pet-tools

How many fish your tank can safely hold — stocking level, filtration check and water-change plan.

Estimate your horse's weight with the heart-girth tape formula, plus dewormer dosing.

Free puppy weight calculator: predict your puppy's adult weight with the vet formula, breed-size curve adjustment, and growth timeline. No signup.

Cat litter calculator: how many litter boxes you need (the n+1 rule) and how many litter bags to buy each month, by litter type. Free tool.

Free chicken coop size calculator: coop and run space, nest boxes, roost length and monthly feed for your flock. No signup.

Free dog chocolate toxicity calculator: instant theobromine dose (mg/kg), risk level, per-type comparison and emergency steps. No signup.

Fish medication doses by true tank volume, with treatment calendar.

Chicken coop, run, roost and nesting boxes sized to your flock.

Free horse hay calculator: daily hay by body weight, winter season totals, bale counts and cost. No signup.

Free dog crate size calculator: measure your dog, get the right standard crate size, divider tips and size chart. No signup.

Dog walk calculator: daily walk minutes by your dog's weight and energy level, with puppy and senior adjustments. Free pet tool.