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Estimates only. Not veterinary advice.
Updated weekly
Scottish Terriers grow into sturdy, low-set small dogs with a compact body and wiry coat. This guide connects the weight chart with hands-on rib and waist checks, treat portions, grooming observations, and the way a small frame can gain weight before it looks obvious.
A healthy Scottish Terrier should feel sturdy with ribs findable and a waist present by touch.
Overview
Adult range
8-10 kg
17.6-22 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 Scottish Terrier weight is the number on the scale plus height, bone, ribs, waist, coat, tail-base feel, stair comfort, appetite, stool, and veterinary context.
Adult range
The official standard lists Scottie males at 19-22 lb and females at 18-21 lb, with height about 10 inches. A healthy adult should feel sturdy and muscular, but ribs should still be findable under the coat.
Growth timing
Scotties are small dogs, so most height and weight arrives during the first year. Chest, thigh muscle, coat, and mature compact condition can keep settling through about 12-18 months.
Body check
The breed is heavy-boned and thick-bodied, but balance matters. The coat and skirt can hide a lost waist, so feel ribs, tail base, loin, belly, and thighs by hand.
Small-dog detail
A Scottie has a small daily calorie budget. Training treats, dental chews, table bites, and quiet weeks can soften the waist before the scale looks dramatic.
Weight by age
Scottish Terrier puppies grow into compact, short-legged, heavy-boned dogs with a hard wiry coat and a sturdy body. The healthiest trend is steady small-breed growth toward the official adult range without losing rib feel, waist, tail-base definition, appetite, stool quality, or comfortable movement.
Use this chart as owner planning context, not a diagnosis. Sex, height, family line, bone, coat length, grooming, treats, activity, stairs, stool, appetite, jaw comfort, patellas, bleeding history, thyroid or eye context, and your veterinarian decide the healthy target for an individual Scottie.
| Age | Male / Larger Frame | Female / Smaller Frame |
|---|---|---|
| 8 weeks | 5-7 lb (2.3-3.2 kg) | 4.5-6.5 lb (2-2.9 kg) |
| 3 months | 8-10.5 lb (3.6-4.8 kg) | 7.5-9.5 lb (3.4-4.3 kg) |
| 4 months | 11-13.5 lb (5-6.1 kg) | 10-12.5 lb (4.5-5.7 kg) |
| 5 months | 13.5-16 lb (6.1-7.3 kg) | 12.5-15 lb (5.7-6.8 kg) |
| 6 months | 15-18 lb (6.8-8.2 kg) | 14-17 lb (6.4-7.7 kg) |
| 7 months | 16.5-19.5 lb (7.5-8.8 kg) | 15.5-18 lb (7-8.2 kg) |
| 8 months | 18-21 lb (8.2-9.5 kg) | 16.5-19.5 lb (7.5-8.8 kg) |
| 9 months | 18.5-21.5 lb (8.4-9.8 kg) | 17-20 lb (7.7-9.1 kg) |
| 10 months | 19-22 lb (8.6-10 kg) | 18-21 lb (8.2-9.5 kg) |
| 12 months | 19-22 lb (8.6-10 kg) | 18-21 lb (8.2-9.5 kg) |
| 15 months | 19-22 lb (8.6-10 kg) | 18-21 lb (8.2-9.5 kg) |
| 18 months | 19-22 lb (8.6-10 kg) | 18-21 lb (8.2-9.5 kg) |
Maturity
Scotties mature faster than large dogs, but their compact frame can keep changing after the scale slows. Chest, thigh muscle, coat, confidence, and mature condition can settle after height is mostly finished.
Record weight, food amount, stool, appetite, breeder notes, play, sleep, handling, grooming, and treat use. Begin gentle rib and waist checks under the coat.
A Scottie can gain quickly while still looking puppy-round. Keep portions measured, rewards tiny, and watch stool, appetite, jaw comfort, and any limping or stiff movement.
Many Scotties are close to adult size by this stage. Recheck food if the waist disappears under the skirt or stairs become less easy.
The final look should be sturdy, balanced, heavy-boned, and muscular. Filling out should mean mature muscle and coat, not tail-base padding or a lost waist.
Key takeaway
A Scottish Terrier is supposed to be powerful in a small body, but the ribs, waist, tail base, movement, and stairs should still say the dog is fit.
Growth check
A good Scottie trend is steady, sturdy, and mobile. The breed's coat, skirt, short legs, and heavy bone make hands-on checks more useful than sight alone.
Owner check
For a Scottie, the useful check is weight plus ribs, waist, tail base, coat/skirt feel, thigh muscle, stool, appetite, jaw comfort, patella comfort, stairs, and energy.
Breed snapshot
Temperament profile
Scottish Terrier dogs are usually terrier and sturdy, and their compact frame makes measured meals and repeat check-ins especially useful.
Daily rhythm
Use consistent terrier-friendly training and small measured rewards.
Weight-tracking note
Small gains can affect movement
Use this page with
Calculator
Open the homepage calculator with Scottish 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 Scottish 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 Scottish 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 Scottish Terrier's estimate grounded.
Open basicsGrowth
Growth graph
Scottish Terriers are compact, heavy-boned small dogs, so this chart is anchored to the official male range of 19-22 lb and female range of 18-21 lb, then interpreted through height, ribs, waist, tail base, coat skirt, undercoat, thigh muscle, stair comfort, stool, appetite, and veterinary context.
Chart span
2-18 months
Breed-specific monthly view
Male at 18 months
10 kg
22 lb
Female at 18 months
9.5 kg
20.9 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 Scottish Terrier puppies from 2-18 months. Use the line as a planning reference. A healthy Scottish Terrier trend still depends on sex, height, family line, bone, coat length, grooming style, treat calories, activity, stool, appetite, jaw comfort, patella comfort, bleeding history, body condition, and veterinary guidance.
Calculator bridge
Open the homepage calculator with Scottish 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 Scottish Terrier every 2 to 4 weeks during growth, and sooner after food, treat, activity, or mobility 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 small measured meals and keep training rewards tiny.
Offer daily walks, play, and safe terrier outlets without overloading joints.
Use grooming to feel ribs, waist, skin, and muscle under the wiry coat.
Keep sessions short, clear, and positive with rewards counted.
Warning signs
Weight problems in a Scottie can hide under coat, skirt, heavy bone, and compact shape. Watch the whole dog: ribs, waist, tail base, stairs, appetite, stool, jaw, gums, movement, and energy.
Weight problems in a Scottie can hide under coat, skirt, heavy bone, and compact shape. Watch the whole dog: ribs, waist, tail base, stairs, appetite, stool, jaw, gums, movement, and energy.
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 Scottish Terriers rather than a generic small-dog chart.
Estimates only. Not veterinary advice.