20% Tip on $85

To calculate a 20% tip on $85, multiply the bill amount by 0.20:

$85 × 0.20 = $17.00

Add the tip to the original bill to get the total:

$85 + $17.00 = $102.00

Quick mental math tip: Move the decimal one place left to get 10% ($8.50), then double it.

Standard tipping in the United States ranges from 15% to 25% at restaurants. Here is a general guide:

• 15% — Acceptable for adequate service
• 18% — Standard for good service
• 20% — Most common tip; standard for great service
• 25%+ — Exceptional service or fine dining

For a $85 bill, tips typically range from $12.75 (15%) to $21.25 (25%).