← Percentage Calculator
20% Tip on $45
A 20% tip on a $45 bill is $9.00, making the total $54.00. Quick tip calculator with split options.
Answer
$9.00 tip / $54.00 total
📐 Formula
Tip = $45 × 20% = $45 × 0.2🧮 Step-by-Step
- Start with bill amount: $45
- Calculate tip: $45 × 0.2 = $9.00
- Add to bill: $45 + $9.00 = $54.00
- Per person (2 people): $27.00 each
❓ Frequently Asked Questions
How much is a 20% tip on $45?
A 20% tip on $45 is $9.00, making the total $54.00.
What is a good tip percentage?
15% is considered standard for adequate service, 18-20% for good service, and 25%+ for excellent service in the US.
How do I calculate tip quickly?
Quick trick: find 10% by moving the decimal, then adjust. For 15%, add half of 10%. For 20%, double 10%.
🔗 Related Calculations
🧮 Need a Custom Calculation?
Use our full interactive calculator for any values.
Open Percentage Calculator →