Animal Size

Black rat size: How big do they get?

How big does a Black rat get? Here is an overview over the average adult age:

A grown Black rat (Rattus rattus) reaches an average size of 19.4 cm (0′ 8″).

When born, they have an average size of 0 cm (0′ 0″). During their lifetime of about 4.17 years, they grow from 4 grams (0.01 lbs) to 142 grams (0.31 lbs). Talking about reproduction, Black rats have 5 babies about 3 times per year. The Black rat (genus: Rattus) is a member of the family Muridae.

As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.

The average adult size of a Black rat is  (0' 8

The black rat (Rattus rattus), also known as ship rat, roof rat, or house rat—is a common long-tailed rodent of the stereotypical rat genus Rattus, in the subfamily Murinae.The black rat is black to light brown in colour with a lighter underside. It is a generalist omnivore and a serious pest to farmers because it feeds on a wide range of agricultural crops. It is sometimes kept as a pet. In parts of India, it is considered sacred and respected in the Karni Mata Temple in Deshnoke.

Animals of the same family as a Black rat

We found other animals of the Muridae family:

Animals with the same size as a Black rat

Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Black rat:

Animals with the same litter size as a Black rat

Here is a list of animals that have the same number of babies per litter (5) as a Black rat:

Animals with the same life expectancy as a Black rat

Completely different animals, but becoming as old as a Black rat:

Animals with the same weight as a Black rat

As a comparison, here are some other animals that weight as much as the Rattus rattus: