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সমুদ্রপৃষ্ঠ থেকে নিখুঁতভাবে মাপা ভূপৃষ্ঠের কোনাে বিন্দুর জ্ঞাত উচ্চতাকে বেঞ্চ মার্ক (Bench Mark) বলে। ভূপৃষ্ঠের কোনাে স্থানের সমুদ্রপৃষ্ঠ থেকে উচ্চতা সঠিকভাবে পরিমাপ করতে বেঞ্চমার্ক ব্যবহৃত হয়।
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সমুদ্রপৃষ্ঠ থেকে নিখুঁতভাবে মাপা ভূপৃষ্ঠের কোনাে বিন্দুর জ্ঞাত উচ্চতাকে বেঞ্চ মার্ক (Bench Mark) বলে। ভূপৃষ্ঠের কোনাে স্থানের সমুদ্রপৃষ্ঠ থেকে উচ্চতা সঠিকভাবে পরিমাপ করতে বেঞ্চমার্ক ব্যবহৃত হয়।