| Calculation | Unit | Method | Formula | Advantage | Disadvantage | Mainly References |
| Body weight | mg/Kg or mL/Kg | It is known that the dose of A animal per kg body weight is found by looking up the table (W) | Dose of B animals (mg/Kg) = dose of W × A animals (mg/Kg) | Lookup table calculation is convenient and accurate; the most commonly used calculation method | The conversion process is more complicated | [1] [5] [6] [9] [11] [14] [15] [16] [17] [18] |
| Body surface area | mg/m2 | According to Meeh-Rubner’s formula, K is a constant 10.1, W is the body mass, in g | A = K × (W2/3)/10000 | Simple calculation | The K value reports are slightly different, and the estimated value is rough. | [10] [13] |
| Number | one of a pair | - | - | Simple | Inaccurate | [17] [19] |