UPSC Prelims 2026 Marks Calculator

Calculate your UPSC Prelims 2026 marks instantly with the exact UPSC negative marking scheme. Enter your correct, incorrect, and skipped answers to get your estimated marks out of 200, with category-wise cutoff comparison.

UPSC Prelims 2026 Marks Formula: +2 marks per correct answer, −0.66 marks per wrong answer (1/3rd negative marking), 0 for unanswered. Maximum marks: 200 (GS Paper 1).

Total Questions: 100Correct: +2Incorrect: −2/3 (one-third)Max Marks: 200

Correct Answers

Incorrect Answers

Skipped

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How to Calculate UPSC Prelims 2026 Marks

The UPSC Civil Services Preliminary Examination 2026 GS Paper 1 consists of 100 multiple-choice questions, each carrying 2 marks, for a total of 200 marks. UPSC applies one-third negative marking — for each incorrect answer, 2/3 marks (approximately 0.66) are deducted. Questions left unanswered carry zero penalty.

UPSC Prelims 2026 Marks Calculation — Worked Example

Correct answers: 75 × 2 = +150.00 marks

Wrong answers: 20 × 2/3 = −13.33 marks

Skipped: 5 × 0 = 0.00 marks

Total Marks = 150 − 13.33 = 136.67 / 200

For CSAT Paper 2, each correct answer carries +2.5 marks and each incorrect answer deducts 5/6 marks (approximately 0.83). CSAT is qualifying — candidates need a minimum of 33% (66.67 out of 200 marks) to qualify. CSAT marks are not added to the Prelims merit ranking; only GS Paper 1 marks determine your merit position.

UPSC Prelims 2026 Marks Calculator — FAQ

How to calculate UPSC Prelims 2026 marks?→

Enter the number of correct, incorrect, and skipped answers in the UPSC Prelims 2026 marks calculator above. Your marks are calculated as: Marks = (Correct × 2) − (Incorrect × 0.66). Each correct answer earns +2 marks and each wrong answer deducts 0.66 marks (one-third negative marking). Unanswered questions carry no penalty.

What is the UPSC Prelims 2026 marks calculation formula?→

The UPSC Prelims marks formula for GS Paper 1 is: Total Marks = (Number of Correct Answers × 2) − (Number of Wrong Answers × 2/3). The maximum marks are 200 (100 questions × 2 marks). For CSAT Paper 2: Total Marks = (Correct × 2.5) − (Wrong × 5/6), with a qualifying threshold of 33% (66.67 out of 200).

How many marks are deducted for a wrong answer in UPSC Prelims?→

For each wrong answer in UPSC Prelims GS Paper 1, exactly 2/3 marks (approximately 0.66 marks) are deducted. This is one-third of the marks assigned to the question (2 marks). For CSAT Paper 2, the deduction is 5/6 marks (approximately 0.83) per wrong answer. Unanswered questions have zero deduction.

What is a safe score in UPSC Prelims 2026?→

Based on historical trends, a safe score for UPSC Prelims 2026 General category is estimated at 90+ marks out of 200. The last 3 years cutoffs were: 2025 — 92.66, 2024 — 87.98, 2023 — 75.41. Use the marks calculator above to check your estimated marks and see if you cross the expected cutoff for your category.

Is this marks calculator accurate?→

Yes, the marks calculator applies the exact UPSC marking scheme using precise fractions (2/3 instead of rounded 0.67) to avoid cumulative drift. The accuracy of your estimated marks depends on how accurately you remember your responses. For the most accurate calculation, use our full question-by-question evaluator which compares against multiple coaching institute answer keys.