How much happiness do you need for evolution in Pokemon Crystal?

Friendship evolutions in Pokemon Crystal need 220 or more friendship, then one level-up. The Goldenrod friendship rater helps you judge whether the lead Pokemon is ready.

Which Pokemon evolve by happiness in Pokemon Crystal?

Golbat, Chansey, Eevee, Pichu, Cleffa, Igglybuff, and Togepi evolve by friendship in Pokemon Crystal. Eevee becomes Espeon outside night and Umbreon at night.

Where is the friendship checker in Pokemon Crystal?

The everyday friendship checker is in Goldenrod City's Happiness Rater house. Put the Pokemon you want checked in the first party slot before talking to her.

Pokemon Crystal Happiness Evolution Guide - Friendship Checker Tool - Pokemon Crystal Map

Friendship Evolution Tool

Make Pokemon Crystal happiness evolutions happen on purpose

Raise the target Pokemon to 220 or more friendship, confirm the lead slot at Goldenrod's Happiness Rater, then level it once. For Eevee, level outside night for Espeon or at night for Umbreon.

Threshold: 220+ Range: 0-255 Trigger: level-up Checker: Goldenrod

Golbat friendship evolution starter sprite — High friendship is the gate; the next level is the switch.

Crobat friendship evolution result sprite — High friendship is the gate; the next level is the switch.

Fast Answer

Check, then level once

Friendship by itself does not evolve the Pokemon immediately. Once the target reaches 220 or more friendship, the next level-up runs the evolution check. If Goldenrod says it only "really trusts you," the Pokemon may be anywhere from 200 to 249, so one failed level-up usually means it needs a little more friendship.

Planner

Pick the evolution you want

Target Pokemon Goldenrod checker result Level-up time

Evolution List

Every happiness evolution in Crystal

Search Pokemon, result, or note

Start	Evolution	Trigger	Timing	Best next action

Saved Checklist

Before you spend a Rare Candy

Target Pokemon is in the active party Target Pokemon is in party slot one before checking Goldenrod rater gives a top band or a high trust band No recent fainting or bitter herb use on the target Eevee time window matches the branch you want You are ready to trigger one actual level-up

0 of 6 checked

Checker Bands

Goldenrod message meter

250-255Top love message: clean green light.

200-249Trust band: may still be below 220.

150-199Friendly, but not evolution-ready.

100-149Cute: keep raising friendship.

50-99Needs better care.

0-49Very low friendship.

Check

Goldenrod Happiness Rater

Use the house rater for the first-slot Pokemon. The top message is safest; the trust band may need one more boost.

Boost

Goldenrod Underground

Use haircuts when available. The older brother works Tuesday, Thursday, and Saturday; the younger brother works Sunday, Wednesday, and Friday.

Daisy grooming in Pallet Town in Pokemon Crystal

Kanto

Daisy's grooming

After reaching Pallet Town, Daisy can groom once per day for another friendship bump.

Raise Friendship

Best methods and mistakes

Walk or bikeThe party gains friendship over step cycles, so long route loops help while you do other errands.

Level up safelyNormal level-ups help, and Crystal gives a larger boost when a Pokemon levels in the place where it was caught.

Use vitamins or battle itemsVitamins give a direct boost; X items give small gains before the high band.

Use haircuts and groomingGoldenrod haircuts and Daisy's grooming are efficient daily boosts without adding levels.

Avoid bitter medicineHeal Powder, EnergyPowder, Energy Root, and Revival Herb can erase progress quickly.

Avoid avoidable faintingFainting lowers friendship; switch out or heal normally when the target is close to evolving.

At A Glance

Friendship evolution families

GolbatCrobat

EeveeEspeon

EeveeUmbreon

TogepiTogetic

ChanseyBlissey

PichuPikachu

CleffaClefairy

IgglybuffJigglypuff