When to use the WARIKAN Calculator
- After-work drinks where one card covers the tab and you settle in Slack later.
- Roommates sharing groceries or utilities with uneven prepayments.
- Trips where different people paid hotels, meals, or tickets upfront.
Steps (3)
Create a WARIKAN page in seconds
Add the bill total, member names, and amounts each person paid toward the bill. Roles like treasurer or guest are optional.
Share the link—no login for anyone
Copy the URL into your group chat. Participants vote with their eyes, not accounts: open, read, done.
Use the transfer list to settle
coris split minimizes “who pays whom” lines. Mark items paid if you like; actual transfers happen outside the tool.
What to enter
- Receipt total from the restaurant or store
- Each member’s name and how much they paid toward that total
- Guest role for someone who did not consume (¥0 share)
- Treasurer if one person should collect paybacks first
What you get
- Fair per-person share based on participants
- Minimal “who pays whom” transfer lines
- A stable URL everyone can reopen on mobile or desktop
Share in one tap
Create the page, copy the link, drop it in LINE or WhatsApp. Recipients need no account—perfect for international friends learning WARIKAN for the first time.
No money transfers (memo only)
coris split calculates shares and who should pay whom. It does not send bank transfers, PayPal, or Venmo. Use the table as a settlement memo and pay each other offline.
FAQ
Why call it a WARIKAN calculator?
WARIKAN is the Japanese word for fair bill splitting. This calculator shows shares and payback lines from real payments—not just equal division.
Does it work for travel or office lunch?
Yes. Use it after team lunches, trips, or any group expense where someone paid upfront for others.
Is it free?
Yes. Create and share settlement pages at no cost. No signup wall.
Related guides
To schedule the next outing or trip, use coris meet
To vote on a restaurant or destination, use coris decide