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Homeβ€ΊDog breedsβ€ΊTeddy Roosevelt Terrierβ€ΊGrowth chart
Adult data importedAge ranges are modeled

Teddy Roosevelt Terrier
Growth Chart

Follow typical puppy weight from eight weeks to adulthood, compare male and female ranges, and estimate adult size.

Reviewed 2026-07-20Method tdm-size-curve-v1
Teddy Roosevelt Terrier dog
medium breedAdult size around 15 months
Veterinary note: Growth charts are educational estimates. Contact a veterinarian about sudden weight loss, stalled growth, pain or abnormal body condition.
SummaryGrowth chartWeight by ageCalculatorStagesCareFAQsSources
At a glance

Quick growth summary

01Adult male weight4.0–11 kg
02Adult female weight4.0–11 kg
03Male height20–38 cm
04Female height20–38 cm
05Expected maturity15 months
06Sizemedium
07LifespanPending
08Data statusModeled estimate
Interactive chart

Weight growth over time

Compare modeled male and female curves and place your puppy’s measurement on the chart.

● Male modeled midpoint● Female modeled midpoint● Your puppy
0 kg2 kg5 kg7 kg10 kg12 kg0m4m8m12m16m20m24m
6-month comparison: 5.5 kg is within the broad modeled Teddy Roosevelt Terrier range of 2.9–8.0 kg. This does not assess health.
Modeled reference

Teddy Roosevelt Terrier weight by age

Age ranges are scaled from imported adult endpoints.

AgeMale minimumMale maximumFemale minimumFemale maximumAdult size
2 months0.9 kg2.5 kg0.9 kg2.5 kg23%
3 months1.5 kg4.1 kg1.5 kg4.1 kg37%
4 months2.0 kg5.6 kg2.0 kg5.6 kg51%
5 months2.5 kg6.9 kg2.5 kg6.9 kg63%
6 months2.9 kg8.0 kg2.9 kg8.0 kg73%
8 months3.4 kg9.3 kg3.4 kg9.3 kg85%
10 months3.7 kg10.1 kg3.7 kg10.1 kg92%
12 months3.8 kg10.6 kg3.8 kg10.6 kg96%
18 months4.0 kg10.9 kg4.0 kg10.9 kg100%
24 months4.0 kg11.0 kg4.0 kg11.0 kg100%

Modeled estimatesβ€”not observed measurements or official growth requirements.

Sex differences

Male and female growth

Male

Imported adult range

4.0–11 kg20–38 cm
  • Fastest gain occurs in puppyhood.
  • Height stabilizes before muscle.
  • Monitor trends, not one reading.
Female

Imported adult range

4.0–11 kg20–38 cm
  • Adult ranges can overlap.
  • Genetics affect final size.
  • Pair weight with body condition.
Interactive estimate

Teddy Roosevelt Terrier adult-size estimate

Enter current age and weight. The calculator uses the same size-based curve as the chart.

Estimated adult weight6.8 kg
Broad estimate: 6.2–7.5 kg
73%modeled growth

Educational estimate onlyβ€”not a veterinary assessment.

Development timeline

Puppy growth stages

Stage 1Socialization2–3 months
Growth

Rapid learning and coordination.

Feeding & exercise

Measured meals and gentle play.

Health

Record growth and discuss unusual changes with a veterinarian.

Stage 2Juvenile3–6 months
Growth

Height and limbs develop quickly.

Feeding & exercise

Gradual training; avoid forced impact.

Health

Record growth and discuss unusual changes with a veterinarian.

Stage 3Adolescent6–12 months
Growth

Growth slows as strength increases.

Feeding & exercise

Consistent portions and vet checks.

Health

Record growth and discuss unusual changes with a veterinarian.

Stage 4Young adult12–15 months
Growth

Frame and muscle mature.

Feeding & exercise

Transition care with veterinary guidance.

Health

Record growth and discuss unusual changes with a veterinarian.

Stage 5Mature15+ months
Growth

Adult structure stabilizes.

Feeding & exercise

Adjust calories to activity.

Health

Record growth and discuss unusual changes with a veterinarian.

Healthy development

Factors affecting growth

01Genetics

Parents and breed lines influence size.

02Nutrition

Balanced food supports controlled growth.

03Sex

Adult ranges may differ.

04Activity

Age-appropriate movement builds coordination.

05Health

Illness and parasites can disrupt growth.

Steady growth

Healthy signs

  • Gradual weight gain
  • Visible waist
  • Ribs easy to feel
  • Comfortable movement
  • Normal appetite
  • Consistent energy
Veterinary review

Warning signs

  • Sudden loss or gain
  • Stalled growth
  • Limping or pain
  • Digestive problems
  • Marked lethargy
  • Abnormal condition
Internal comparisons

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Teddy Roosevelt Terrier vs Affenpinscher

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Teddy Roosevelt Terrier vs Africanis

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Open comparison β†’

Teddy Roosevelt Terrier vs Aidi

Compare size, temperament, care and household suitability.

Open comparison β†’
Common questions

Teddy Roosevelt Terrier growth FAQs

How much should a Teddy Roosevelt Terrier puppy weigh?

Use the table as a broad modeled range. Age, sex, genetics, nutrition and body condition all matter.

When is a Teddy Roosevelt Terrier fully grown?

Teddy Roosevelt Terrier dogs commonly approach adult size around 15 months, though muscle can continue developing.

Are male and female Teddy Roosevelt Terrier dogs different in size?

Imported adult ranges are 4.0–11 kg for males and 4.0–11 kg for females.

Is the calculator exact?

No. It is an educational size-curve estimate, not a diagnosis or guarantee.

Transparency

Sources and methodology

Adult endpointsImported breed record

Adult weight, height and lifespan use structured database values.

Age estimatestdm-size-curve-v1

A size curve scales adult endpoints; values are not observed.

ConfidenceLOW

Individual puppies may grow differently.

Last reviewed2026-07-20

Recheck when source data or methods change.

The Dogs Mag reviewed growth-model methodology β†—Breed profileAll breeds

Veterinary disclaimer: General education only; this cannot diagnose disease or replace a veterinarian.