Friendship Decay Calculator — Free Online Tool
At current contact rate — when do friendships effectively die?
Project when each friendship effectively dies based on current contact frequency. Dunbar-research inspired. Free.
A specific friendship
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When Will This Friendship Die?
Based on Robin Dunbar\'s friendship research (Roberts & Dunbar 2011, Dunbar 2018). Friendships need ~1-2 meaningful interactions/month to sustain. Below threshold, bonds decay over months-years. The tool gives a directional estimate — not destiny.
How to use this tool
- 1
Friend's contact frequency
Realistic count of monthly meaningful interactions.
- 2
Distance + life-stage
Drift accelerators (different city, different life-stage).
- 3
See decay timeline
When friendship effectively ends without intervention.
Frequently Asked Questions
Where's the science?
Why is this not depressing?
How accurate is the timeline?
How do I revive a decaying friendship?
Key Takeaways
- Friendship Decay Calculator is a free, browser-based calculator tool — at current contact rate — when do friendships effectively die?.
- No signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use Friendship Decay Calculator
- Open the tool: Launch Friendship Decay Calculator on Toololis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
Friendship Decay Calculator — Quick Facts
- Price
- Free — no limits, no watermarks, no paywalls
- Privacy
- 100% browser-based — no data is sent to any server
- Platform
- Any modern browser on desktop, tablet, or mobile
- Category
- Calculator Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Feature | Details |
|---|---|
| Tool | Friendship Decay Calculator |
| Category | Calculator |
| Signup Required | No |
| File Upload | None — processed in browser |
| Mobile Support | Fully responsive |
| Cost | Free forever |
Why Use Friendship Decay Calculator?
You should try Friendship Decay Calculator for a quick, private way to at current contact rate — when do friendships effectively die?. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.