Track your Yorkie’s weight through every growth phase. Choose units, age, and body score quickly. Download clear reports for vets, teams, and owners today.
| Age (months) | Growth curve (% of adult) | Example current weight | Estimated adult weight | Notes |
|---|---|---|---|---|
| 4 | 50% | 1.60 kg | 3.20 kg | Mid-growth phase; monitor weekly changes. |
| 6 | 70% | 2.20 kg | 3.14 kg | Growth slows; check trend every 2 weeks. |
| 9 | 93% | 2.90 kg | 3.12 kg | Near adult; focus on stable maintenance. |
| 12 | 100% | 3.00 kg | 3.00 kg | Adult baseline for future comparisons. |
The calculator estimates adult weight using a growth curve: Adult Weight ≈ Current Weight ÷ (Age % of Adult). For example, at 6 months the curve uses about 70%.
These are general-purpose estimates for tracking and documentation, not a diagnosis.
1) Can this be used for weekly tracking?
Yes. Log the same unit and scale type each time. Compare the trend rather than one reading, especially during months 2–9 when growth is fastest.
2) Why does the adult estimate change when age changes?
The method divides by an age-based growth percentage. As the percentage rises with age, the estimate stabilizes and becomes close to the measured weight near 12 months.
3) What is the body condition score used for?
BCS helps interpret whether weight likely reflects healthy condition. This tool uses a simple rule-of-thumb to estimate a “BCS 5” target for recordkeeping.
4) Does activity level matter in the calculations?
A small adjustment is applied to the adult estimate for low or high activity. It is intentionally minor and intended only to slightly nudge estimates during planning.
5) What if my Yorkie is older than 12 months?
For 12 months and above, the calculator treats the current weight as adult weight. Use the BCS section and exports to track long-term maintenance over time.
6) Can this replace veterinary guidance?
No. It supports documentation and quick comparisons. If you notice rapid changes, appetite shifts, or lethargy, consult a veterinarian for proper assessment.
7) Why is this placed under a construction category?
Some teams keep small companions on site offices or travel crews. This calculator focuses on structured tracking and exportable records that fit project documentation habits.
This calculator applies an age curve commonly used for toy-breed tracking. Typical checkpoints are about 25% at 2 months, 50% at 4 months, 70% at 6 months, and 93% at 9 months. Near 12 months, the curve reaches 100%, so the measured weight becomes the adult baseline for long-term monitoring.
Adult weight is estimated by dividing current weight by the age percentage. For context, many references describe adult Yorkies around 1.8–3.17 kg (about 4–7 lb), with a common standard maximum near 3.2 kg. Use the range as a comparison point, not as a pass/fail rule, because build, coat, and conditioning can shift what looks “normal” in practice.
Internally, the calculator converts everything to kilograms, then converts back to your selected unit for display. This reduces rounding drift when switching between lb and kg during repeated entries. For best repeatability, use the same scale, measure before meals, and record notes about travel days and activity changes.
A 9-point body condition score supports consistent interpretation across handlers. For documentation, each point above 5 is treated as roughly 10% excess mass, and each point below 5 as roughly 10% deficit. The tool uses this rule-of-thumb to estimate a BCS-5 target so you can quantify change needed in percentage terms.
Example input set: Age 6.0 months, Unit kg, Weight 2.20, BCS 6, Activity normal, Neutered no. The curve uses about 70%, so estimated adult weight is approximately 3.14 kg. With BCS 6, the target for BCS 5 is about 2.00 kg, meaning roughly 10% above target for recordkeeping and follow-up. Export CSV/PDF weekly, and consult a veterinarian if rapid change appears with poor appetite or lethargy.
References: Yorkshire Terrier standards often cite a maximum near 7 lb (about 3.2 kg).
Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.