Tip & Restaurant Bill Splitter
Calculate tip percentages, sales tax, round up totals, and split the final restaurant bill among friends evenly.
Configurable Calculation Inputs
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Bill Subtotal ($): number (Default: 120 $)
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Tip Percentage: slider (Default: 18 %)
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Number of People Splitting: number (Default: 4 people)
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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.