List of Pokémon by weight/Game mechanics affected by weight

Weight affects the following mechanics. Note that Game Freak uses weight in kilograms for all the cutoffs and, therefore, are shown first, followed by.


 * The moves (Generation III onward) and  have a base power of 20, with an additional 20 when the target's weight is at least 10 kg (22.09 lbs.), 25 kg (55.19 lbs.), 50 kg (110.29 lbs.), 100 kg (220.59 lbs.), and 200 kg (440.9 lbs.), successively.
 * The moves and  have a base power of 120, with a subtractive 20 when the target's weight is, relative to the user's weight: ⅕-¼, ¼-⅓, ⅓-½, and >½, successively.
 * Pokémon weighing more than 20.0 kg (44.1 lbs.) are not eligible to compete in the Fancy Cup (known as the Petit Cup in Generation I).
 * Pokémon weighing more than 99.0 kg (218.3 lbs.) are not eligible to compete in the Light Cup.
 * In games in which s are available, using them modifies the catch rate of the targeted Pokémon depending on its weight (ignoring weight-changing effects).

! colspan=2 | Generation II ! colspan=2 | Generation IV ! colspan=2 | Generation VII
 * At most 102.3 kg (225.5 lbs.) || class="r" | -20
 * At most 204.7 kg (451.3 lbs.) || class="r" | -20
 * At most 99.9 kg (220.2 lbs.) || class="r" | -20
 * Between 102.4 kg (225.8 lbs.) and 204.7 kg (451.3 lbs.) || class="r" | +0
 * Between 204.8 kg (451.5 lbs.) and 307.1 kg (677.0 lbs.) || class="r" | +20
 * Between 100.0 kg (220.5 lbs.) and 199.9 kg (440.7 lbs.) || class="r" | +0
 * Between 204.8 kg (451.5 lbs.) and 307.1 kg (677.0 lbs.) || class="r" | +20
 * Between 307.2 kg (677.3 lbs.) and 409.5 kg (902.8 lbs.) || class="r" | +30
 * Between 200.0 kg (440.9 lbs.) and 299.9 kg (661.2 lbs.) || class="r" | +20
 * Between 307.2 kg (677.3 lbs.) and 409.5 kg (902.8 lbs.) || class="r" | +30
 * At least 409.6 kg (903.0 lbs.) || class="r" | +40
 * At least 300.0 kg (661.4 lbs.) || class="r" | +30
 * At least 409.6 kg (903.0 lbs.) || class="r" | +40
 * }
 * At least 409.6 kg (903.0 lbs.) || class="r" | +40
 * At least 300.0 kg (661.4 lbs.) || class="r" | +30
 * At least 409.6 kg (903.0 lbs.) || class="r" | +40
 * }
 * }


 * Since Generation V, certain visual and sound effects are applied when a Pokémon lands on the surface of a battlefield, depending on the Pokémon's weight (ignoring weight-changing effects)., , and Pokémon that float above the surface of the battlefield do not cause any such effects.
 * Small shake and high-pitched landing noise for Pokémon weighing 49.9 kg (110.0 lbs.) or less.
 * Medium shake and lower landing noise for Pokémon weighing between 50 kg (110.2 lbs.) and 149.9 kg (330.5 lbs.).
 * Heavy shake, crashing sound and dust for Pokémon weighing 150 kg (330.7 lbs.) or more.
 * In Pokémon X and Y, in the "Compare" section of the Pokédex, if the player taps a Pokémon's menu sprite, ten simplified Pokémon sprites will fly onto the screen, encircle and lift the Pokémon's model up, before dropping, with a number of them flying off the screen, with the number remaining depending on the Pokémon's weight; more Flying-type Pokémon will remain for heavier Pokémon. If the Pokémon is, , or , the Flying-type Pokémon will all disperse before even attempting to lift it.


 * From Generation VI onward, Pokémon weighing at least 200 kg (440.9 lbs.) cannot be taken into the air by another Pokémon's.