How many calories does a neutered adult Spanish Water Dog need?

At 39.9 lb, the verified feeding table lists 983 kcal per day for a Spanish Water Dog (resting energy 614 kcal times a factor of 1.6).

How many calories does an intact adult Spanish Water Dog need?

At 39.9 lb, the verified feeding table lists 1106 kcal per day for a Spanish Water Dog (resting energy 614 kcal times a factor of 1.8).

How many calories does a Spanish Water Dog puppy under 4 months need?

At 39.9 lb, the verified feeding table lists 1843 kcal per day for a Spanish Water Dog (resting energy 614 kcal times a factor of 3).

How many calories does the weight-loss row list for a Spanish Water Dog?

At 39.9 lb, the verified feeding table lists 614 kcal per day for a Spanish Water Dog (resting energy 614 kcal times a factor of 1).

Feeding calculator

How much to feed a Spanish Water Dog

A 40 lb Spanish Water Dog is the starting weight on this calculator, taken from the verified adult range (40–49 lb (male), 31–40 lb (female)).

Last reviewed November 1, 2026.

Spanish Water Dog dog — Photo: Томасина · CC BY-SA 3.0 · Wikimedia Commons

Daily portion

Dog food calculator: 985 kcal; 2.81 cups · 338 g · 2 meals
Merck chart, Adult, neutered: 984 kcal; Resting energy 615 kcal × 1.6, before the calculator's activity and size adjustment.

Lifespan12–14 years

Weight40–49 lb (male), 31–40 lb (female)

SizeMedium GroupHerding Group

Resting energy at that weight is about 615 kcal per day. The Merck neutered-adult factor of 1.6 puts maintenance near 984 kcal before activity is added. The dog food calculator on this page uses that same resting-energy formula, then applies the activity and size adjustments from the main dog food calculator.

Reading the portions

Compared with other single-size medium breeds, that neutered-adult portion is 110 kcal higher than the 874 kcal for an average medium breed at 34.1 lb.

Portions are a starting estimate. Spanish Water Dog individuals can vary by body condition, neuter status, and how much they work. Adjust the bowl from what you see on the ribs, not from the table alone.

Feeding table from the verified weight chart

RER=70*kg^0.75; MER=RER*factor. Starting estimate only; individuals vary up to 50%; adjust by body condition

Spanish Water Dog adults maintenance energy

Swipe sideways to read every column.

Weight	RER	Adult, neutered	Adult, intact	Puppy under 4 months	Puppy 4 months and older	Weight loss
30.9 lb (14 kg)	507 kcal	811 kcal	912 kcal	1520 kcal	1013 kcal	507 kcal
35.5 lb (16.1 kg)	563 kcal	900 kcal	1013 kcal	1688 kcal	1125 kcal	563 kcal
39.9 lb (18.1 kg)Current weight	614 kcal	983 kcal	1106 kcal	1843 kcal	1229 kcal	614 kcal
44.5 lb (20.2 kg)	667 kcal	1067 kcal	1201 kcal	2001 kcal	1334 kcal	667 kcal
48.9 lb (22.2 kg)	716 kcal	1145 kcal	1289 kcal	2148 kcal	1432 kcal	716 kcal