Album Unit Forecaster & Billboard 200 Simulator

Calculate weekly Equivalent Album Units (EAU) across Pure Sales, Paid Streaming (SEA-1), Ad-Supported / Video (SEA-2), and Track Sales (TEA). Benchmark chart positioning against real Billboard 200 cutoff distribution tiers and forecast 52-week RIAA milestone decay curves.

Presets:

Weekly Consumption Inputs Week 28

Artist & Album Title

Pure Album Sales (Vinyl, CD, Digital DL) 6,200

1 physical or full-album download = 1.00 Album Unit

On-Demand Audio Streams (Paid Tier) 31,000,000

SEA Tier 1: 1,250 subscription streams = 1 Album Unit

Ad-Supported Streams & YouTube (Free Tier) 7,500,000

SEA Tier 2: 3,750 ad-supported streams = 1 Album Unit

Individual Track Downloads (TEA) 3,000

TEA: 10 track downloads = 1 Album Unit

Prior Cumulative Prior units before this tracking week

Active Week Weeks on chart

Streaming Retention / Decay Rate 96.5% / wk

Weekly week-over-week momentum factor (>100% means surging)

Weekly Total Units

33,300

6.2k Pure • 26.8k SEA • 300 TEA

Billboard 200 Tier

#9 (+1)

Estimated Top 10 tier [30k - 38k]

Cumulative Total

2,322,300

2× RIAA Platinum Certified

Next Certification

3× Platinum

677k to 3M (~24 weeks at pace)

52-Week Cumulative Trajectory & RIAA Milestones

Modeled unit velocity across 52 weeks based on current retention rate

Cumulative Units

RIAA Platinum Milestones (1M / 2M / 3M)

Scrubbed Point: Week 28 — Weekly: 33,300 | Cumulative: 2,322,300

Hover or tap points on chart to inspect

Weekly Unit Composition Breakdown Pure: 18.6% • Audio SEA: 74.5% • Ad/Vid SEA: 6.0% • TEA: 0.9%

Component	Raw Activity	Industry Formula	EAU Units	Share
Pure Sales	6,200 purchases	1 sale = 1.0 unit	6,200	18.6%
Paid Streaming (SEA 1)	31,000,000 streams	1,250 streams = 1.0 unit	24,800	74.5%
Ad/Video Streaming (SEA 2)	7,500,000 streams	3,750 streams = 1.0 unit	2,000	6.0%
Track Downloads (TEA)	3,000 track DLs	10 downloads = 1.0 unit	300	0.9%
Total Equivalent Units	38.5M streams + 6.2k albums + 3k tracks		33,300	100.0%

Ready. State recalculates on input.

Official Chart Equivalency Ratios & Estimation Mechanics

Billboard 200 calculations follow the post-2018 multi-tier streaming framework implemented by Luminate (formerly SoundScan) in collaboration with the RIAA:

Streaming Tier Split (SEA)

Paid subscription audio streams (Spotify Premium, Apple Music, Tidal) require 1,250 streams to equal one album unit. Free ad-supported audio (Spotify Free) and programmed/video streams (YouTube official videos) require 3,750 streams per album unit.

Track Equivalent Albums (TEA)

The TEA ratio converts individual digital track sales from the album into album unit equivalents. Exactly 10 digital track downloads (e.g. via iTunes or Amazon Music) count as one album unit on the Billboard 200.

RIAA Milestone Thresholds

Cumulative units determine US certifications: Gold (500,000 units), Platinum (1,000,000 units), and Multi-Platinum at each subsequent million increment. Streaming units retroactively count toward lifetime award eligibility.