Shelf 03
Pets and Animals calculators
Dog years, round pens and chicken runs: space, size and age sums for pets and small livestock. Arithmetic only, never veterinary advice.
- Calculators on this shelf
- 3
- Typical formula
- panels = πD ÷ panel
Front of the shelf
Card 03-0020Dog Years to Human Years CalculatorEquivalent human age39.0 yearsConvert a dog's age to human years with the common 15-9-5 rule of thumb instead of the old times-seven rule.
Card 03-0022Chicken Coop and Run Size CalculatorRun area60 ft²Run area and coop floor area for a flock from space per bird, plus the side of a square run.
Card 03-0021Round Pen Calculator: Panels, Circumference and AreaFence length (circumference)188.5 ftHow many panels a round pen needs from its diameter and panel length, plus the fence length and area.
Everything in Pets and Animals
| Page | Example result |
|---|---|
| Chicken Coop and Run Size Calculator | 60 ft² |
| Dog Years to Human Years Calculator | 39.0 years |
| Round Pen Calculator: Panels, Circumference and Area | 188.5 ft |
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Every calculator uses a standard formula and shows it. How the calculators work.