YearsToHuman

What it does

Convert animal ages into human years using scientifically based biological aging formulas. Accurate lifespan converters for dogs, cats, horses, and many other animals.

Convert animal lifespans into human years using industry-standard biological aging formulas. Accurate calculators for horses, dogs, cats, and more.

The world's most comprehensive library of animal-to-human age calculators. Discover the biological milestones of 30+ species. It’s a common myth that every animal ages at a fixed ratio (like the "7 dog years" rule). In reality, biological aging is tied to metabolism, size, and ecological strategy . Small animals like hamsters have high-speed metabolisms, while giant tortoises or sponges live on "deep time" scales, where their cells regenerate faster than they decay. Understanding a pet's life stage is vital for providing the right nutrition and healthcare. A dog in its "senior" phase has vastly different needs than a "junior" pup. By using biological markers—skeletal maturity, dental…from yearstohuman.com

• 
  Dog Years CalculatorDec 2025 · dogageconverter.netlify.app

  Convert human to dog years | free & accurate

• 
  Cat Age Calculator2025 · catagecheck.com · ▲10

  Seamlessly convert from cat's real age to human years

• 
  Pet Age CalculatorMar 2026 · petage.top

  Convert your pet’s age into human years instantly

• 
  Dog Age CalculatorJan 2026 · dogagecalculator.info · ▲1

  Dog Age Calculator – How Old Is My Dog in Human Years?

• 
  See when you and your dog will be the same age2025 · doggo.tshows.us · ▲5

  It occurred to me a while ago that if 1 human year is the same as 7 dog years, we could calculate the date you and your dog will be the same age. So, the doggo calculator was born! https://doggo.tshows.us/

• 
  Chrono Pets2024 · ▲9

  AI to transform your pet into different historical periods

• 
  SimCity, but with Permits▲930

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 2d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 15d ago · tanzaniaeducationproject.org

• 
  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 15d ago · bigwords.page

• 
  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 9d ago · guitoro.com

• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 13d ago · carrierexplode.com

• 
  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 23d ago · space.bl2.net

• 
  Lightfield▲901

  AI-native CRM that builds itself and does work for you

  AI · Mar 2026 · lightfield.app

• 
  Tobira.ai▲728

  A network where AI agents find deals for their humans

  AI · Mar 2026 · tobira.ai

• 
  Claude Import Memory▲716

  Switch from ChatGPT to Claude with import memory feature

  AI · Mar 2026 · claude.com

• 
  Littlebird▲709

  Littlebird remembers everything across your meetings, messages, docs, and apps, then takes action so you can recall any detail and never lose context.

  AI · Mar 2026 · littlebird.ai

• 
  Viktor.com▲702

  Your AI Coworker that proactively executes tasks

  AI · Mar 2026 · viktor.com

• 
  Jupid▲659

  File your taxes with Claude Code

  Commerce · Mar 2026 · jupid.com