How much is a 20% tip on $100?

A 20% tip on $100 is $20. The total bill including tip is $120.

How do you calculate a 20% tip?

To calculate a 20% tip: Divide 20 by 100 to get 0.2. Multiply the bill amount ($100) by 0.2 to get $20.

$20

Total with tip: $120

Convert the percentage to a decimal

20% ÷ 100 = 0.2

Multiply by the bill amount

$100 × 0.2 = $20

Add tip to the bill

$100 + $20 = $120

Tip = $100 × 0.2 = $20 | Total = $120

Use our free tip calculator for any numbers.