Solo 401k Contribution Calculator
Calculate your Solo 401k contributions easily
AI
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2. Paste the code into your website.
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Calculate your Solo 401k contributions easily
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript"> window.addEventListener('error', function(event) { var message = JSON.parse(JSON.stringify(event.message)); var source = event.filename; var lineno = event.lineno; var colno = event.colno; var error = event.error; window.parent.postMessage({ type: 'iframeError', details: { message: message, source: source, lineno: lineno, colno: colno, error: error ? error.stack : '' } }, '*'); }); window.addEventListener('unhandledrejection', function(event) { window.parent.postMessage({ type: 'iframePromiseRejection', details: { reason: event.reason } }, '*'); }); </script>
<title>Solo 401k Contribution Calculator</title>
<meta name="description" content="Calculate your Solo 401k contributions easily">
<meta name="keywords" content="Solo 401k, contribution, calculator">
<style>
body {
font-family: Arial, sans-serif;
}
.container {
max-width: 800px;
margin: auto;
padding: 20px;
text-align: center;
}
.result {
margin-top: 20px;
}
</style>
<link rel="canonical" href="https://calculator.tools/prompt/5478/">
<meta charset="utf-8">
</head>
<body>
<div class="container">
<h1>Solo 401k Contribution Calculator</h1>
<form id="calculatorForm">
<label for="year">Year:</label>
<input type="number" id="year" placeholder="Tax Year"><br>
<label for="businessProfit">Business Profit:</label>
<input type="number" id="businessProfit" placeholder="Business Profit"><br>
<label for="age">Age:</label>
<input type="checkbox" id="age"> 50 or older?<br>
<label for="dayJob">Day Job?:</label>
<input type="checkbox" id="dayJob" onclick="toggleDayJobInputs()"> Yes<br>
<div id="dayJobInputs" style="display: none;">
<label for="dayJobIncome">Day Job Income:</label>
<input type="number" id="dayJobIncome" placeholder="Day Job Income"><br>
<label for="dayJob401k">Day Job 401k Contribution:</label>
<input type="number" id="dayJob401k" placeholder="Day Job 401k"><br>
<label for="dayJobCatchup">Day Job Catchup Contribution:</label>
<input type="number" id="dayJobCatchup" placeholder="Day Job Catchup"><br>
</div>
<button type="button" onclick="calculateContributions()">Calculate</button>
</form>
<div class="result" id="result"></div>
</div>
<script>
function toggleDayJobInputs() {
const dayJobInputs = document.getElementById('dayJobInputs');
if (document.getElementById('dayJob').checked) {
dayJobInputs.style.display = 'block';
} else {
dayJobInputs.style.display = 'none';
}
}
function calculateContributions() {
const year = parseInt(document.getElementById('year').value);
const businessProfit = parseFloat(document.getElementById('businessProfit').value);
const isOlder = document.getElementById('age').checked;
const hasDayJob = document.getElementById('dayJob').checked;
const dayJobIncome = hasDayJob ? parseFloat(document.getElementById('dayJobIncome').value) : 0;
const dayJob401k = hasDayJob ? parseFloat(document.getElementById('dayJob401k').value) : 0;
const dayJobCatchup = hasDayJob ? parseFloat(document.getElementById('dayJobCatchup').value) : 0;
const seTaxRate = 0.153;
const netEarnings = businessProfit * (1 - seTaxRate / 2);
const electiveDeferralMax = Math.min(netEarnings, 19500); // 2021 limit
const profitSharingMax = Math.min(netEarnings * 0.25, 57500 - electiveDeferralMax); // 2021 limit
const catchupMax = isOlder ? 6500 : 0; // 2021 limit
const afterTaxMax = 57500 - electiveDeferralMax - profitSharingMax - catchupMax; // 2021 limit
let resultText = `Net earnings from self-employment: $${netEarnings.toFixed(2)}\n`;
resultText += `Elective deferral for Employee: $${electiveDeferralMax.toFixed(2)}\n`;
resultText += `Profit sharing from Employer: $${profitSharingMax.toFixed(2)}\n`;
resultText += `Catchup max: $${catchupMax.toFixed(2)}\n`;
resultText += `After-tax Non-Roth max: $${afterTaxMax.toFixed(2)}`;
document.getElementById('result').innerText = resultText;
}
</script>
<script type="text/javascript"> var localStoragePrefix = "ct-{{ cachebreaker }}"; var lastSave = 0; function saveLocal(data) { if (Date.now() - lastSave < 1000) { return; } let cookie = localStoragePrefix + "=" + JSON.stringify(data) + "; path=" + window.location.pathname + "'; SameSite=Strict"; cookie += "; expires=" + new Date(Date.now() + 1000 * 60 * 60 * 24 * 365 * 1000).toUTCString(); document.cookie = cookie; lastSave = Date.now(); } function loadLocal() { var cookiePrefix = localStoragePrefix + "="; var cookieStart = document.cookie.indexOf(cookiePrefix); if (cookieStart > -1) { let cookieEnd = document.cookie.indexOf(";", cookieStart); if (cookieEnd == -1) { cookieEnd = document.cookie.length; } var cookieData = document.cookie.substring(cookieStart + cookiePrefix.length, cookieEnd); return JSON.parse(cookieData); } } </script>
<script type="text/javascript"> window.addEventListener('load', function() { var observer = new MutationObserver(function() { window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); observer.observe(document.body, {attributes: true, childList: true, subtree: true}); window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); </script>
</body>
</html>
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