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Split Bill Calculator

Split a subtotal, sales tax, and tip into equal shares. Tax and tip are calculated separately from the same pre-tax subtotal.

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How Split Bill Calculator works

Tax and tip use the same subtotal, then the grand total is divided equally.

The page calculates both tax and tip from the subtotal. It adds those amounts to obtain the grand total, then divides that total equally among the entered number of people.

The tip is based on the pre-tax subtotal. Shares are equal and displayed to cents.

Conceptual diagram combining a subtotal, tax, and tip before an equal bill split.
Tax and tip share the same subtotal basis before the total is divided.

How to use Split Bill Calculator

This form separates subtotal, sales tax and tip before making equal shares.

Enter the subtotal and sharing rules

Enter the pre-tax subtotal, sales-tax percentage, tip percentage, and a whole number of people. Both percentage charges use the same subtotal. Confirm that this basis matches the bill you want to divide before applying the equal split.

Subtotal
Split Bill Calculator native input panel with the actual Subtotal, Sales tax, Tip on subtotal settings used for this example.
Configure Subtotal, Sales tax, Tip on subtotal; select Calculate.

Calculate each person’s share

Select Calculate to read the amount each person pays. The page adds tax and tip to the subtotal, then divides the grand total equally. Unequal purchases or different individual contributions need a separate allocation outside this form.

$55.00
Split Bill Calculator actual result panel showing $55.00.
Submitted result: $55.00. Sales tax: $0.00.

Review the charges and cents

Check Sales tax, Tip, and Grand total beside the share amount. The displayed shares are rounded to cents. Check that collecting those amounts covers the grand total, and retain the subtotal and percentage assumptions when explaining the split.

Sales tax
Split Bill Calculator actual sales tax region and result note after submitting the pictured settings.
Review Sales tax, Tip, Grand total in this Split Bill Calculator example. Read the result note.

Split a bill with separate sales tax and tip

Use the separate charge lines when the subtotal and percentages are known.

Divide a group meal

A hypothetical $90 subtotal, eight percent tax and eighteen percent tip totals $113.40. Three equal shares are $37.80. The tip applies to the original subtotal in this example, which makes the charge basis visible to everyone.

Abstract input values and a mathematical worksheet.
Start with the values. Concept illustration.

Compare group sizes

Leave subtotal, tax and tip unchanged and adjust the people count. The total bill stays the same while each share changes. This is useful when agreeing an equal split after someone joins or leaves the paying group.

Two calculation examples shown for comparison.
Compare a second example. Concept illustration.

Explain tax and tip separately

Review the tax and tip lines rather than combining them into one unexplained percentage. This keeps a receipt check readable. If the restaurant used a different tipping basis, calculate that amount separately before reconciling the actual amount due.

A calculation and supporting explanation represented conceptually.
Explain the calculation. Concept illustration.

Equal bill shares from a pre-tax subtotal

See how subtotal-based charges contribute to each rounded share.

Tax and tip each use the same subtotal. The calculator does not apply tip to the subtotal plus tax, and it does not infer the percentages from an existing receipt total.

Each person pays an equal part of the grand total. Money is displayed to cents, so rounded shares can differ slightly from an exact division. The group needs to settle any remaining cent outside the form.

A mathematical result connected to the values used to calculate it.
Read the result with its inputs. Concept illustration.

Avoid adding a charge twice

Check equal-share and percentage assumptions against the intended bill.

If a receipt includes service charges or an existing gratuity, decide how those amounts belong in your bill before using the form. It has percentage fields for tax and tip but no separate service charge field.

A people count must be a positive whole number. For a bill whose full total is already known and only needs a tip or split, Tip Calculator provides a simpler input basis without a separate tax rate.

Values and units reviewed before relying on a mathematical result.
Check values and units. Concept illustration.

Use Split Bill Calculator

Split a subtotal, sales tax, and tip into equal shares.

Calculate

Split Bill Calculator: common questions

Answers about using Split Bill Calculator and understanding its results.

Does the tip include sales tax?

No. This page calculates tax and tip separately from the subtotal.

Can I split unequally?

This calculator makes equal shares only.

Can tax and tip use different amounts as their base?

No. Both percentages use the subtotal in this form. Use a separate calculation if the intended bases differ.

Why might the displayed shares need an adjustment?

Per-person amounts are rounded to cents. When collecting payments, check that the final shares add up to the bill total.