Album Units & Chart Trajectory Studio

Decompose weekly Billboard 200 Album Equivalent Units (EAU), project life-cycle decay curves, and forecast RIAA Gold & Platinum milestones from streaming and sales metrics.

Release Parameters

Artist Name

Album Title

Current Rank # on BB200

Rank Change vs last wk

Peak Position

Chart Week #

Weekly Unit Breakdown

Pure Album Sales (Physical + Digital)

Paid Premium Audio Streams 1,250 streams = 1 SEA

Ad-Supported / Video Streams 3,750 streams = 1 SEA

Track Downloads (TEA) 10 tracks = 1 TEA

Prior Cumulative Units Before This Week

Weekly Decay Retention Rate 82%

Projected weekly hold factor for streaming & catalog longevity.

CHART BULLETIN POST GENERATOR

Billboard 200: #8(-1) Rod Wave, Don’t Look Down 34,000 (175,000 units since release). *peak: #1*

Weekly Units

34,000

Current Week EAU

Cumulative Units

175,000

35.0% to Gold

Chart Position

-1 this week

Gold Target (500k)

~14 wks

At 82% retention

Pure Sales (Physical + DL)

2,500

Streaming Units (SEA)

31,000

Track Downloads (TEA)

500

Multi-Week Consumption Curve & Certification Projections

Historic weekly tracking (solid) • Modeled future retention curve (dashed)

              Peak: #1 • Week 5
            

12-Week Trajectory Forecast & Milestones

Week	Weekly Units	Cumulative	Status	RIAA Milestone

Ready. Change any parameter or choose a preset to recalculate.

Billboard 200 & Luminate Calculation Standards

Under official Billboard 200 / Luminate rules instituted since 2018, album units are synthesized across three distinct consumption vectors:

Pure Album Sales: Physical CD, Vinyl LP, Cassette, and full digital album purchases (1:1 ratio).
On-Demand Audio Streams (SEA Tier 1): 1,250 premium subscription streams (Spotify Premium, Apple Music, TIDAL) = 1 Album Unit.
Ad-Supported & Video Streams (SEA Tier 2): 3,750 free audio and video streams (YouTube, Spotify Free) = 1 Album Unit.
Track Equivalent Albums (TEA): 10 individual permanent digital song downloads = 1 Album Unit.

Frequently Asked Questions

How is the weekly decay / retention rate applied?

Post-debut releases follow an exponential decay curve. Front-loaded albums (heavy pure sales/preorders) experience steeper drop-offs (60-70% retention), whereas streaming-dominated albums with viral momentum often sustain 80-92% weekly unit holds.

What are the official RIAA certification thresholds?

In the United States, the Recording Industry Association of America (RIAA) awards Gold at 500,000 units, Platinum at 1,000,000 units, and Multi-Platinum for every additional 1,000,000 units.

Can this tool process custom artist catalog releases?

Yes. Enter any custom stream counts, pure purchases, prior cumulative units, and hold factors into the parameter panel to generate real-time projections and announcement posts.