Mess Bill Calculator
Split a shared hostel or flat mess bill fairly. Fixed costs (cook salary, kitchen rent) are divided equally, and food costs are divided by each member's days present. Everything runs in your browser — nothing is uploaded.
Step 1 — Monthly expenses
| Expense item | Amount |
|---|
Step 2 — Members
Enter each member's name and how many days they were present in the month.
| Name | Days present |
|---|
Step 3 — Per-person shares
| # | Name | Days | Fixed share | Food share | Total to pay |
|---|
Copyable summary
Copied.How to use
- Add each expense item (or switch to a single total) and enter any fixed shared cost.
- Add members with their names and days present.
- Click Calculate shares to see each person's amount and copy the summary.
Note: The fixed shared cost is split equally among all members. The remaining amount is split in proportion to member-days (member's days divided by total days of all members), so a member present for 15 days pays half of what a member present for 30 days pays from the food portion.
Frequently Asked Questions (FAQ)
How does the mess bill calculator split the bill?
Fixed costs are split equally among all members, and the remaining food cost is split in proportion to each member's days present, so people who ate more days pay more.
Can I enter itemized expenses instead of one total?
Yes, you can add or remove as many expense rows as you like, or switch to a single total amount if that is simpler.
What is the fixed shared cost for?
It covers costs shared equally regardless of attendance, like a cook's salary or kitchen rent, while the rest is split by member-days.
Can I copy the per-person summary?
Yes, the calculator builds a copyable per-person summary showing each member's share, with a Copy summary button that puts it on your clipboard.