This is how old your geriatric cat is in human years!

• 15 cat years = 76 human years
• 16 cat years = 80 human years
• 17 cat years = 84 human years
• 18 cat years = 88 human years
• 19 cat years = 92 human years
• 20 cat years = 96 human years
• 21 cat years = 100 human years