Adult-horse estimate only. Do not use an unverified estimate to select a medication dose.
How to use Horse Weight Calculator
- Read the method and enter quantities in the units shown on the form.
- Check the measurement basis, recorded event, genetic assumptions or the externally supplied care-plan instruction before calculating.
- Select Calculate, then read both the result and its limitations. Reset clears the result and restores the starting form.
Method and scope
Estimated adult-horse weight (kg) = heart girth (cm)² × body length (cm) ÷ 11,880.
Work through the input issue
For a related perspective, read Horse Tape Measurements: An Estimate Is Not a Scale Weight.
Related measurement
Mare Gestation Calculator - Horse Gestation can help with a related question, using its own stated assumptions.
Explore the Other animals calculators section of Biology calculators.
Browse GreenCalc for other calculator categories.