Equine Bodyweight Calculator
Instantly estimate your horse’s bodyweight using heart girth and body length measurements. Accurate, free tool for proper feeding, deworming, and health management.
Estimate Your Horse’s Weight
Enter your horse’s heart girth and body length below to get an instant, scientifically grounded weight estimate, adjusted for breed type.
Weight Estimator
Enter measurements to see the estimated bodyweight
Measure around the barrel, just behind the withers and elbows.
Measure from the point of the shoulder to the point of the buttock.
Estimated Weight
Based on the Carroll & Huntington formula
Average Equine Measurements Chart
Typical baseline measurements for common horse types. Use this as a guide if you are unsure about your horse’s approximate dimensions.
| Horse Type | Avg. Heart Girth | Avg. Body Length | Est. Weight (kg) |
|---|---|---|---|
| Small Pony (e.g., Shetland) | 110 cm | 90 cm | ~ 100 kg |
| Large Pony (e.g., Connemara) | 150 cm | 120 cm | ~ 280 kg |
| Light Horse (e.g., Thoroughbred) | 180 cm | 150 cm | ~ 520 kg |
| Warmblood / Cob | 195 cm | 160 cm | ~ 620 kg |
| Draft Horse (e.g., Shire) | 230 cm | 190 cm | ~ 950 kg |
Equine Weight Estimation FAQ
Everything you need to know about measuring your horse and calculating their bodyweight accurately.
Wrap a soft, flexible measuring tape around the horse’s barrel, just behind the withers and the elbows. Ensure the tape is snug but not tight, and lies flat against the coat. Take the measurement just after the horse exhales for the most consistent result.
Measure in a straight line from the point of the shoulder (the front of the chest) to the point of the buttock (the rear edge of the hindquarters). Ensure the horse is standing square on level ground for the most accurate reading.
When measurements are taken correctly, formula-based calculators and weight tapes are generally accurate within 5% to 10% of a horse’s actual weight. While not a replacement for a certified weigh bridge, they are highly reliable for tracking weight trends over time, calculating feed rations, and determining standard dewormer dosages.
Knowing your horse’s weight is crucial for calculating accurate daily feed rations, determining the correct dosage for medications and dewormers, monitoring health and body condition over time, and ensuring safe loading limits for horse trailers.