🐹 Small Mammals

Rat

Rattus norvegicus — toy size, 3 year lifespan. Note: This species requires a minimum of 2 animals.

Rat
🔍 Click to enlarge
$1,021 USD
First-year cost (one-time setup + first 12 months of recurring costs)
$915 USD

Annual (Year 2+)

$76 USD

Monthly Average

$2,394 USD

Lifetime (3 yrs)

$114 USD

Emergency Fund /yr

UK (GBP)

First year: £940 GBP
Lifetime: £2,202 GBP

Germany (EUR)

First year: €868 EUR
Lifetime: €2,035 EUR

Detailed Cost Breakdown

All amounts are in US Dollars (USD). Costs for UK (GBP) and Germany (EUR) are shown further below.

One-Time Setup Costs

$106

ItemCostFrequency
Housing / Enclosure$46One-time
Animal Purchase$30One-time
Outdoor Run$30One-time

Monthly Recurring Costs

$76/mo

ItemCostFrequency
Bedding$7/moMonthly
Hay$6/moMonthly
Fresh Food$6/moMonthly
Enrichment$6/moMonthly
Insurance$6/moMonthly
Pellets$5/moMonthly
Litter$5/moMonthly
Dust Bath$5/moMonthly

Annual Recurring Costs

$915/yr

ItemCostFrequency
Dental Vet$342/yrAnnual
Routine Vet Visits$30/yrAnnual
Vaccinations$23/yrAnnual

Pet Insurance (US, USD)

Monthly premium: $5–$25

Coverage: Accident & Illness

Deductible: 100-500

Already Have the Setup?

If you already have the enclosure, tank, or housing setup, adding a 2nd animal only costs the recurring expenses (food, healthcare, supplies) — no need to buy setup items again.

$915 USD

US (USD) /yr

£842 GBP

UK (GBP) /yr

€778 EUR

Germany (EUR) /yr

Where Does the Money Go?

Acquisition

$30

Initial Setup

$76

Food & Nutrition

$192/yr

Healthcare

$395/yr

Insurance

$68/yr

Supplies

$260/yr

At a Glance

Size Class

Toy

Weight

400 g

Lifespan

3 years

Activity

High

Temperament

Intelligent, social, affectionate

Sociality

Needs a group

Beginner?

Yes

Time Needed

Moderate

Housing Requirements

Housing Type

House with yard

Indoor/Outdoor

Indoor only

Minimum Space

Large cage

Setup Cost

Low

Complexity

Low

Rental Suitable?

Yes

Diet & Feeding

Diet Type

Omnivore

Feeding Frequency

Daily

Food Type

lab blocks + fresh food

Supplements

Yes

Health & Veterinary Care

Common Health Conditions

  • Respiratory infections (Mycoplasma)
  • Tumors
  • Mammary tumors
  • Skin issues

Breed-Specific Risks

  • Mycoplasma pulmonis
  • Mammary tumors
  • Pituitary tumors

Vaccinations

Not required

Vet Frequency

Annual

Health Risk

High

Vet Cost Level

Medium

Emergency Risk

High

Specialist Vet?

Yes

How Does It Compare?

Budget: Low Space: Low Time: Medium Maintenance: Medium Activity: High Noise: Silent Lifespan: short Social: required_group Health Risk: High Vet Cost: Medium Beginner?: Yes Family?: High Apartment?: High

Frequently Asked Questions

How much does a Rat cost per year?

Annual recurring costs from year 2 onwards are approximately $915 USD (US), with a first-year setup cost of $1,021 USD. Monthly average: $76 USD/mo.

What is the lifetime cost of a Rat?

Over a typical 3-year lifespan, expect to spend approximately $2,394 USD. This includes initial setup plus ongoing food, healthcare, supplies, and insurance. Real-world spending varies — many owners spend 20-30% less by doing grooming at home, skipping boarding, or choosing not to insure.

Is a Rat good for beginners?

Yes — Intelligent, social, affectionate. Moderate time commitment required.

What does a Rat eat?

Omnivore diet, fed Daily. lab blocks + fresh food

How big does a Rat get?

Toy size class, typical weight 400 g. Lifespan: 3 years.

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Rabbit

Guinea Pig

Syrian Hamster

Dwarf Hamster

Photo: Chuck Homler d/b/a Focus On Wildlife — CC BY-SA 4.0 via Wikimedia Commons