🧾 Bill Split Calculator
Split rent, groceries, or any shared bill unevenly — by exact amount or by percentage.
How This Works
Enter each person's share as a percentage of the total (for example, a bigger room in a shared rental might justify a 40% vs 30% vs 30% split instead of a plain three-way even split). The percentages should add up to 100% — this calculator warns you if they don't.
Frequently Asked Questions
Why would roommates split a bill unevenly instead of evenly?
Uneven splits are common when roommates have different-sized bedrooms, private bathrooms, or use shared
resources differently. Agreeing on percentages upfront avoids disputes later.
Guide: understanding your result
- Fair splitting: add tax and tip, then divide evenly — or split by what each person ordered when orders differ a lot.
- Many diners calculate the tip on the pre-tax subtotal.
- Round up per-person shares slightly so the group does not come up short.
Worked example
A $180 subtotal with 8.75% tax ($15.75) and a 20% tip on the subtotal ($36.00) totals $231.75, or $57.94 each for four people.
Common mistakes to avoid
- Forgetting tax when splitting by items.
- Double-tipping when a service charge is already included on the bill.
Frequently asked questions
Should the tip be on the pre-tax or after-tax total?
Either is common; tipping on the pre-tax amount is a widely used convention. Check whether a service charge has already been added.
Examples are calculated live from the same data the calculator uses and are for education only — they are not financial, tax or investment advice.
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See all →✔ Reviewed by GelirLab Editöryal Ekibi · How we check our calculators