Cloudflare D1 Storage & Cost Calculator

1. Price Change Rate / Product / Month 3.0 / mo

2. Time Passing (Weeks) 52 wks (~12.0 mos)

Pharmacies (Default: 7 chains) Products / Pharmacy Cloudflare D1 Sync Mode

Monthly Cloudflare Bill

$5.00

$5 base + $0.00 overage

Total D1 Database Size

128.8 MB

Main: 72.8 MB · History: 56.0 MB

Main + Sub-table Rows

140k + 1.82M

~13.0 history rows / product

D1 Writes / Month

2.10M

4.2% of 50M included quota

Included Paid Storage (5 GB / mo included, then $0.75/GB-mo) 0.13 / 5.00 GB

Single D1 Database Hard Limit (10 GB max per DB) 0.13 / 10.00 GB

Monthly D1 Row Writes (50M / mo included, then $1.00 / 1M) 2.10M / 50.00M

Database Growth Trajectory (Week 1 → Week 52) Blue: DB Size (GB) · Red line: 5 GB Included · Dashed: 10 GB Single-DB Limit

Assumptions from measured SQLite benchmarks on this crawler schema:

Base context: 7 Malaysia pharmacy chains (Watsons, AA, Guardian, Alpro, Caring, Sunway, BIG) × 20,000 SKUs = 140,000 main products.
Measured footprint: 520 bytes per main product (+ 1st snapshot + indexes) and 133 bytes per price change event (83 B price_snapshots + index + 50 B price_changes).
D1 Workers Paid ($5/mo) includes 5 GB storage (+$0.75/GB-mo), 50M writes/mo (+$1/1M), 25B reads/mo, and up to 100,000 databases (max 10 GB per single database).