Uneven Bill Split Calculator
Split a bill by what each person actually ordered.
Enter your values
Enter the person a's items in $.
Enter the person b's items in $.
Enter the tax rate in %.
Enter the tip rate in %.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Person A owes
- $44.1
- Person B owes
- $25.2
- Total bill with tax & tip
- $69.3
- Subtotal
- $55
Quick answer
Each person's share is their item total plus a proportional slice of tax and tip based on what they ordered.
share = item total x (1 + tax rate + tip rate)
At a glance
| What it does | Split a bill by what each person actually ordered. |
|---|---|
| Category | Everyday |
| Inputs needed | Person A's items, Person B's items, Tax rate, Tip rate |
| Main output | Person A owes |
| Formula | share = item total x (1 + tax rate + tip rate) |
| Cost | Free — no sign-up, no download |
How to use the Uneven Bill Split Calculator
- 1Enter what each person's items cost before tax and tip.
- 2Enter the tax rate and tip percentage.
- 3Each person pays their item cost plus their proportional share of tax and tip.
Inputs explained
- Person A's items($)
- Enter the person a's items in $.
- Person B's items($)
- Enter the person b's items in $.
- Tax rate(%)
- Enter the tax rate in %.
- Tip rate(%)
- Enter the tip rate in %.
Worked example
Using the values the calculator loads with:
Inputs
- Person A's items35 $
- Person B's items20 $
- Tax rate8 %
- Tip rate18 %
Results
- Person A owes$44.1
- Person B owes$25.2
- Total bill with tax & tip$69.3
- Subtotal$55
Frequently asked questions
Is this fairer than splitting evenly?
Yes — this method charges each person for what they actually ordered instead of averaging the whole bill.
Can I add more people?
Yes, repeat the same multiplier calculation for each additional person's item subtotal.
What do I need to enter into the Uneven Bill Split Calculator?
Just 4 values: person a's items, person b's items, tax rate, tip rate. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Uneven Bill Split Calculator work out the answer?
Each person's share is their item total plus a proportional slice of tax and tip based on what they ordered. It applies the formula share = item total x (1 + tax rate + tip rate) and shows the working so you can check each step by hand.
Is the Uneven Bill Split Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.