Tip & Restaurant Bill Splitter

Calculate tip percentages, sales tax, round up totals, and split the final restaurant bill among friends evenly.

Configurable Calculation Inputs

  • Bill Subtotal ($): number (Default: 120 $)
  • Tip Percentage: slider (Default: 18 %)
  • Number of People Splitting: number (Default: 4 people)
  • Round Up Total Bill to Nearest Dollar: select (Default: no)

Mathematical Formula: Restaurant Bill & Gratuity Allocation

Per Person = [ Bill Amount * (1 + Tip Rate) + Tax ] / Number of Guests

Computes fair tip amounts, discretionary rounding to whole dollars, and per-guest shares.

Comprehensive Guide & Context

Standard US Restaurant Gratuity Tiers

15% is standard for adequate service, 18-20% for good/excellent service, and 22%+ for exceptional dining experiences.

Worked Calculation Examples

Dinner for 4 with 20% Tip

$150 bill split between 4 friends with a 20% tip.

Result: $45.00 Per Person ($180 total)

Frequently Asked Questions

Should you tip on the pre-tax or post-tax amount?

Traditional etiquette recommends tipping on the pre-tax subtotal of food and beverage items rather than the government sales tax portion.

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