How It Works Under the Hood
The weighted rent algorithm divides total rent into communal space (shared equally) and private bedrooms. Private rooms are weighted by actual square footage and adjusted by perks (+15% for private bathroom, +5% for balcony).
Step-by-Step Instructions
Enter total monthly apartment rent and shared utility costs.
Add each roommate with their bedroom square footage.
Check specific room perks (private bathroom, private balcony).
Review the automatically balanced fair rent breakdown.
Key Features & Performance
- Balanced zero-sum algorithm: Room sums always equal total rent perfectly
- Weighted bonuses for en-suite bathrooms and balconies
- Exportable summary card for WhatsApp and group chats
Local Browser Processing & Privacy
Traditional web converters upload your documents, snippets, or media files to remote servers. Fair Roommate Rent & Bill Splitter runs inside your browser tab:
Your input text and files are processed locally without uploading payloads to a processing server.
Microdeck does not log or store the files or inputs you paste into tool workspaces (normal static hosting/CDN requests still load page assets).
Working outputs stay in your browser tab and are released when you reset the tool or close the tab.
Frequently Asked Questions
How does square footage calculation work?
A portion (typically 30-50%) of total rent is designated for shared communal areas and split equally. The remainder is distributed proportional to bedroom square footage and perk weights.
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