Token Usage Calculator — Secure-Smart-Sync

1

How do you trigger syncs?

This determines which settings drive your operation count.

2

Settings

Match these to what you have configured in the plugin.

3

Your vault & usage

These three inputs have the biggest effect on the final estimate.

How many files are in your vault? 2,000 files

R2 paginates LIST at 1,000 objects, so larger vaults cost more per sync scan regardless of how many files changed.

<1005001K2K 5K10K20K50K+

How many hours a day do you actively use Obsidian? 4 hrs / day

Hours where Obsidian is open and you are writing. For Smart Sync this drives the faster 2-second poll rate and idle sync triggers.

1h2h3h4h 5h6h8h10h12h+

How many devices do you have connected? 2 devices

Every connected device runs its own polling loop and sync cycles. Each additional device multiplies most costs.

1234 5678

When you have multiple devices, they are typically:

Used at different times Phone in the morning, laptop in the evening — rarely both open at once. Sometimes both open together Occasionally have two devices active at the same time. Frequently used simultaneously Often working across multiple devices at the same time.

4

Your estimate

Based on your configuration. Results carry a ±40% margin — check your Cloudflare dashboard after the first week for real numbers.

Class A Write & List operations / month

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free tier: 1,000,000

Class B Read & Head operations / month

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free tier: 10,000,000

Operation breakdown all devices combined, per month

These are estimates, not guarantees Actual usage varies with editing patterns, network retries, vault structure, and other factors the calculator can't observe. Most users land comfortably within the free tier. Check your Cloudflare R2 dashboard after the first week for real figures.