We’ve developed this easy-to-use calculator to help Vets work out the best feeding plan for their patients.
Watch our short video to see how it works before testing it yourself.

Patient Name:
Date:
BWT (kg):
Case Vet:
1. Calculate RER (Resting Energy Requirement)
a. For dogs and cats between 2 kg and 45 kg use a linear formula - RER= (30 x BW) + 70
30 x BWT + 70 = 70.00 kcal required/day
b. Alternatively, you can use an allometric formula that can be applied to dogs and cats of all body weights (BW)
70 x (BWT ^ 0.75) = 0.00 kcal required/day
2. Choose illness factor if required and use to multiply RER
a. Ilness factor: ** input 1 (one) if not applicable
3. Product Selected: = kcal/ml
4. Calculate water addition and caloric density dilution
a. volume of food made up (mls) = + ml/water = 1.00 kcal/ml
5. Calculate the volume of food to be given (RER x Illnes factor ÷ kcal/ml)
a. x illnesss factor ÷ kcal/ml = 4.00 ml per day at full RER
6. Input the number of feeds for the day (between 4-6 feeds per day is usually sufficient)
a.