Dog Heat Cycle Calculator
Estimate your dog's next heat cycle date based on the last heat start date.
Calculate Next Dog Heat Cycle
Dog Heat Cycle Guide
Many female dogs go into heat about every six months, but this can vary depending on breed, size, age, and individual health.
A heat cycle may include changes in behavior, swelling, discharge, and increased interest from male dogs. Timing can vary, so this calculator should be used as a general guide only.
Dog Heat Cycle FAQ
How often do dogs go into heat?
Many dogs go into heat about every six months, but smaller breeds may cycle more often and larger breeds may cycle less often.
Is a dog heat cycle calculator exact?
No. It gives a general estimate. Individual cycles can vary, and a veterinarian can provide more accurate guidance.