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Split Bill Calculator

Splits a restaurant bill between people, adding tax and a tip calculated on either the pre-tax or post-tax total.

Calculators Nothing uploaded No sign-up Free, unlimited
Calculators tool
Enter your figures and press Calculate.
In short Split Bill Calculator is a free online tool on inputtesthub.com that splits a restaurant bill between people, adding tax and a tip calculated on either the pre-tax or post-tax total. It needs no account, no download and no payment, and there is no daily usage limit. Everything is processed inside your own browser, so the data you paste is never uploaded to a server.

How to use the Split Bill Calculator

  1. Enter your figures in the input fields.
  2. The result updates as you type, together with the full working.
  3. Check the breakdown table to see exactly how the number was reached.

About the Split Bill Calculator

The Split Bill Calculator splits a restaurant bill between people, adding tax and a tip calculated on either the pre-tax or post-tax total. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.

What people use it for

  • Settling a group meal fairly.
  • Working out a tip without doing mental arithmetic.
  • Seeing how much rounding up collects.

Details

Tip baseDiffers by country
Rounding upCovers the awkward coins
Tax then tipCosts more than tip then tax

The maths behind it

This tool uses Total = bill + tax + tip, where the tip is a percentage of either the pre-tax or post-tax figure. Each share is the total divided by the number of people. Every intermediate value is shown on screen, so the result can be checked by hand.

Whether a tip goes on the pre-tax or post-tax figure is a real difference on a large bill with high sales tax, and the convention differs by country.

Frequently asked questions

Are there any usage caps on the Split Bill Calculator?
No charge and no sign-up. There is no free tier to run out of because there is no paid tier — inputtesthub.com is funded by advertising rather than by metering the page.
Is what I paste into the Split Bill Calculator stored?
No. The Split Bill Calculator runs entirely in your browser using JavaScript. Because the work happens locally, the page also keeps working if your connection drops, and closing the tab is all it takes to discard everything.
Can I check the maths myself?
It uses Total = bill + tax + tip, where the tip is a percentage of either the pre-tax or post-tax figure. Each share is the total divided by the number of people. The full working is printed under the result, so you can follow every step rather than trusting a black box.
Who is the Split Bill Calculator for?
In practice it gets used for three things: settling a group meal fairly. Working out a tip without doing mental arithmetic. Seeing how much rounding up collects. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
Is there anything to watch out for?
Whether a tip goes on the pre-tax or post-tax figure is a real difference on a large bill with high sales tax, and the convention differs by country.
Which values should I know?
Tip base is Differs by country. Rounding up is Covers the awkward coins. Tax then tip is Costs more than tip then tax. These are printed on the page itself, so you do not have to take them on trust.
Is the number rounded?
The calculation runs in double precision and the result is shown to ten significant figures, so converting a value and converting it back returns the original. What is displayed is rounded for readability; what is copied is not.

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