What is the difference between a weighted and unweighted key?

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There are three main types of keyboard or piano keys you will come across. The first is non-weighted, which means the key is light to the touch and doesn’t take any effort to push them down. This non-weighted key action would typically be found on an electronic keyboard.rnrnThe second type of weighted key is ‘semi-weighted’. This is a little heavier than an unweighted key but still isn’t as heavy as a typically weighted piano key. You can find semi-weighted keys on both electric keyboards and digital pianos.rnrnThe third type of key is weighted. This will typically come as standard with a digital piano of 88 keys and is designed to emulate the weight and feel of a real acoustic piano. Weighted keys are often recommended if you are looking to learn how to play the piano.