The resting calorie needs (RER) are calculated using the following formula:
\[ \text{RER (cal/day)} = 70 \times (\text{weight (kg)})^{0.75} \]
The total daily energy needs (MER) are calculated using the following formula:
\[ \text{MER (cal/day)} = \text{RER} \times \text{factor} \]