8 Services from pet-calc.x402tookit.com

Calculates aquarium gross volume in US gallons and litres from inside tank dimensions, usable water volume after substrate/decor, and total water weight.

Calculates daily and per-meal pet food portions in grams, cups, and ounces from daily calorie needs and food energy density, with a configurable treat allowance.

Calculates nitrate concentration remaining after partial water changes, how many changes are needed to reach a target PPM, and the volume of water exchanged per change.

Calculates daily caloric needs (DER) for a dog or cat based on species, body weight, and life stage, returning kcal/day with treat allowance and meal breakdowns.

Calculates the resting energy requirement (RER) in kcal/day for a dog or cat from body weight using the formula 70 × kg^0.75 and the linear shortcut approximation.

Estimates a dog's or cat's ideal weight from their current weight and a 1-9 body condition score, calculating how much weight to lose and a timeline for safe loss.

Converts a dog's age in calendar years to human-equivalent ages using both the AVMA 15-9-5 rule and the 2020 epigenetic-clock formula (16 ln(age) + 31)

Splits a pet's daily food amount into evenly spaced meals between a first and last feeding time, returning per-meal portions and 12-hour clock times.