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Solve everyday calculations in just a few clicks.
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";w.document.open();w.document.write(html);w.document.close();toast("Opening print dialog");});} function share(){var txt=(justEvaluated?pretty(entry)+" = "+lastResultStr:pretty(entry||"0"));if(navigator.share){navigator.share({title:"Scientific Calculator",text:txt}).catch(function(){});}else if(navigator.clipboard){navigator.clipboard.writeText(txt).then(function(){toast("Copied to clipboard");},function(){toast("Copy failed",true);});}else{toast("Sharing not supported",true);}} /* ===================== EVENTS ===================== */ document.addEventListener("click",function(ev){var t=ev.target.closest("button,[data-action]");if(!t)return;var act=t.getAttribute("data-action");if(act==="sound"){toggleSound();return;}if(t.tagName==="BUTTON"&&!t.hasAttribute("data-hist-idx")){playClick(sndType(t));}if(act==="shift"){shiftOn=!shiftOn;render();return;}if(t.hasAttribute("data-hist-idx")){restoreHistory(parseInt(t.getAttribute("data-hist-idx"),10));return;}if(t.hasAttribute("data-ins")){var ins=t.getAttribute("data-ins");var cat=t.getAttribute("data-cat")||"val";if(shiftOn&&t.hasAttribute("data-shift")){ins=t.getAttribute("data-shift");}press(ins,cat);if(shiftOn){shiftOn=false;render();}return;}if(t.hasAttribute("data-mem")){memOp(t.getAttribute("data-mem"));if(shiftOn){shiftOn=false;render();}return;}switch(act){case "calculate":equals();break;case "clear-all":case "on":clearAll();break;case "backspace":del();break;case "negate":pressNegate();break;case "mode":cycleAngle();break;case "alpha":break;case "hist-prev":histPrev();break;case "hist-next":histNext();break;case "history-toggle":toggleHistory();break;case "hist-clear":history=[];historyIndex=-1;renderHistory();render();break;case "export-png":exportPNG();break;case "export-pdf":exportPDF();break;case "print":printOut();break;case "share":share();break;}if(shiftOn&&act!=="shift"){shiftOn=false;render();}}); document.addEventListener("keydown",function(e){var a=document.activeElement;if(a&&(a.tagName==="INPUT"||a.tagName==="TEXTAREA"||a.isContentEditable))return;var k=e.key;if(soundOn){if((k>="0"&&k<="9")||k===".")playClick("num");else if(k.length===1&&"+-*/^".indexOf(k)!==-1)playClick("op");else if(k==="Enter"||k==="=")playClick("eq");else if(k==="("||k===")"||k==="!"||k==="%"||k==="p"||k==="P")playClick("fn");else if(k==="Backspace"||k==="Escape"||k==="ArrowUp"||k==="ArrowDown")playClick("ctrl");}if(k>="0"&&k<="9"){e.preventDefault();press(k,"num");}else if(k==="."){e.preventDefault();press(".","num");}else if(k==="+"){e.preventDefault();press("+","op");}else if(k==="-"){e.preventDefault();press("\u2212","op");}else if(k==="*"){e.preventDefault();press("\u00D7","op");}else if(k==="/"){e.preventDefault();press("\u00F7","op");}else if(k==="^"){e.preventDefault();press("^","op");}else if(k==="("){e.preventDefault();press("(","open");}else if(k===")"){e.preventDefault();press(")","close");}else if(k==="!"){e.preventDefault();press("!","post");}else if(k==="%"){e.preventDefault();press("%","post");}else if(k==="Enter"||k==="="){e.preventDefault();equals();}else if(k==="Escape"){e.preventDefault();clearAll();}else if(k==="Backspace"){e.preventDefault();del();}else if(k==="ArrowUp"){e.preventDefault();histPrev();}else if(k==="ArrowDown"){e.preventDefault();histNext();}else if(k==="p"||k==="P"){e.preventDefault();press("\u03C0","val");}}); /* ===== IFRAME AUTO-RESIZE (loop-free) ===== */ var lastH=0;function postHeight(){var h=Math.ceil(document.body.scrollHeight);if(Math.abs(h-lastH)<2)return;lastH=h;try{parent.postMessage({scCalcHeight:h},"*");}catch(e){}} if(window.ResizeObserver){new ResizeObserver(postHeight).observe(document.body);} window.addEventListener("load",postHeight);window.addEventListener("resize",postHeight); render();setTimeout(postHeight,250); })(); <\/script> `;var mount = document.getElementById("sci-calc-embed"); var iframe = document.createElement("iframe"); iframe.setAttribute("title", "Scientific Calculator"); iframe.setAttribute("allowtransparency", "true"); iframe.style.width = "100%"; iframe.style.border = "0"; iframe.style.display = "block"; iframe.style.minHeight = "340px"; iframe.style.overflow = "hidden"; iframe.style.background = "transparent"; iframe.scrolling = "no"; iframe.srcdoc = doc; mount.appendChild(iframe);window.addEventListener("message", function (e) { if (e.source === iframe.contentWindow && e.data && e.data.scCalcHeight) { iframe.style.height = (e.data.scCalcHeight + 2) + "px"; iframe.style.minHeight = "0px"; } }); })();

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Age Calculator

Calculate your exact age in years, months, weeks, and days instantly.

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Accurate • Private • Instant

Age Calculator

Calculate your exact calendar age, lifetime metrics, next birthday, age progress, and milestones.

Age calculator inputs

Select your complete birth date.
If omitted, 12:00 AM is used.
Calculate Against

Your Exact Age

—

—

Living Seconds: 0
Years0
Months0
Days0
Total Months0
Total Weeks0
Total Days0
Total Hours0
Total Minutes0
Total Seconds0
Day of Birth—

Next Birthday & Age Progress

Progress uses the actual length of your current birthday year.

Next Birthday
—

—

—

—

Current Age Year
Age 0 → 1 0%
Last: — Next: —
Years
0
Months
0
Days
0

Birthday Information

Calendar details derived locally from your input.

Date of Birth—
Birth Time—
Day Born—
Birth Month—
Birth Year—
Zodiac Sign—
Current Age—
Comparison Date—
Upcoming Birthday Age—

Age in Different Units

Whole elapsed units, without unnecessary decimals.

UnitValueMethod
Total Years0Complete calendar years
Total Months0Complete calendar months
Total Weeks0Elapsed days ÷ 7
Total Days0Elapsed 24-hour periods
Total Hours0Elapsed milliseconds ÷ 3,600,000
Total Minutes0Total hours × 60
Total Seconds0Total minutes × 60

Age Timeline

Completed, current, and upcoming milestones—without life-expectancy predictions.

Step-by-Step Calculation

A transparent explanation of how your result was calculated.

Export & Share

Create a professional report or share a privacy-conscious summary.

Your birth information stays in your browser and is never sent to a server by this calculator.

Calendar-accurate age calculation with leap-year and end-of-month handling.
'; }function printResults() { if (!lastResult) return; const printWindow = window.open("", "_blank", "noopener,noreferrer");if (!printWindow) { showToast("Please allow pop-ups to print the report.", "error"); return; }printWindow.document.open(); printWindow.document.write(buildPrintDocument()); printWindow.document.close();window.setTimeout(function () { printWindow.focus(); printWindow.print(); }, 250); }async function createCanvas() { if (typeof window.html2canvas !== "function") { throw new Error("Image export library is still loading."); }return window.html2canvas(dom.results, { scale: Math.min(2.5, Math.max(2, window.devicePixelRatio || 1)), useCORS: true, backgroundColor: root.dataset.theme === "dark" ? "#0b1020" : "#f5f7fc", logging: false, removeContainer: true, windowWidth: Math.max(dom.results.scrollWidth, 900) }); }async function exportPng() { if (!lastResult) return; dom.pngButton.disabled = true;try { const canvas = await createCanvas(); const link = document.createElement("a"); link.download = "age-calculation-report.png"; link.href = canvas.toDataURL("image/png", 1); link.click(); showToast("PNG export completed.", "success"); } catch (error) { showToast(error.message || "PNG export could not be completed.", "error"); } finally { dom.pngButton.disabled = false; } }async function exportPdf() { if (!lastResult) return; dom.pdfButton.disabled = true;try { if (!window.jspdf || !window.jspdf.jsPDF) { throw new Error("PDF export library is still loading."); }const canvas = await createCanvas(); const image = canvas.toDataURL("image/jpeg", 0.96); const jsPDF = window.jspdf.jsPDF; const pdf = new jsPDF({ orientation: "portrait", unit: "mm", format: "a4", compress: true }); const pageWidth = 210; const pageHeight = 297; const margin = 8; const printableWidth = pageWidth - margin * 2; const imageHeight = canvas.height * printableWidth / canvas.width; let remaining = imageHeight; let y = margin;pdf.addImage(image, "JPEG", margin, y, printableWidth, imageHeight, undefined, "FAST"); remaining -= pageHeight - margin * 2;while (remaining > 0) { pdf.addPage(); y = margin - (imageHeight - remaining); pdf.addImage(image, "JPEG", margin, y, printableWidth, imageHeight, undefined, "FAST"); remaining -= pageHeight - margin * 2; }pdf.save("age-calculation-report.pdf"); showToast("PDF export completed.", "success"); } catch (error) { showToast(error.message || "PDF export could not be completed.", "error"); } finally { dom.pdfButton.disabled = false; } }async function shareResults() { if (!lastResult) return; const summary = resultSummaryText(false);if (navigator.share) { try { await navigator.share({ title: "My Age Calculation", text: summary }); showToast("Share sheet opened.", "success"); return; } catch (error) { if (error && error.name === "AbortError") return; } }await copyText(summary, "Share summary copied to your clipboard."); }function applyTheme(theme) { const dark = theme === "dark"; root.dataset.theme = dark ? "dark" : "light"; dom.themeIcon.textContent = dark ? "☀️" : "🌙"; dom.themeToggle.setAttribute("aria-label", dark ? "Switch to light mode" : "Switch to dark mode");try { localStorage.setItem("age-calculator-theme", dark ? "dark" : "light"); } catch (error) { /* Storage is optional. */ } }function initializeTheme() { let stored = "";try { stored = localStorage.getItem("age-calculator-theme") || ""; } catch (error) { stored = ""; }const preferred = stored || (window.matchMedia("(prefers-color-scheme: dark)").matches ? "dark" : "light"); applyTheme(preferred); }dom.form.addEventListener("submit", calculate); dom.resetButton.addEventListener("click", resetCalculator); dom.todayButton.addEventListener("click", function () { setMode("today"); }); dom.customButton.addEventListener("click", function () { setMode("custom"); });[dom.birthDate, dom.birthTime, dom.targetDate].forEach(function (input) { input.addEventListener("input", function () { validate(false); }); input.addEventListener("change", function () { validate(false); }); input.addEventListener("blur", function () { validate(true); }); });dom.themeToggle.addEventListener("click", function () { applyTheme(root.dataset.theme === "dark" ? "light" : "dark"); });dom.copyResults.addEventListener("click", function () { copyText(resultSummaryText(true), "Detailed results copied."); });dom.copySummary.addEventListener("click", function () { copyText(resultSummaryText(false), "Age summary copied."); });dom.printButton.addEventListener("click", printResults); dom.pngButton.addEventListener("click", exportPng); dom.pdfButton.addEventListener("click", exportPdf); dom.shareButton.addEventListener("click", shareResults);window.addEventListener("pagehide", stopLiveTimer); initializeTheme(); validate(false); }function boot() { document.querySelectorAll(".age-calculator-widget").forEach(initializeAgeCalculator); }if (document.readyState === "loading") { document.addEventListener("DOMContentLoaded", boot, { once: true }); } else { boot(); } })();
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