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Adult size?? How big will my puppy get?

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How big will your puppy get?

Click here for a great weight calculator!

There is no exact way to predict adult size of your puppy. There are different charts and different theories. I have included one chart below for you to look at. Also very valuable is looking at the bloodlines and the sizes of the dogs in the pedigrees.

Different theories that come into play are:

"The Double It" This predictor says to double the weight of the puppy when it reaches 12 weeks (for a small breed dog and 14 weeks (for a large breed dog) of age.

"The Skin" Examine the skin. The looser it it, the bigger your pup, for he needs to grow into all that excess skin

"Bone Plate Closures" Remember Epiphyseal plates when studying your bones? Dogs have those plates too and they close between 8-11 months of age. These are their growth plates. Extrapolated...this means that a puppy will have 75% of its mature height by the age of 6 months.

Since every puppy is different, the average growth curve may not match exactly. Some puppies gain weight faster and some a little slower, so don't get worried if the result looks different from what you expected.

Rules about weight gain and puppies...larger dogs take longer to reach their adult weight. Small dogs will be almost fully grown at around 10 months old, while really big dogs will continue to grow until around one and a half years old.

The food your puppy is eating is very important for it to grow. Make sure you're giving your puppy a balanced diet with all needed nutrients.

If your puppy doesn't gain weight as it should, it may be best to contact your veterinarian.

Here is another chart that applies to toy dogs.......The left hand column is the puppy's age in weeks. Weigh your puppy in ounces and then the adult weight is at the bottom of the column of the correct age and weight.

Birth	2 1/2 oz.	2 3/14 oz.	3 oz.	3 1/2 oz.	4 oz.	4 1/4 oz.	4 1/2 oz.	5 oz.	5 1/2 oz.
1 week	3 3/4	4	5	5 1/2	6 1/2	7	8	9	9 1/2
2 weeks	5	5 1/2	6 1/2	7	9	10	11	12 1/2	13 1/2
3 weeks	6	7	8	9	11	13	14	16	17 1/2
4 weeks	7	8	9 1/2	11	13	15	17	19	21
5 weeks	8	9	11	13	15	17	19 1/2	22	24
6 weeks	9	11	12 1/2	15	17 1/2	20	22	24	27
7 weeks	10	12	14 1/2	17	19 1/2	22	24 1/2	27	30
8 weeks	11	13	16	19	21 1/2	24	27	29	33
9 weeks	12	15	17 1/2	20	23	26	29	32	35
10 weeks	13	16	19	22	25	28	31	34	38
11 weeks	14	17	21	24	27	31	34	37	42
12 weeks	15	19	22	26	30	33	37	41	45
13 weeks	16	20	24	28	32	36	40	44	49
14 weeks	17	22	26	30	34	39	43	47	52
15 weeks	19	23	28	32	37	41	46	51	56
16 weeks	20	25	30	34	39	44	49	54	59
17 weeks	21	26	31	36	41	46	51	57	62
18 weeks	22	28	33	37	43	48	54	60	65
19 weeks	23	29	34	39	44	50	56	62	67
20 weeks	24	30	35	41	46	52	58	64	70
21 weeks	25	31	36	42	48	54	60	66	72
22 weeks	25	32	37	43	49	56	62	68	74
23 weeks	26	33	38	44	50	57	64	70	76
24 weeks	26	33	39	45	51	58	65	71	78
25 weeks	27	34	40	46	52	59	66	72	79
26 weeks	27	34	40	47	53	60	67	73	80
18 months	2 lb.	2 1/2 lb.	3 lb.	3 1/2 lb.	4 lb.	4 1/2 lb.	5 lb.	5 1/2 lb.	6 lb.

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