Multiple choice general knowledge math & puzzles 1 inch is equal to 3.5678 centimetes 0.201 inchs 2.54 centimeters None of the above Reveal answer Fill a bubble to check yourself C Correct answer Explanation 1 inch equals exactly 2.54 centimeters by international definition. Option A (3.5678) is incorrect. Option B (0.201 inch) is not equal to 1 inch. Since option C is correct, option D ('None of the above') is not applicable.