The measurement of how heavy something is.

वजन

English Usage: The weight of the package was more than I expected.

Hindi Usage: पैकेज का वजन मेरी अपेक्षा से अधिक था।

To measure the heaviness of something.

मापना

English Usage: Please weigh the ingredients before mixing them.

Hindi Usage: कृपया मिश्रण करने से पहले सामग्री का माप लें।