How it works
Each share = shared bill × individual income / sum of incomes. Round down to whole cents and allocate remaining cents to the largest fractional remainders, preserving the total.
Input definitions
- CSV: person,monthly take-home income
- Plain text; maximum 200,000 characters.
- Total shared bill
- Enter the value in the labeled unit.
A worked example
- CSV: person,monthly take-home income
- person,income Alex,3000 Sam,2000
- Total shared bill
- 1000
Assumptions & limits
Single-currency illustration using your entered amounts and rates, not a recommendation, approval or forecast. No automatic tax rules or market data.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-17. Content checked against the stated method and examples. Our verification approach.
Common questions
Does an income-based bill split mean everyone pays the same amount?
No. It assigns the same proportion of the shared bill as each person’s proportion of combined income. Agree which income measure and costs to include first.
How does Split shared bills in proportion to income work?
Each share = shared bill × individual income / sum of incomes. Round down to whole cents and allocate remaining cents to the largest fractional remainders, preserving the total.
What are the limits of Split shared bills in proportion to income?
Single-currency illustration using your entered amounts and rates, not a recommendation, approval or forecast. No automatic tax rules or market data.
How do I keep the full worksheet?
Run the tool and choose Download file. The on-page table is a preview and may show only the first 20 rows; the downloaded file contains the full result. CSV downloads escape spreadsheet formula prefixes. Inputs and files are processed on your device.