY