Looking for an accurate NBME score converter Step 1? This tool takes your CBSSA raw score (Forms 25 through 31) and converts it into a predicted USMLE Step 1 three-digit equivalent, using the exact regression formula built for each form — making it one of the most reliable NBME score predictor Step 1 tools available.

Unlike generic tools, this nbme score calculator step 1 dashboard accounts for the fact that every CBSSA form has its own difficulty curve — 50 wrong on Form 25 doesn’t mean the same thing as 50 wrong on Form 31.

Whether you searched for an “nbme step 1 score calculator forms 25 to 31” or a “free nbme score converter step 1 2026,” you’re in the right place — just pick your form and enter your result below.

Get your predicted score, pass probability, and a personalized next-steps plan in seconds — no sign-up required to see your result.

`; const win = window.open('', '_blank'); if (!win) { alert('⚠️ Popup blocked. Please allow popups to download PDF.'); return; } win.document.write(html); win.document.close(); win.focus(); setTimeout(() => win.print(), 500); }// ===== QUICK SAVE / EMAIL BOX (replaces old hard email gate) ===== if (qsbSaveBtn) { qsbSaveBtn.addEventListener('click', async () => { const name = document.getElementById('qsbName').value.trim() || 'Student'; const email = document.getElementById('qsbEmail').value.trim(); const msgEl = document.getElementById('qsbMsg');if (!email || !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)) { msgEl.textContent = '⚠️ Please enter a valid email address.'; msgEl.className = 'qsb-msg error'; return; } if (!calcData) { msgEl.textContent = '⚠️ Calculate your score first.'; msgEl.className = 'qsb-msg error'; return; }qsbSaveBtn.disabled = true; qsbSaveBtn.innerHTML = ' Saving...'; msgEl.textContent = '';try { const formData = new FormData(); formData.append('action', 'nbme_save_user_result'); formData.append('user_name', name); formData.append('user_email', email); formData.append('student_type', calcData.studentType || ''); formData.append('nbme_version', calcData.label); formData.append('exam_type', 'Step1'); formData.append('percentage_correct', calcData.pct); formData.append('wrong_answers', calcData.wrong); formData.append('predicted_score', calcData.score); formData.append('pass_probability', calcData.prob); formData.append('exam_date', ''); formData.append('weak_areas', ''); formData.append('show_leaderboard', 0);const response = await fetch(AJAX_URL, { method: 'POST', body: formData }); const data = await response.json();if (data.success) { msgEl.textContent = '✅ Saved! Check your email for your report.'; msgEl.className = 'qsb-msg success'; generatePDF(name, calcData); addToLeaderboard(name, calcData); } else { throw new Error((data.data && data.data.message) || 'Failed to save'); } } catch (error) { console.error('❌ Error:', error); msgEl.textContent = '⚠️ Error saving score. Please try again.'; msgEl.className = 'qsb-msg error'; } finally { qsbSaveBtn.disabled = false; qsbSaveBtn.innerHTML = ' Save & Email My Score'; } }); }// ===== LEADERBOARD (unchanged) ===== function addToLeaderboard(name, data) { const entry = { name, form: data.label, pct: data.pct, wrong: data.wrong, score: data.score, prob: data.prob, color: data.color, when: new Date().toLocaleString('en-US', { month: 'short', day: 'numeric', hour: '2-digit', minute: '2-digit' }) }; const arr = JSON.parse(localStorage.getItem(LBKEY) || '[]'); arr.push(entry); localStorage.setItem(LBKEY, JSON.stringify(arr)); renderLeaderboard(); }function renderLeaderboard() { const arr = JSON.parse(localStorage.getItem(LBKEY) || '[]') .sort((a, b) => b.score - a.score) .slice(0, 50);if (!arr.length) { lbBody.innerHTML = `🚀 No entries yet. Be the first to save your NBME score!`; return; }lbBody.innerHTML = arr.map((r, idx) => `#${idx + 1}${r.name.slice(0,1).toUpperCase()}${r.name}${r.form}${r.pct}%${r.wrong}/200${r.score}${r.prob}% `).join(''); }if (!localStorage.getItem(LBKEY)) localStorage.setItem(LBKEY, '[]'); renderLeaderboard();// ===== SHARE (unchanged) ===== function buildShareMsg() { if (!calcData) return ''; return encodeURIComponent( `🎯 My ${calcData.label} Step 1 Score Report\n\n` + `📋 NBME Form: ${calcData.label}\n` + `🎯 Predicted Score: ${calcData.score}\n` + `📊 Accuracy: ${calcData.pct}%\n` + `❌ Wrong Answers: ${calcData.wrong}/200\n` + `✅ Pass Probability: ${calcData.prob}%\n\n` + `Calculate yours: ${window.location.href}` ); }document.getElementById('shareReddit').addEventListener('click', () => { if (!calcData) return alert('⚠️ Calculate first!'); window.open(`https://www.reddit.com/submit?url=${encodeURIComponent(window.location.href)}&title=${encodeURIComponent('My ' + calcData.label + ' Step 1 Score: ' + calcData.score)}`, '_blank'); }); document.getElementById('copyLinkBtn').addEventListener('click', () => { navigator.clipboard.writeText(window.location.href).then(() => { const btn = document.getElementById('copyLinkBtn'); const original = btn.innerHTML; btn.innerHTML = ' Copied!'; setTimeout(() => btn.innerHTML = original, 1800); }); }); document.getElementById('shareFacebook').addEventListener('click', () => { window.open(`https://www.facebook.com/sharer/sharer.php?u=${encodeURIComponent(window.location.href)}`, '_blank'); }); document.getElementById('shareTwitter').addEventListener('click', () => { if (!calcData) return; const text = encodeURIComponent(`🎯 My ${calcData.label} Step 1 Score: ${calcData.score} | Pass Probability: ${calcData.prob}%`); window.open(`https://twitter.com/intent/tweet?text=${text}&url=${encodeURIComponent(window.location.href)}`, '_blank'); }); document.getElementById('shareInstagram').addEventListener('click', () => { if (!calcData) return alert('⚠️ Calculate first!'); alert(`📱 Instagram share:\n\n1. Screenshot your results\n2. Open Instagram\n3. Upload as a Story or Post\n\nYour ${calcData.label} Score: ${calcData.score}`); }); document.getElementById('downloadPDF').addEventListener('click', () => { if (!calcData) return alert('⚠️ Calculate first!'); generatePDF(document.getElementById('qsbName').value.trim() || 'Medical Student', calcData); });console.log('✅ NBME Score Predictor Step 1 (V3) Loaded');