Pets calculators

A focused hub of formula-based tools in the pets category. Each page includes the calculator, formula, assumptions, and related tools.

Updated 4 Aug 2026

Chicken Coop, Run and Roost Size Calculator

Calculate coop area, run area, roost length, nest boxes, and ventilation for a backyard chicken flock.

Updated 4 Aug 2026

Dog Calorie and Food Portion Calculator

Estimate dog kcal/day and food portions from body weight, life stage, food calories, and meals per day.

Updated 14 Aug 2026

Pond Pump and Filter Turnover Calculator

Calculate pond pump size, delivered flow, turnover, waterfall GPH, head-height derating, filter capacity, and monthly electricity cost for garden, goldfish, and koi ponds.

Updated 8 Aug 2026

Reptile Enclosure Heat and UVB Starter Calculator

Plan reptile heat and UVB starter settings from species profile, enclosure dimensions, room temperature, enclosure material, UVB fixture, mesh, and lamp distance.