Dog Life Expectancy

Dog life expectancy varies significantly by size and breed. Smaller dogs generally live longer than larger dogs — a pattern opposite to most other mammals

The calculator uses the standard published formula for dog life expectancy. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with kilograms. You can enter values in the units shown — the calculator handles all conversions internally.

The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.