| Femtogram | Tetradrachma (Biblical Greek) |
| 1 fg | 7.3529411764706E-16 tetradrachma |
| 2 fg | 1.4705882352941E-15 tetradrachma |
| 3 fg | 2.2058823529412E-15 tetradrachma |
| 4 fg | 2.9411764705882E-15 tetradrachma |
| 5 fg | 3.6764705882353E-15 tetradrachma |
| 6 fg | 4.4117647058824E-15 tetradrachma |
| 7 fg | 5.1470588235294E-15 tetradrachma |
| 8 fg | 5.8823529411765E-15 tetradrachma |
| 9 fg | 6.6176470588235E-15 tetradrachma |
| 10 fg | 7.3529411764706E-15 tetradrachma |
| 11 fg | 8.0882352941176E-15 tetradrachma |
| 12 fg | 8.8235294117647E-15 tetradrachma |
| 13 fg | 9.5588235294118E-15 tetradrachma |
| 14 fg | 1.0294117647059E-14 tetradrachma |
| 15 fg | 1.1029411764706E-14 tetradrachma |
| 16 fg | 1.1764705882353E-14 tetradrachma |
| 17 fg | 1.25E-14 tetradrachma |
| 18 fg | 1.3235294117647E-14 tetradrachma |
| 19 fg | 1.3970588235294E-14 tetradrachma |
| 20 fg | 1.4705882352941E-14 tetradrachma |