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Convert SteamID to Steam64

Convert legacy SteamID format (STEAM_X:Y:Z) to modern Steam64 format instantly

Legacy FormatSTEAM_X:Y:Zto Steam64

Try these examples:

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SteamID FormatLegacy
The original Steam ID format used by Steam

Format Structure:

STEAM_X:Y:Z
  • • X: Universe (usually 0 or 1)
  • • Y: Auth server (0 or 1)
  • • Z: Account number

Examples:

STEAM_1:0:123456STEAM_1:1:123456STEAM_0:0:999999
Steam64 FormatModern
64-bit Steam ID used by modern Steam systems

Format Structure:

765611xxxxxxxxxx
  • • Always starts with 765611
  • • 17 digits total
  • • Unique 64-bit identifier

Converted Examples:

765611980837221847656119808372218576561198000000000
How the Conversion Works
Understanding the mathematical relationship between SteamID and Steam64

Step 1

Extract Y and Z values from STEAM_X:Y:Z format

Step 2

Calculate: Account ID = Z × 2 + Y

Step 3

Add to base: 76561197960265728 + Account ID

When to Use Steam64 Format
Steam64 is the preferred format for modern applications
  • Steam Web API requests
  • Modern game servers
  • Database storage
  • Steam profile URLs
  • Third-party tools
  • Steam trading platforms
Related Steam ID Conversions
Convert between other Steam ID formats
Steam64 to SteamID
Convert modern format to legacy
SteamID to SteamID3
Convert to [U:1:X] format
Steam64 to SteamID3
Convert to modern [U:1:X] format
All Formats Converter
Convert any format to any format