Example: To convert 5 quarter (US) to femtogram, multiply 5 by 8.818490487395101e-20 to get 4.4092e-19 fg (4.4092e-19 fg).
| qr_us | fg |
|---|---|
| 4 qr_us | 3.5274e-19 fg (3.5274e-19 fg) |
| 5 qr_us | 4.4092e-19 fg (4.4092e-19 fg) |
| 6 qr_us | 5.2911e-19 fg (5.2911e-19 fg) |
| 7 qr_us | 6.1729e-19 fg (6.1729e-19 fg) |
| 8 qr_us | 7.0548e-19 fg (7.0548e-19 fg) |
| 9 qr_us | 7.9366e-19 fg (7.9366e-19 fg) |
| 10 qr_us | 8.8185e-19 fg (8.8185e-19 fg) |
| 11 qr_us | 9.7003e-19 fg (9.7003e-19 fg) |
| 12 qr_us | 1.0582e-18 fg (1.0582e-18 fg) |
| 13 qr_us | 1.1464e-18 fg (1.1464e-18 fg) |
| 14 qr_us | 1.2346e-18 fg (1.2346e-18 fg) |
| 15 qr_us | 1.3228e-18 fg (1.3228e-18 fg) |
| 16 qr_us | 1.4110e-18 fg (1.4110e-18 fg) |
| 17 qr_us | 1.4991e-18 fg (1.4991e-18 fg) |
| 18 qr_us | 1.5873e-18 fg (1.5873e-18 fg) |