How much is a 15% tip on $30?

A 15% tip on $30 is $4.50. The total bill including tip is $34.50.

How do you calculate a 15% tip?

To calculate a 15% tip: Divide 15 by 100 to get 0.15. Multiply the bill amount ($30) by 0.15 to get $4.50.

$4.50

Total with tip: $34.50

Convert the percentage to a decimal

15% ÷ 100 = 0.15

Multiply by the bill amount

$30 × 0.15 = $4.50

Add tip to the bill

$30 + $4.50 = $34.50

Tip = $30 × 0.15 = $4.50 | Total = $34.50

Use our free tip calculator for any numbers.