Dog Age Report

medium dog · 5 years

Calculator:
Planimora Dog Age Calculator
Generated:
May 9, 2026
Source:
planimora.com

Parameters

Dog age
5 years
Size
Medium (10–25 kg)
Life stage
Mature adult
Life expectancy
11–13 years

Three formulas

Breed-size-tiered (AAHA + AVMA)
39
Wang/UCSD epigenetic (2019)
57
Legacy ×7 rule
35

AAHA 2019 life stages

  • Puppy
  • Young adult
  • Mature adult
  • Senior
  • End-of-life

Year-by-year breakdown

Dog ageHuman equivWang×7Life stageNotes
115317young adult
2244214young adult
3294921mature adultMature adult starts
4345328mature adult
5395735mature adult
6446042mature adult
7496249seniorSenior starts
8546456senior
9596663end-of-lifeEnd-of-life starts
10646870end-of-life
11696977end-of-life
12747184end-of-life
13797291end-of-life
14847398end-of-life
158974105end-of-life
169475112end-of-life
179976119end-of-life
1810477126end-of-life
1910978133end-of-life
2011479140end-of-life
2111980147end-of-life
2212480154end-of-life
2312981161end-of-life
2413482168end-of-life
2513983175end-of-life

Sources

  • AAHA 2019 Canine Life Stage Guidelines
  • Wang et al., Cell Systems 2020 (epigenetic dog-to-human aging)
  • dogAge.sources.avma
  • RVC VetCompass UK life tables (Scientific Reports 2022)

EDUCATIONAL ESTIMATE

These estimates are based on peer-reviewed veterinary methodology — AAHA 2019 guidelines and the Wang/UCSD 2019 epigenetic study. They are not medical advice. For care decisions specific to your dog, talk to your veterinarian.