Puppy Calculator
Estimate your puppy's adult weight and daily feeding amounts based on current age and weight.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Puppy Calculator
This tool estimates your puppy’s adult weight and daily food needs. All values are in pounds (lbs) and weeks.
- Select Breed Size – Choose the expected adult size category (Small, Medium, Large, or Giant).
- Enter Current Age – Type your puppy’s age in weeks (0–104).
- Enter Current Weight – Type your puppy’s current weight in pounds (greater than 0).
- Click “Calculate” – The results will show:
- Estimated Adult Weight – projected adult weight in lbs.
- Daily Food Amount – approximate food in lbs and oz (based on ~2% of adult weight).
- Input Summary – your entered data for reference.
Tip: Use a kitchen scale for accurate weight. The calculator uses a simple growth model; actual results may vary.
Previous Results
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Frequently Asked Questions
The estimate is based on breed size category and age. It provides a rough guide; actual adult weight may vary.
Select the best match for the expected size based on the parents or breed characteristics.
The daily food amount is an estimate. Adjust based on your puppy's activity level and consult your vet.