Tip on $100: How Much to Tip on a $100 Bill
Not sure how much to tip on a $100 bill? Use the quick reference chart below to see tip amounts at every common percentage — from 15% to 25% — plus the total with and without tax, and per-person splits.
Tip Chart for $100 Bill
| Tip % | Tip Amount | Total (no tax) | Total (8.5% tax) |
|---|---|---|---|
| 15% | $15 | $115 | $124 |
| 18% | $18 | $118 | $127 |
| 20%Standard | $20 | $120 | $129 |
| 22% | $22 | $122 | $131 |
| 25% | $25 | $125 | $134 |
Tax calculated at 8.5% (national average). Tip calculated on pre-tax subtotal. Use the full calculator for your exact local tax rate.
Split a $100 Bill (at 20% Tip)
| People | Each Pays (no tax) | Each Pays (8.5% tax) |
|---|---|---|
| 2 people | $60 | $64 |
| 3 people | $40 | $43 |
| 4 people | $30 | $32 |
| 5 people | $24 | $26 |
| 6 people | $20 | $21 |
How to Calculate Tip on $100
The Formula
Tip = $100 × tip percentage
Total = $100 + Tip Amount
Example: 20% tip → $100 × 0.20 = $20 tip → Total: $120
Quick Mental Math for $100
Easy method: 10% of $100 = $10.00. Double it for 20% = $20. For 15%, take $10.00 and add half ($5.00) = $15.
Common Tip Amounts on a $100 Bill
- 15% tip = $15 (total $115)
- 18% tip = $18 (total $118)
- 20% tip = $20 (total $120)
- 22% tip = $22 (total $122)
- 25% tip = $25 (total $125)
For a custom tax rate or tip percentage, use our Tip and Tax Calculator. For guidance on how much to tip in different situations, see our Tipping Guide.