GO type chart

Pokémon GO multipliers: super effective ×1.6, not very effective ×0.625, "immune" ×0.39.

atk ↓ / def →
normal						0.6		0.39	0.6
fighting	1.6		0.6	0.6		1.6	0.6	0.39	1.6					0.6	1.6		1.6	0.6
flying		1.6				0.6	1.6		0.6			1.6	0.6
poison				0.6	0.6	0.6		0.6	0.39			1.6						1.6
ground			0.39	1.6		1.6	0.6		1.6	1.6		0.6	1.6
rock		0.6	1.6		0.6		1.6		0.6	1.6					1.6
bug		0.6	0.6	0.6				0.6	0.6	0.6		1.6		1.6			1.6	0.6
ghost	0.39							1.6						1.6			0.6
steel						1.6			0.6	0.6	0.6		0.6		1.6			1.6
fire						0.6	1.6		1.6	0.6	0.6	1.6			1.6	0.6
water					1.6	1.6				1.6	0.6	0.6				0.6
grass			0.6	0.6	1.6	1.6	0.6		0.6	0.6	1.6	0.6				0.6
electric			1.6		0.39						1.6	0.6	0.6			0.6
psychic		1.6		1.6					0.6					0.6			0.39
ice			1.6		1.6				0.6	0.6	0.6	1.6			0.6	1.6
dragon									0.6							1.6		0.39
dark		0.6						1.6						1.6			0.6	0.6
fairy		1.6		0.6					0.6	0.6						1.6	1.6

normal

Strong vs:: —
Weak vs:: rock, ghost, steel
Vulnerable to:: fighting

fighting

Strong vs:: normal, rock, steel, ice, dark
Weak vs:: flying, poison, bug, ghost, psychic, fairy
Vulnerable to:: flying, psychic, fairy

flying

Strong vs:: fighting, bug, grass
Weak vs:: rock, steel, electric
Vulnerable to:: rock, electric, ice

poison

Strong vs:: grass, fairy
Weak vs:: poison, ground, rock, ghost, steel
Vulnerable to:: ground, psychic

ground

Strong vs:: poison, rock, steel, fire, electric
Weak vs:: flying, bug, grass
Vulnerable to:: water, grass, ice

rock

Strong vs:: flying, bug, fire, ice
Weak vs:: fighting, ground, steel
Vulnerable to:: fighting, ground, steel, water, grass

bug

Strong vs:: grass, psychic, dark
Weak vs:: fighting, flying, poison, ghost, steel, fire, fairy
Vulnerable to:: flying, rock, fire

ghost

Strong vs:: ghost, psychic
Weak vs:: normal, dark
Vulnerable to:: ghost, dark

steel

Strong vs:: rock, ice, fairy
Weak vs:: steel, fire, water, electric
Vulnerable to:: fighting, ground, fire

fire

Strong vs:: bug, steel, grass, ice
Weak vs:: rock, fire, water, dragon
Vulnerable to:: ground, rock, water

water

Strong vs:: ground, rock, fire
Weak vs:: water, grass, dragon
Vulnerable to:: grass, electric

grass

Strong vs:: ground, rock, water
Weak vs:: flying, poison, bug, steel, fire, grass, dragon
Vulnerable to:: flying, poison, bug, fire, ice

electric

Strong vs:: flying, water
Weak vs:: ground, grass, electric, dragon
Vulnerable to:: ground

psychic

Strong vs:: fighting, poison
Weak vs:: steel, psychic, dark
Vulnerable to:: bug, ghost, dark

ice

Strong vs:: flying, ground, grass, dragon
Weak vs:: steel, fire, water, ice
Vulnerable to:: fighting, rock, steel, fire

dragon

Strong vs:: dragon
Weak vs:: steel, fairy
Vulnerable to:: ice, dragon, fairy

dark

Strong vs:: ghost, psychic
Weak vs:: fighting, dark, fairy
Vulnerable to:: fighting, bug, fairy

fairy

Strong vs:: fighting, dragon, dark
Weak vs:: poison, steel, fire
Vulnerable to:: poison, steel