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How to Calculate Tip on a Bill: Quick Methods & Charts

Fastest method: move the decimal left to get 10%, then scale up. 20% on $85 = move decimal ($8.50), then double = $17. Full chart and splitting guide inside.

The Decimal Method

Move the decimal left to find 10%. $67 bill = $6.70.

15% = $6.70 + $3.35 = $10.05. 20% = $6.70 x 2 = $13.40.

Tip Chart

Bill15%18%20%25%
$30$4.50$5.40$6.00$7.50
$50$7.50$9.00$10.00$12.50
$75$11.25$13.50$15.00$18.75
$100$15.00$18.00$20.00$25.00
$150$22.50$27.00$30.00$37.50
$200$30.00$36.00$40.00$50.00

Splitting With Tip

(Bill x 1.tip%) / people

Example: $120 bill, 20% tip, 4 people = $120 x 1.20 / 4 = $36 each

Calculate exact tip and split for any bill.

Tip Calculator