Tip amount:
$$
T = B \times \frac{p}{100}
$$Total bill:
$$
T_{total} = B + T = B \left(1 + \frac{p}{100}\right)
$$Per-person share (split evenly):
$$
S = \frac{T_{total}}{n}
$$Where:
$$
B = \text{bill before tip}, \quad p = \text{tip percentage}, \quad n = \text{number of people}
$$
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<!-- Tip Calculator from CalculateQuick.com -->
<iframe src="https://calculatequick.com/embed/tip-calculator/" width="100%" height="600" style="border:none;" referrerpolicy="no-referrer-when-downgrade" title="Tip Calculator"></iframe>
<p style="font-size:14px;text-align:center;margin-top:8px;"><a href="https://calculatequick.com/everyday-life/tip-calculator/">Tip Calculator</a> by <a href="https://calculatequick.com">CalculateQuick</a></p>
CalculateQuick. "Tip Calculator." Accessed March 29, 2026. https://calculatequick.com/everyday-life/tip-calculator/.
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How to Calculate a Tip
Calculating a tip is straightforward. Take the bill amount and multiply it by your chosen tip percentage, expressed as a decimal. For a 15% tip on a £50 bill: £50 × 0.15 = £7.50, making the total £57.50.
When splitting between multiple people, divide the total (bill plus tip) by the number of diners. This calculator handles all of that automatically, including custom percentages for when the standard options don’t fit.
Standard Tipping Percentages
Tipping norms vary significantly by country. In the UK, 10–15% is considered standard for table service. In the US, 15–20% is the norm, with 25% for exceptional service. Many countries in Europe include a service charge, making additional tips optional. In Japan and South Korea, tipping is generally not practised and can even be considered rude.
The Formula
The tip calculation uses a simple formula:
Tip = Bill Amount × (Tip Percentage ÷ 100)
Total = Bill Amount + Tip
Per Person = Total ÷ Number of People
