轉換321.18圖表協議（GRT）為奈及利亞奈拉（NGN）

10 GRT

≈ 1,013.18 NGN

20 GRT

≈ 2,026.36 NGN

30 GRT

≈ 3,039.53 NGN

50 GRT

≈ 5,065.89 NGN

100 GRT

≈ 10,131.78 NGN

150 GRT

≈ 15,197.67 NGN

200 GRT

≈ 20,263.56 NGN

300 GRT

≈ 30,395.35 NGN

500 GRT

≈ 50,658.91 NGN

1,000 GRT

≈ 101,317.82 NGN

2,000 GRT

≈ 202,635.65 NGN

3,000 GRT

≈ 303,953.47 NGN

5,000 GRT

≈ 506,589.12 NGN

10,000 GRT

≈ 1,013,178.25 NGN

20,000 GRT

≈ 2,026,356.49 NGN

30,000 GRT

≈ 3,039,534.74 NGN

50,000 GRT

≈ 5,065,891.24 NGN

100,000 GRT

≈ 10,131,782.47 NGN