Example: To convert 5 Electron mass (rest) to quarter (US), multiply 5 by 1.2448484062549241e+31 to get 6.2242e+31 qr_us (6.2242e+31 qr_us).
| m_e | qr_us |
|---|---|
| 1 m_e | 1.2448e+31 qr_us (1.2448e+31 qr_us) |
| 2 m_e | 2.4897e+31 qr_us (2.4897e+31 qr_us) |
| 3 m_e | 3.7345e+31 qr_us (3.7345e+31 qr_us) |
| 4 m_e | 4.9794e+31 qr_us (4.9794e+31 qr_us) |
| 5 m_e | 6.2242e+31 qr_us (6.2242e+31 qr_us) |
| 6 m_e | 7.4691e+31 qr_us (7.4691e+31 qr_us) |
| 7 m_e | 8.7139e+31 qr_us (8.7139e+31 qr_us) |
| 8 m_e | 9.9588e+31 qr_us (9.9588e+31 qr_us) |
| 9 m_e | 1.1204e+32 qr_us (1.1204e+32 qr_us) |
| 10 m_e | 1.2448e+32 qr_us (1.2448e+32 qr_us) |
| 11 m_e | 1.3693e+32 qr_us (1.3693e+32 qr_us) |
| 12 m_e | 1.4938e+32 qr_us (1.4938e+32 qr_us) |
| 13 m_e | 1.6183e+32 qr_us (1.6183e+32 qr_us) |
| 14 m_e | 1.7428e+32 qr_us (1.7428e+32 qr_us) |
| 15 m_e | 1.8673e+32 qr_us (1.8673e+32 qr_us) |