Percentage Formula:
From: | To: |
Definition: This calculator determines the monetary value of a specified percentage of a given amount in British Pounds (GBP).
Purpose: It helps with financial calculations such as discounts, tips, taxes, commissions, and other percentage-based monetary calculations.
The calculator uses the formula:
Where:
Explanation: The percentage is divided by 100 to convert it to a decimal, then multiplied by the amount to get the result.
Details: Accurate percentage calculations are essential for financial planning, budgeting, shopping discounts, service tips, and business transactions.
Tips: Enter the percentage value (without % sign) and the amount in GBP. Both values must be ≥ 0.
Q1: How do I calculate a 20% tip on £50?
A: Enter 20 in percentage and 50 in amount. The result will be £10.00.
Q2: What's the VAT amount on £200 at 20%?
A: Enter 20 in percentage and 200 in amount. The result will be £40.00.
Q3: How to find 15% off a £120 item?
A: Enter 15 in percentage and 120 in amount. The discount amount is £18.00.
Q4: Can I calculate reverse percentages?
A: No, this calculator only finds X% of an amount. For "£30 is what % of £150?" you'd need a different tool.
Q5: Does this handle negative values?
A: No, both percentage and amount must be zero or positive numbers.