Tip Calculator & Bill Splitter
How much should I tip, and what does each person owe?
Single calculationv1.0.0Verified 2026-11-01Runs in your browser
Spec sheet
tip_split · v1.0.0Method
Tip on subtotal, split evenly
- 01
tip = (bill − tax if tipping pre-tax) × tip % - 02
total = bill + tip - 03
per person = total ÷ people (rounded up to the cent if chosen)
Limits — read before relying on it
- Even split only; itemised splits are not supported.
Sources
- Percentage arithmeticformula
Worked example
computed by the same formula$120, 18 %, 3 people
Inputs
- Bill total
- 120
- Tip
- 18 %
- Split between
- 3 people
- Tax included in the bill (to tip pre-tax)
- 0
- Round each share up to a whole dollar
- No
Result
- Each person pays
- $47.20
- Tip
- $21.60
- Total with tip
- $141.60
Questions
How is the tip calculator & bill splitter calculated?
›
Tip on subtotal, split evenly. tip = (bill − tax if tipping pre-tax) × tip % · total = bill + tip · per person = total ÷ people (rounded up to the cent if chosen)
Example: $120, 18 %, 3 people?
›
Each person pays: $47.20; tip: $21.60.
What does this calculator not cover?
›
Even split only; itemised splits are not supported.
Where do the numbers come from?
›
Sources: Percentage arithmetic. The formula is versioned (tip_split v1.0.0) and covered by automated tests.
Is my data stored?
›
No. The calculation runs in your browser and nothing is sent unless you choose to save a shareable link.
Also searched astip calculator · split the bill · how much to tip · 18 percent tip · bill splitter · tip on 120 dollars