UWSA 1 Step 1 Score Calculator | Free UWorld Self-Assessment 1 Predictor 2026

UWSA 1 Step 1 Score Calculator | Free UWorld Self-Assessment 1 Predictor 2026

Most accurate UWSA 1 Step 1 Score Calculator with validated community regression formula (294.38 – 1.109 × wrong). Convert your UWorld Self-Assessment 1 scores into predicted USMLE Step 1 three-digit score instantly. Trusted by 10,000+ medical students.

Enter Your UWSA 1 Scores

UWSA 1 Step 1 Formula

Score = 294.38 – 1.109 × Wrong Answers
Calibrated: 31 wrong = 260 • 53 wrong = 236 • 77 wrong = 209
Total Questions: 160 (4 blocks × 40 questions)

Important: UWSA 1 Accuracy Note

UWSA 1 typically overpredicts by 3–8 points compared to real Step 1. It is best used as a directional indicator, not a final readiness assessment. Take UWSA 2 for a more accurate final prediction.

Related USMLE Score Calculators

UWSA 2
UWSA 2 Step 1 Calculator
Best Step 1 predictor — take 1-2 weeks before exam
 NBME 28
NBME 28 Step 1 Calculator
Most forgiving curve — clinical reasoning
 NBME 29
NBME 29 Step 1 Calculator
High correlation with real Step 1
 NBME 30
NBME 30 Step 1 Calculator
Hardest curve — final readiness
 Free 120
Free 120 Step 1 Calculator
Take 3-5 days before exam day
 AI Tool
USMLE Study Plan Generator
Free AI-powered personalized plan
 NBME 25
NBME 25 Step 1 Calculator
Best for early dedicated period
 All Tools
All USMLE Calculators
NBME, UWSA, Free 120, AMBOSS

Frequently Asked Questions — UWSA 1 Step 1

How accurate is UWSA 1 for predicting USMLE Step 1?

UWSA 1 is a decent directional indicator but typically overpredicts real Step 1 scores by 3–8 points. Community data shows it has lower correlation than UWSA 2 or NBME 28/29/30. Use it to identify weak areas and as a progress checkpoint, not as a definitive readiness test. For final readiness assessment, UWSA 2 is significantly more accurate.

When should I take UWSA 1 for Step 1?

UWSA 1 is best taken during mid-dedicated period — typically 3 to 5 weeks before your exam date. Taking it too early (before dedicated) gives a meaninglessly low score. Taking it too late (final week) wastes a valuable assessment that would be better replaced by UWSA 2 or NBME 30/31. The sweet spot is Week 3–4 of your dedicated period.

What is a good UWSA 1 Step 1 score?

A UWSA 1 score above 220 in mid-dedicated is a strong sign — it suggests you are on track for a comfortable pass. However, because UWSA 1 overpredicts, subtract 5–7 points mentally for a more realistic estimate. A score of 215–225 in mid-dedicated typically corresponds to a real Step 1 score of 210–220 at exam time, with continued improvement.

UWSA 1 vs NBME 28 — which is more predictive?

NBME 28 is more predictive of real Step 1 performance than UWSA 1. NBME 28 has a lower multiplier (1.05 per wrong answer) and tests clinical reasoning in a format closer to the actual exam. UWSA 1 is more basic-science heavy and tends to overpredict. If you must choose one, NBME 28 gives you a more honest picture of your real exam readiness.

How many questions are on UWSA 1 Step 1?

UWSA 1 Step 1 has 160 questions total, divided into 4 blocks of 40 questions each. This is different from the real USMLE Step 1 which has 280 questions across 7 blocks. The shorter format means each wrong answer has a larger impact on your score — approximately 1.1 points per wrong answer on UWSA 1.

My UWSA 1 score is low — should I delay my exam?

A low UWSA 1 score alone is not sufficient reason to delay your exam. First check when you are taking it — in early dedicated, almost everyone scores lower than they will at exam time. Second, compare with your NBME scores — if NBMEs are also low and you have less than 4 weeks left, then a delay conversation makes sense. A single UWSA 1 score in mid-dedicated should not trigger a panic decision.

Is UWSA 1 harder than the real Step 1?

Most students find UWSA 1 to be harder than the real Step 1 in terms of question style and basic science emphasis. The real Step 1 is now heavily clinical — UWSA 1 still tests foundational science more directly. This is one of the reasons UWSA 1 overpredicts real exam scores — students who struggle with the basic science style of UWSA 1 often do better on the clinical integration of the real exam.

UWSA 1 Step 1 Score Calculator — Everything You Need to Know

The UWSA 1 Step 1 Score Calculator converts your UWorld Self-Assessment 1 wrong answer count or percentage correct into a predicted three-digit USMLE Step 1 score. This calculator uses a community-validated regression formula derived from hundreds of real student score reports shared across r/step1, USMLE Discord, and medical tutoring platforms.

Enter your wrong answers above and get your predicted score instantly. No signup required.

The Formula — Where This Number Comes From

Score = 294.38 – 1.109 × Wrong Answers

Wrong AnswersPredicted ScoreWhat It Means
20 wrong~272Exceptional — exceptional foundational strength
30 wrong~261Excellent — very strong performance
40 wrong~250Strong — well above average
53 wrong~236Above average — solid performance
65 wrong~222Comfortable passing zone
77 wrong~209Borderline — needs targeted work
90 wrong~195Below passing — restructure study plan

Remember: subtract 5–7 points from your UWSA 1 prediction for a more realistic real exam estimate. UWSA 1 systematically overpredicts compared to UWSA 2 and the actual exam.

UWSA 1 vs UWSA 2 vs NBME — Which Is Most Accurate?

AssessmentAccuracyTendencyBest Used
UWSA 1 Step 1ModerateOverpredicts 3–8 ptsWeek 3–4 of dedicated
UWSA 2 Step 1High±3–5 pts accurate1–2 weeks before exam
NBME 28HighSlightly underpredictsWeek 4–5 of dedicated
NBME 30/31Very HighMost current contentFinal 2 weeks
Free 120ModerateContent-specific3–5 days before exam

When to Take UWSA 1 for Step 1

Ideal window: Week 3–4 of your dedicated period.

UWSA 1 is a mid-preparation checkpoint, not a final readiness assessment. Its job is to show you which subject areas still have gaps — biochemistry, physiology, pathology — before you finalize your study priorities. Do not take it in the final week before your exam; save that slot for UWSA 2 or NBME 30/31.

If you are more than 6 weeks out from your exam and just starting dedicated, UWSA 1 is actually too early — your score will be artificially low and discouraging without being useful. Start with NBME 25 or 26 for an early baseline, then use UWSA 1 once you have completed at least 50% of your UWorld pass.

Your UWSA 1 Score Came Back — Now What

240 and above: Exceptional early-dedicated performance. Shift to clinical integration and higher-order reasoning. Your foundation is solid.

220 to 239: Strong score. Specific subject gaps exist but manageable. Review every wrong answer for pattern — is it one system dominating your errors?

200 to 219: Common and recoverable. This range in mid-dedicated with 3–5 weeks remaining is fixable with targeted subject work. Identify your top 3 error subjects and build a specific plan.

Below 200: Do not panic. Evaluate your timing — how many weeks of dedicated remain? If you have 4+ weeks and your NBMEs are trending similarly, use the free USMLE study plan generator to build a subject-specific recovery plan.

Common Mistakes Students Make with UWSA 1

Using it as a pass/fail decision tool. UWSA 1 is not designed for that. It overpredicts. A 215 on UWSA 1 does not mean you will get a 215 on Step 1 — it means you are trending around 208–212 and have time to improve.

Taking it too early. Before dedicated, the UWSA 1 score is meaninglessly low. Students who take it before dedicated commonly get scores in the 190s and spend days in unnecessary panic. Wait until at least Week 2 of dedicated.

Not reviewing it deeply enough. UWSA 1 wrong-answer review is more valuable than the score itself. Go through every wrong answer and categorize by subject. That subject list is your study priority list for the next two weeks.

Disclaimer: This calculator provides educational estimates based on community regression data. Results are not official USMLE scores. UWSA 1 systematically overpredicts real Step 1 performance by 3–8 points on average — account for this when interpreting results. All USMLE® and UWorld® trademarks belong to their respective owners.

`;const win = window.open('', '_blank'); if (!win) { alert('⚠️ Popup blocked. Please allow popups.'); return; } win.document.write(html); win.document.close(); win.focus(); setTimeout(() => { win.print(); }, 500); }// EMAIL GATE SUBMIT emailGateForm.addEventListener('submit', async (e) => { e.preventDefault();if (!calculationData) { alert('⚠️ Please calculate your score first!'); return; }const name = userName.value.trim(); const email = userEmail.value.trim(); const type = studentType.value; const examDate = document.getElementById('examDate').value; const weakAreas = getWeakAreas();if (!name || !email || !type) { alert('⚠️ Please fill all required fields!'); return; }savedUserName = name; submitEmailBtn.disabled = true; submitEmailBtn.innerHTML = ' Saving...';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', type); formData.append('nbme_version', 'UWSA1'); formData.append('exam_type', 'Step1'); formData.append('percentage_correct', calculationData.pct); formData.append('wrong_answers', calculationData.wrong); formData.append('predicted_score', calculationData.score); formData.append('pass_probability', calculationData.prob); formData.append('exam_date', examDate || ''); formData.append('weak_areas', weakAreas.join(', '));const response = await fetch(AJAX_URL, { method: 'POST', body: formData }); const data = await response.json();if (data.success) { emailSubmitted = true; resultsBlurTarget.classList.remove('blur-content'); emailGateOverlay.classList.remove('active'); generateAndDownloadPDF(name, calculationData.score, calculationData.pct, calculationData.wrong, calculationData.prob); } else { throw new Error(data.data?.message || 'Failed to save'); } } catch (error) { console.error('❌ Error:', error); alert('⚠️ Error saving. Please try again.'); } finally { submitEmailBtn.disabled = false; submitEmailBtn.innerHTML = ' View My UWSA 1 Results'; } });// SHARE function buildShareMsg() { if (!calculationData) return ''; return encodeURIComponent(`📚 My UWSA 1 Step 1 Score Report\n\n🎯 Predicted Score: ${calculationData.score}\n📊 Accuracy: ${calculationData.pct}%\n❌ Wrong: ${calculationData.wrong}/160\n✅ Pass Probability: ${calculationData.prob}%\n\nCalculate yours: ${window.location.href}`); }document.getElementById('shareWhatsApp').addEventListener('click', () => { if (!calculationData) return alert('Calculate first!'); window.open(`https://wa.me/?text=${buildShareMsg()}`, '_blank'); });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 (!calculationData) return; const text = encodeURIComponent(`🎯 My UWSA 1 Step 1 Score: ${calculationData.score} | Pass Probability: ${calculationData.prob}% | Calculate yours:`); window.open(`https://twitter.com/intent/tweet?text=${text}&url=${encodeURIComponent(window.location.href)}`, '_blank'); });document.getElementById('downloadPDF').addEventListener('click', () => { if (!calculationData) return alert('Calculate first!'); generateAndDownloadPDF(savedUserName || 'Medical Student', calculationData.score, calculationData.pct, calculationData.wrong, calculationData.prob); });// RESET resetBtn.addEventListener('click', () => { pctCorrect.value = ''; wrongCount.value = ''; resultsCol.classList.add('hidden'); shareSection.classList.add('hidden'); resultsBlurTarget.classList.remove('blur-content'); emailGateOverlay.classList.remove('active'); calculationData = null; });emailGateClose.addEventListener('click', () => { emailGateOverlay.classList.remove('active'); resultsBlurTarget.classList.remove('blur-content'); });emailGateOverlay.addEventListener('click', (e) => { if (e.target === emailGateOverlay) { emailGateOverlay.classList.remove('active'); resultsBlurTarget.classList.remove('blur-content'); } });console.log('✅ UWSA 1 Step 1 Calculator Loaded | Formula: 294.38 - 1.109 × wrong | Total Qs: 160');