#hamster-age-calculator {
max-width: 700px;
margin: 20px auto;
padding: 20px;
background: #ffffff;
border-radius: 8px;
box-shadow: 0 2px 8px rgba(0,0,0,0.15);
font-family: -apple-system, BlinkMacSystemFont, ‘Arial’, sans-serif;
color: #333333;
box-sizing: border-box;
line-height: 1.6;
}
h2 {
text-align: center;
margin: 0 0 15px;
font-size: 1.6rem;
font-weight: 600;
color: #222222;
}
p {
text-align: center;
color: #666666;
font-size: 0.9rem;
margin-bottom: 20px;
}
.form-group {
margin-bottom: 20px;
position: relative;
}
label {
display: block;
margin-bottom: 6px;
font-size: 0.9rem;
font-weight: 600;
color: #333333;
}
input[type=”number”], select, #species-input {
width: 100%;
padding: 10px;
border: 1px solid #dddddd;
border-radius: 4px;
font-size: 0.9rem;
box-sizing: border-box;
transition: border-color 0.3s, box-shadow 0.3s;
}
input:focus, select:focus, #species-input:focus {
border-color: #0073aa;
box-shadow: 0 0 5px rgba(0,115,170,0.3);
outline: none;
}
.autocomplete-list {
position: absolute;
width: 100%;
max-height: 150px;
overflow-y: auto;
background: #ffffff;
border: 1px solid #dddddd;
border-radius: 4px;
z-index: 10;
margin-top: 2px;
box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.autocomplete-item {
padding: 8px;
font-size: 0.9rem;
cursor: pointer;
transition: background 0.2s;
}
.autocomplete-item:hover {
background: #f0f0f0;
}
.tooltip {
position: relative;
display: inline-block;
margin-left: 5px;
cursor: help;
}
.tooltip .tooltip-text {
visibility: hidden;
width: 220px;
background: #333333;
color: #ffffff;
text-align: center;
border-radius: 4px;
padding: 8px;
position: absolute;
z-index: 10;
bottom: 125%;
left: 50%;
transform: translateX(-50%);
opacity: 0;
transition: opacity 0.3s;
font-size: 0.75rem;
}
.tooltip:hover .tooltip-text {
visibility: visible;
opacity: 1;
}
.button-group {
display: flex;
gap: 12px;
justify-content: center;
margin: 20px 0;
}
button {
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 0.9rem;
font-weight: 500;
transition: background 0.3s, transform 0.2s;
}
button:hover {
transform: translateY(-1px);
}
#calculate-btn {
background: #0073aa;
color: #ffffff;
}
#calculate-btn:hover {
background: #005177;
}
#reset-btn {
background: #6c757d;
color: #ffffff;
}
#reset-btn:hover {
background: #5a6268;
}
#copy-btn {
background: #28a745;
color: #ffffff;
}
#copy-btn:hover {
background: #218838;
}
#result {
margin-top: 20px;
padding: 15px;
border-radius: 4px;
font-size: 0.9rem;
line-height: 1.6;
min-height: 30px;
opacity: 0;
transition: opacity 0.5s;
}
#result.show {
opacity: 1;
}
#result.success {
background: #e6f4ea;
border: 1px solid #28a745;
}
#result.error {
background: #f8d7da;
border: 1px solid #dc3545;
}
.progress-bar-container {
margin-top: 15px;
width: 100%;
background: #f0f0f0;
border-radius: 4px;
overflow: hidden;
}
.progress-bar {
height: 20px;
transition: width 0.5s ease-in-out;
}
.progress-bar.juvenile {
background: #28a745;
}
.progress-bar.adult {
background: #0073aa;
}
.progress-bar.senior {
background: #fd7e14;
}
.notes {
margin-top: 15px;
font-size: 0.85rem;
}
.notes ul {
padding-left: 20px;
}
.learn-more {
display: block;
text-align: center;
margin-top: 15px;
font-size: 0.9rem;
color: #0073aa;
text-decoration: none;
}
.learn-more:hover {
text-decoration: underline;
}
noscript {
display: block;
color: #dc3545;
text-align: center;
margin-top: 15px;
font-size: 0.9rem;
}
@media (max-width: 600px) {
#hamster-age-calculator {
margin: 10px;
padding: 15px;
}
h2 {
font-size: 1.3rem;
}
.button-group {
flex-direction: column;
}
button {
width: 100%;
}
}
Hamster Age: ${age} ${ageUnitVal}
Equivalent Human Age: ${Math.round(humanAge / 12)} years
Life Stage: ${lifeStage}
Hamster Age Calculator
Convert your hamster’s age to human years to understand its life stage. Consult a veterinarian for personalized care advice.
Months
Years
Enter your hamster’s species and age, then click “Calculate”.
Learn More About Hamster Care
JavaScript is disabled. Please enable it to use the calculator.
(function() {
// Encapsulate to avoid WordPress conflicts
const calculator = document.getElementById(‘hamster-age-calculator’);
if (!calculator) return;
const form = document.getElementById(‘calc-form’);
const speciesInput = document.getElementById(‘species-input’);
const speciesValue = document.getElementById(‘species-value’);
const autocompleteList = document.getElementById(‘autocomplete-list’);
const ageInput = document.getElementById(‘age’);
const ageUnit = document.getElementById(‘age-unit’);
const resultDiv = document.getElementById(‘result’);
const speciesList = [
{ name: ‘Syrian’, lifespan: 30, care: ‘Needs a large wheel (8–12 inches) and solitary housing.’ },
{ name: ‘Dwarf Roborovski’, lifespan: 42, care: ‘Prefers pairs or groups; provide a spacious habitat.’ },
{ name: ‘Dwarf Campbell’s’, lifespan: 21, care: ‘Can live in pairs; monitor for diabetes.’ },
{ name: ‘Dwarf Winter White’, lifespan: 21, care: ‘Can live in pairs; sensitive to temperature changes.’ },
{ name: ‘Chinese’, lifespan: 30, care: ‘Solitary; provide climbing opportunities.’ },
{ name: ‘Unknown’, lifespan: 24, care: ‘General care: balanced diet, exercise, and regular cage cleaning.’ }
];
function populateAutocomplete(query = ”) {
autocompleteList.innerHTML = ”;
const filteredSpecies = speciesList.filter(s => s.name.toLowerCase().includes(query.toLowerCase()));
filteredSpecies.forEach(species => {
const item = document.createElement(‘div’);
item.className = ‘autocomplete-item’;
item.textContent = `${species.name} (~${Math.round(species.lifespan / 12)} years)`;
item.setAttribute(‘role’, ‘option’);
item.addEventListener(‘click’, () => {
speciesInput.value = species.name;
speciesValue.value = species.name;
autocompleteList.innerHTML = ”;
});
autocompleteList.appendChild(item);
});
}
speciesInput.addEventListener(‘input’, () => {
populateAutocomplete(speciesInput.value);
});
speciesInput.addEventListener(‘focus’, () => {
populateAutocomplete(speciesInput.value);
});
document.addEventListener(‘click’, (e) => {
if (!speciesInput.contains(e.target) && !autocompleteList.contains(e.target)) {
autocompleteList.innerHTML = ”;
}
});
function calculate() {
resultDiv.className = ”;
resultDiv.innerHTML = ”;
resultDiv.classList.remove(‘show’);
try {
const speciesName = speciesValue.value || speciesInput.value || ”;
const age = parseFloat(ageInput.value) || 0;
const ageUnitVal = ageUnit.value;
if (!speciesName) {
throw new Error(‘Please select a species.’);
}
if (age s.name.toLowerCase() === speciesName.toLowerCase()) || speciesList.find(s => s.name === ‘Unknown’);
const ageMonths = ageUnitVal === ‘years’ ? age * 12 : age;
const avgLifespan = species.lifespan;
// Calculate human age
let humanAge = 0;
let initialMaturity = species.lifespan <= 24 ? 30 : 24; // Dwarfs mature faster
let agingRateFirstThreeMonths = species.lifespan <= 24 ? 10 : 8; // Dwarfs: 10, Syrian/Chinese: 8
if (ageMonths <= 3) {
humanAge = ageMonths * agingRateFirstThreeMonths;
} else {
humanAge = initialMaturity + (ageMonths – 3) * ((80 * 12) / avgLifespan);
}
// Determine life stage
let lifeStage = '';
let careNotes = [species.care];
const lifespanFraction = ageMonths / avgLifespan;
let progressColor = '';
if (lifespanFraction < 0.2) {
lifeStage = 'Juvenile';
careNotes.push('Provide a high-protein diet and safe chew toys.', 'Introduce gentle handling to build trust.');
progressColor = 'juvenile';
} else if (lifespanFraction < 0.8) {
lifeStage = 'Adult';
careNotes.push('Maintain a balanced diet with fresh veggies.', 'Ensure daily exercise with a wheel or playpen.');
progressColor = 'adult';
} else {
lifeStage = 'Senior';
careNotes.push('Monitor for weight loss or dental issues.', 'Schedule regular vet checkups for age-related conditions.');
progressColor = 'senior';
}
resultDiv.innerHTML = `
Species: ${species.name} (Lifespan: ~${Math.round(species.lifespan / 12)} years)Hamster Age: ${age} ${ageUnitVal}
Equivalent Human Age: ${Math.round(humanAge / 12)} years
Life Stage: ${lifeStage}
Care Notes:
`;
resultDiv.className = ‘success’;
setTimeout(() => resultDiv.classList.add(‘show’), 100);
document.getElementById(‘copy-btn’).addEventListener(‘click’, () => {
const text = `
Hamster Age Calculator Results
Species: ${species.name} (Lifespan: ~${Math.round(species.lifespan / 12)} years)
Hamster Age: ${age} ${ageUnitVal}
Equivalent Human Age: ${Math.round(humanAge / 12)} years
Life Stage: ${lifeStage}
Care Notes:
${careNotes.map(n => `- ${n}`).join(‘\n’)}
– Human age equivalence is an estimate; individual hamsters vary.
– Consult a veterinarian for personalized care advice.
`.trim();
navigator.clipboard.writeText(text).then(() => {
alert(‘Results copied to clipboard!’);
}).catch(() => {
alert(‘Failed to copy results. Please copy manually.’);
});
});
} catch (error) {
resultDiv.innerHTML = `Error: ${error.message}`;
resultDiv.className = ‘error’;
setTimeout(() => resultDiv.classList.add(‘show’), 100);
}
}
function reset() {
form.reset();
speciesInput.value = ”;
speciesValue.value = ”;
autocompleteList.innerHTML = ”;
resultDiv.className = ”;
resultDiv.innerHTML = ‘Enter your hamster’s species and age, then click “Calculate”.’;
resultDiv.classList.remove(‘show’);
speciesInput.focus();
}
document.getElementById(‘calculate-btn’).addEventListener(‘click’, calculate);
document.getElementById(‘reset-btn’).addEventListener(‘click’, reset);
form.addEventListener(‘keypress’, (e) => {
if (e.key === ‘Enter’ && e.target.tagName !== ‘BUTTON’) {
e.preventDefault();
calculate();
}
});
})();
-
${careNotes.map(n => `
- ${n} `).join(”)}
- Human age equivalence is an estimate; individual hamsters vary.
- Consult a veterinarian for personalized care advice.