1. Enter usable storage capacity
Use the amount of food the container can safely hold, not merely its external volume.
2. Enter daily food usage
Use weight consumed per day for all dogs sharing this stored food.
3. Choose a reserve window
Set the number of days of food you prefer to keep untouched as a reorder cushion.
4. Review usable coverage
The main result shows how many feeding days remain before the reserve quantity is reached.