MapleStory: Idle RPGJPIdle RPG Weapon Summoning Chance Calculator

Interactive tool on MPStorys
Idle RPG Weapon Summoning Chance Calculator probability planner
Use the verified in-game rate for your region, then calculate cumulative outcomes without leaving MPStorys.
Chance of at least one success
63.4%
Expected successes
1
Planned total cost
0
Attempts for 90% chance
230
Uses independent-attempt probability: 1 − (1 − p)ⁿ. Enter the current official rate; MPStorys does not guess or freeze game rates.
How this on-site tool works
Calculates weapon-tier acquisition probability by summon level and rolls, plus ticket counts for target confidence levels.
Verified resource information
What this official resource covers
- Calculator: Weapon Summoning Chance is maintained by MapleStory Idle RPG Wiki.
- MPStorys indexes it as calculator content for global.
- Verified topics: probability, summoning, tickets, weapons.
Availability
- Published languages: en.
- Mobile support: responsive.
- The indexed page is publicly readable without signing in.
Verification record
- Source status: active; last checked 2026-07-25.
- Verified source: https://idle.maplestorywiki.net/w/Calculator%3AWeapon_Summoning_Chance
More from this series
This Tools entry belongs to MapleStory: Idle RPG. Related pages below keep this series separate from other MapleStory games.
Source and verification
MPStorys keeps an original summary and structured facts on this site. The first-party page remains attached as a citation for dates, rules, and later corrections.
MapleStory Idle RPG Wiki