English Mastiff Size: How Big Are They Compared To Others? (2024)

Last Updated on April 11, 2023 by Amin Tawar

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English Mastiff Height

English Mastiff Size: How Big Are They Compared To Others? (1)

The English Mastiff, also known as the Mastiff, is a large British dog breed. This dog breed is an honorable yet friendly animal.

They’re affectionate and loving toward their family, and their calm demeanor makes them excellent companions for older children. However, due to its large size, the breed is not advised for toddlers.

The English Mastiff is an ancient domestic dog breed that is quite large and heavy. In terms of their height, the standing length of the male English Mastiff is about 30 inches tall (2 ft. 6 in), whereas the female English Mastiff has a length of 27 inches tall (2 ft. 2 in).

The male English Mastiff is larger in terms of height than their female counterparts.

HeightCentimeterInchesFeet
English Mastiff (male)76.230 in2 ft. 6 in
English Mastiff (female)68.5827 in2 ft. 2 in

English Mastiff Weight

It is not only in terms of height that the English Mastiff is considered to be massive but also in terms of their body mass.

The English Mastiff is therefore considered to be a giant breed in the dog species. Male English Mastiffs can weigh up to 200 pounds (90 kilograms) when fully grown, while females start at around 150 pounds (68 kilograms).

The male English Mastiffs, just like their large size, are quite heavier than their female counterparts.

It is quite unbelievable that the heaviest English Mastiff weighs about 315 pounds, even heavier than a healthy human.

See also Irish Wolfhound Size Explained: How Big Are They Compared To Others?

Thus, it is said that English Mastiffs are massive dogs that can easily outweigh an adult man.

WeightKilogramsPounds
English Mastiff (male)90 kg200 pounds
English Mastiff (female)68 kg150 pounds

English Mastiff Puppy Size

Puppies are the young ones of adult dog breeds. It goes without saying that a puppy or a young member of the dog species would be shorter and lighter.

The huge adult species of dogs such as the English Mastiff were once very small, cute, and fluffy puppies, who were smaller than what the adult would be.

Also, the size of the puppies is not constant for a long period of time, you would not even realize when your puppy became a full-grown dog.

This is because their size increases every few months, below is a chart describing the height and weight of the English Mastiff at different ages.

Height

AgeMale HeightFemale Height
2 months14 – 15 inches(35.6 – 38.1 cm)13 – 14.5 inches(33 – 36.8 cm)
3 months20 – 22 inches(50.8 – 55.9 cm)19 – 21 inches(48.2 – 53.3 cm)
4 months21.5 – 23 inches(54.6 – 58.4 cm)20 – 22 inches(50.8 – 55.9cm)
5 months22 – 23.5 inches(55.9 – 597 cm)20.5 – 23 inches(52.1 – 58.4 cm)
6 months22.5 – 24 inches(57.2 – 61 cm)21 – 23.5 inches(53.3 – 59.7 cm)
7 months22.5 – 24 inches(57.2 – 61 cm)21 – 23.5 inches(53.3 – 59.7 cm)
8 months23 – 24.5 inches(58.4 – 62.3)21.5 – 24 inches(54.6 – 61 cm)
9 months23.5 – 25 inches(59.7 – 63.5 cm)22 – 24.5 inches(55.9 – 62.2 cm)
10 months24 – 25.5 inches(61 – 64.8 cm)22.5 – 25 inches(57.2 – 63.5 cm)
11 months24.5 – 26 inches(62.2 – 66 cm)23 – 25.5 inches(58.4 – 64.8 cm)
12 months25 – 26.6 inches(63.5 – 67.6 cm)23 – 26 inches(58.4 – 66 cm)
13 months25.5 – 27 inches(64.8 – 68.6 cm)23.5 – 26.5 inches(59.7 – 67.3 cm)
14 months25.5 – 27 inches(64.8 – 68.6 cm)23.5 – 26.5 inches(59.7 – 67.3 cm)
18 months26 – 29 inches(66 – 73.7 cm)24 – 27 inches(61 – 68.6 cm)
Fully grown(24 months)27 – 30 inches(68.6 – 76.2 cm)25 – 27.5 inches(63.5 – 69.9 cm)

Weight

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AgeMale WeightFemale Weight
1 month10 – 15 pounds(4.5 – 6.8 kg)8 – 13 pounds(3.6 – 5.9 kg)
2 months24 – 30 pounds(10.88 – 13.6 kg)20 – 30 pounds(9 – 13.6 kg)
3 months30 – 47 pounds(13.6 – 21.3 kg)35 – 47 pounds(15.9 – 21.3 kg)
4 months35 – 60 pounds(15.9 – 27.2 kg)52 – 65 pounds(23.6 – 29.5 kg)
5 months50 – 82 pounds(22.7 – 37.2 kg)60 – 82 pounds(27.2 – 37.2 kg)
6 months70 – 110 pounds(31.8 – 49.9 kg)70 – 90 pounds(31.8 – 40.8 kg)
7 months85 – 132 pounds(38.6 – 59.9 kg)80 – 105 pounds(36.3 – 47.6 kg)
8 months100 – 152 pounds(45.4 – 68.9 kg)90 – 115 pounds(40.8 – 52.2 kg)
9 months108 – 165 pounds(49 – 74.8 kg)95 – 125 pounds(43.1 – 56.7 kg)
10 months115 – 178 pounds(52.2 – 80.7 kg)100 – 130 pounds(45.4 – 59 kg)
11 months120 – 185 pounds(54.4 – 84 kg)105 – 140 pounds(47.6 – 63.5 kg)
12 months125 – 190 pounds(56.7 – 86.2 kg)110 – 150 pounds(50 – 68 kg)
13 months130 – 198 pounds(59 – 90 kg113 – 155 pounds(51.3 – 70.3 kg)
14 months132 – 199 pounds(59.9 – 90.3 kg)115 – 157 pounds(52.2 – 71.2 kg)
18 months145 – 210 pounds(65.8 – 95.3 kg)119 – 160 pounds(54 – 72.6 kg)
Fully grown(24 months)160 – 230 pounds(72.6 – 104.3 kg)120 – 170 pounds(54.4 – 77.1 kg)

English Mastiff Full Size

One important factor to consider before getting a dog (especially a large one) is how big they can potentially grow. This is critical because you may need to consider whether you can handle it, whether it is safe for your toddlers, and whether you have enough space for it.

See also Rottweiler Size Explained: How Big Are They Compared To Others?

The English Mastiff is considered to become fully grown at the age of 2 years, which is 24 months from birth.

At this age, the height of the male English Mastiff ranges from 27 – 30 inches (68.6 – 76.2 cm), and for the female, it is 25 – 27.5 inches (63.5 – 69.9 cm).

In terms of their weight, the fully grown male English Mastiff weighs about 160 – 230 pounds (72.6 – 104.3 kg) and the fully grown female weighs about 120 – 170 pounds (54.4 – 77.1 kg).

If You want to Check Other dogs size and comparison:

English Mastiff Litter Size

Because English Mastiffs are large dogs, it is quite normal for a pregnancy to result in only one puppy.

The average litter size of the English Mastiff is between 8 and 10, with 16 being the upper limit. It is astonishing that the largest litter of English Mastiff puppies ever born is now 24 puppies.

English Mastiff Size Comparison To Human

English Mastiff Size: How Big Are They Compared To Others? (2)

Before getting any pet it is essential to see and analyze if that’s the fit for you and your family.

Now, you might be wondering how exactly you can do that. Not to worry, you can simply analyze by looking at the size difference between you and the breed of dog you are thinking about.

By comparing the two species, you can estimate the size of the dog relative to you, and if it would be easy to handle that big dog.

The English Mastiff as you saw in the earlier section is quite a large and heavy breed of dog.

As we know, the average weight of an adult human is 60 to 80 kg (132-176 lb) and has a height of 5.5 to 5.9 feet.

However, the weight of the English Mastiff is about 120 to 230 pounds (54.4 to 104.3 kgs), and has a height of 2 to 2.5 feet.

While the English Mastiff is smaller in terms of height it surely is quite heavy and thus very strong.

English Mastiff Size Vs German Shepherd Vs Bullmastiff Size Comparison

English Mastiff Size: How Big Are They Compared To Others? (3)

When it comes to appearance, the English Mastiff and the German Shepherd are worlds apart. When comparing the two, few people would confuse them.

The Mastiff is the heaviest of all dog breeds. The German Shepherd weighs between 50 and 90 pounds. This means that the English Mastiff can weigh up to twice as much as the German Shepherd.

The Bullmastiff breed standard, on the other hand, has a weight range of 110 to 130 pounds for males and 100 to 120 pounds for females. Overall the English Mastiff is very large and heavier than the German Shepherd or the Bullmastiff.

SizeEnglish MastiffGerman ShepherdBullmastiff
WeightMale: 200 pounds (90 kilograms), Female: 150 pounds (68 kilograms)Male: 60-80 pounds (27-36 kg), Female: 55-70 pounds (25-32 kg)Male: 110 to 130 pounds (50 to 59 kilograms), Female: 100 to 120 pounds (45 and 54 kilograms)
HeightMale: 30 inches (2 ft. 6 in), Female: 27 inches (2 ft. 2 in)Male: 22-24 inches (56-61cm), Female: 20-22 inches (51-56 cm)Male: 25 to 27 inches, Female: 24 to 26 inches

English Mastiff Size Vs Cane Corso Vs Great Dane Size Comparison

English Mastiff Size: How Big Are They Compared To Others? (4)

Moving on to other comparison pairs. In terms of size, the English Mastiff is yet again heavier than the Great Dane or the Cane Corso. Also, the Great Dane, while it is smaller than the English Mastiff, is heavier than the Cane Corso.

In terms of their height, the Great Dane is larger than the English Mastiff or the Cane Corso. Also, the English Mastiff and the Great Dane have quite similar in size, that is there is not much difference in the lowest height of the Great Dane and the height of the English Mastiff.

SizeCane CorsoGreat DaneEnglish Mastiff
WeightMale: 99-110 pounds (45-50 kg), Female: 88-99 pounds (40-45 kg)Male: 120-200 pounds (54-90 kg), Female: 100-130 pounds (45-59 kg)Male: 150-250 pounds (68-113 kg), Female: 120-180 pounds (54-82 kg)
HeightMale: 24-27 inches (64-68 cm), Female: 23-25 inches (60-64 cm)Male: 30-34 inches (76-86 cm), Female: 28-32 inches (71-81 cm)Male: 30 inches (76 cm), Female: 27.5 inches (70 cm)

English Mastiff Vs Rottweiler Vs Saint Bernard Size Comparison

English Mastiff Size: How Big Are They Compared To Others? (5)

Here, we are comparing 2 more breeds of dogs with the English Mastiff, the Rottweiler, and Saint Bernard.

In terms of their weight, the English Mastiff and Saint Bernard have almost a similar maximum weight of 200 pounds. However, the Rottweiler is quite lighter than the other two.

In terms of the overall standing height, the English Mastiff is larger in length than the Rottweiler or Saint Bernard.

However, the Rottweiler and Saint Bernard are quite similar in height, that is both species have a range of height between about 25 to 17 inches.

SizeEnglish MastiffRottweilerSaint Bernard
WeightMale: 200 pounds (90 kilograms), Female: 150 pounds (68 kilograms)Male: 95-130 pounds (43-59 kg), Female: 85-115 pounds (38-52 kg)110-200 pounds (50-91 kg)
HeightMale: 30 inches tall (2 ft. 6 in), Female: 27 inches tall (2 ft. 2 in)Male: 24-27 inches (61-69 cm), Female: 22-25 inches (56-63 cm)25.5-27.5 inches (61-70 cm)

Conclusion

And that was everything you need to know about the size of an English Mastiff. I hope this article was helpful enough and you got something useful from it.

Thank You For Reading!

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English Mastiff Size: How Big Are They Compared To Others? (2024)

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