Pet care guides

The how and why behind the numbers — plain-English walkthroughs, each linking to the calculator that runs the math for you.

Why the ×7 rule is wrong, and how size changes the way dogs age.

Portions by age and growth — and why puppies eat more than adults.

Measure your dog and pick the right crate — with a puppy tip.

Daily water needs — plus dehydration and over-drinking signs.

Volume, stocking, and how heavy a full tank really is.