Adult range
Most adults are 9-15 lb
AKC lists Russell Terriers at 10-12 inches and 9-15 lb. A healthy adult should look compact, lithe, and athletic, with findable ribs, a waist, moderate tuck-up, and smooth muscle rather than round padding.
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Estimates only. Not veterinary advice.
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Russell Terriers grow into small, athletic dogs with a lot of energy in a compact body. This guide connects the weight chart with tiny portion control, rib and waist checks, activity changes, and the way extra treats can affect a small frame quickly.
A healthy Russell Terrier should feel compact, athletic, and clearly waisted.

Overview
Adult range
4-7 kg
8.8-15.4 lb
Size class
Small breed
Matched size chart
Growth pace
Faster
Typical for this breed size
Check-in cadence
Weekly to monthly
Suggested rhythm
<16 w weekly | 16-32 w biweekly | 32 w+ monthly
Quick answers
Use these answers when you need the practical version first. The right Russell Terrier weight is the scale number plus height, rectangular proportion, ribs, waist, tuck-up, muscle, chest size, activity, treats, stool, appetite, eyes, hearing, and patella comfort.
Adult range
AKC lists Russell Terriers at 10-12 inches and 9-15 lb. A healthy adult should look compact, lithe, and athletic, with findable ribs, a waist, moderate tuck-up, and smooth muscle rather than round padding.
Growth timing
Russell Terriers are small dogs, so most height and weight arrives during the first year. Muscle, confidence, coat, sport condition, and mature terrier fitness can keep settling through about 12-18 months.
Build check
The standard describes a strong, active, lithe working terrier with a rectangular body and a moderate tuck-up. Lean is fine; sharp ribs, poor appetite, loose stool, low energy, or limping is not.
Small-dog detail
A few extra rewards, chews, or table bites can matter at Russell size. Sports, digging games, agility, scent work, rest weeks, and injury recovery can also change calorie needs quickly.
Weight by age
Russell Terrier puppies grow into small, active, flexible working terriers with a rectangular outline and a compact athletic body. The healthiest trend is steady small-breed growth toward the official 9-15 lb adult range without losing rib feel, waist, moderate tuck-up, appetite, stool quality, or comfortable jumping and movement.
Use this chart as owner planning context, not a diagnosis. Height, frame, family line, food rewards, sports, training, coat type, stool, appetite, patellas, hearing, eyes, PLL context, and your veterinarian decide the healthy target for an individual Russell.
| Age | Larger Frame | Smaller Frame |
|---|---|---|
| 8 weeks | 3-5 lb (1.4-2.3 kg) | 2.5-4 lb (1.1-1.8 kg) |
| 3 months | 5-7 lb (2.3-3.2 kg) | 4-6 lb (1.8-2.7 kg) |
| 4 months | 7-9 lb (3.2-4.1 kg) | 5.5-7.5 lb (2.5-3.4 kg) |
| 5 months | 8.5-11 lb (3.9-5 kg) | 6.5-9 lb (2.9-4.1 kg) |
| 6 months | 10-12.5 lb (4.5-5.7 kg) | 7.5-10.5 lb (3.4-4.8 kg) |
| 7 months | 11-13.5 lb (5-6.1 kg) | 8.5-11 lb (3.9-5 kg) |
| 8 months | 12-14.5 lb (5.4-6.6 kg) | 9-12 lb (4.1-5.4 kg) |
| 9 months | 12.5-15 lb (5.7-6.8 kg) | 9.5-13 lb (4.3-5.9 kg) |
| 10 months | 13-15 lb (5.9-6.8 kg) | 10-14 lb (4.5-6.4 kg) |
| 12 months | 13-15 lb (5.9-6.8 kg) | 9-13 lb (4.1-5.9 kg) |
| 15 months | 13-15 lb (5.9-6.8 kg) | 9-13 lb (4.1-5.9 kg) |
| 18 months | 13-15 lb (5.9-6.8 kg) | 9-13 lb (4.1-5.9 kg) |
Maturity
Russell Terriers mature faster than large breeds, but athletic condition can keep changing after the scale slows. A young dog can be near adult size while still building muscle, coordination, sport fitness, and impulse control.
Record weight, food amount, stool, appetite, breeder notes, play, sleep, coat type, reward use, and vet visits. Begin gentle rib, waist, and tuck-up checks early.
A Russell can grow quickly while activity and training rewards also increase. Keep rewards tiny, avoid overfeeding for energy, and watch stool, appetite, jumping, and limping.
Many dogs are close to adult size by this stage. Recheck portions when height growth slows, sports start, training treats continue, or the waist softens.
The final look should be lithe, balanced, active, and muscular. Filling out should mean smooth muscle and confidence, not losing the tuck-up or adding tail-base padding.
Key takeaway
A healthy Russell Terrier can sit anywhere in the 9-15 lb range. Fit condition, movement, appetite, stool, and veterinary checks matter more than making a small dog heavier.
Growth check
A good Russell Terrier trend is steady, bright, active, and comfortable. Because the breed is energetic and small, use the scale with body checks and a treat log.
Owner check
For a Russell Terrier, the useful check is weight plus ribs, waist, tuck-up, muscle, stool, appetite, reward calories, sports, jumping, patella comfort, eyes, and hearing.
Breed snapshot

Temperament profile
Russell Terrier dogs are usually energetic and terrier, and their compact frame makes measured meals and repeat check-ins especially useful.
Daily rhythm
Use short upbeat training, tiny rewards, and daily outlets for terrier energy.
Weight-tracking note
Small dogs can gain noticeably from small extras
Use this page with
Calculator
Open the homepage calculator with Russell Terrier selected and compare the live result with this guide.
Open calculatorSize chart
Use the Small size chart to compare the broader checkpoint range behind this breed guide.
Open size chartGuide
Review the core framework for trend tracking, body condition, and using ranges responsibly.
Open guideRelated guides
Age guide
Compare Russell Terrier checkpoints with month-by-month puppy growth context before reading the breed graph.
Open age guideCondition
Use rib, waist, and tuck checks to decide whether Russell Terrier's number looks healthy in real life.
Open condition guideMaturity
Compare Small growth timing with the point when height, muscle, and fill-out usually slow.
Open timing guideHealthy range
Use trend tracking and routine notes to keep Russell Terrier's estimate grounded.
Open basicsGrowth
Growth graph
Russell Terriers are small, rectangular working terriers, so this chart is anchored to the official 9-15 lb adult range and interpreted through height, frame, ribs, waist, moderate tuck-up, smooth muscle, chest size, coat type, sport or training workload, stool, appetite, jumping, and recovery.
Chart span
2-18 months
Breed-specific monthly view
Male at 18 months
6.8 kg
15 lb
Female at 18 months
5.3 kg
11.7 lb
Re-check cadence
1-2 weeks early
Trend beats one weigh-in
This breed-specific chart tracks the average monthly line for male and female Russell Terrier puppies from 2-18 months. Use the line as a planning reference. A healthy Russell Terrier trend still depends on height, frame, family line, coat type, food rewards, activity level, stool, appetite, patella comfort, hearing, eye health, PLL context, body condition, and veterinary guidance.
Calculator bridge
Open the homepage calculator with Russell Terrier selected, add the latest weigh-in, then compare the result back against this guide.
What this means
When to re-check
Re-check a Russell Terrier every 1 to 3 weeks during early growth, and sooner after food, treat, activity, or appetite changes.
Next action
Most useful after a fresh weigh-in, then compare the result back against this breed graph and the matching size chart.
Daily life

Good fit for
Things to watch
Care
Use precise small meals and tiny rewards during training.
Offer daily walks, play, digging-safe games, training, and recovery.
Use coat checks to monitor ribs, waist, skin, and muscle.
Keep sessions short, positive, and consistent with rewards counted.
Warning signs
Weight problems in a Russell Terrier can show as a softened waist, lost tuck-up, poor jumping, digestive change, eye signs, hearing change, or limping. Watch the whole dog, not only the number.
Weight problems in a Russell Terrier can show as a softened waist, lost tuck-up, poor jumping, digestive change, eye signs, hearing change, or limping. Watch the whole dog, not only the number.
Similar breeds



Next step
Use live age and weight inputs, then compare the result with this breed guide and its matching size chart.
FAQ
This page combines official breed size, the AKC standard, parent-club health context, veterinary nutrition principles, and search-intent review so the guidance is specific to Russell Terriers rather than a generic small-dog chart.
Estimates only. Not veterinary advice.