What is the difference between markup and margin?

Markup is the percentage added to the cost price to determine the selling price ((Profit / Cost) * 100). Profit margin is the percentage of the selling price that is profit ((Profit / Selling Price) * 100). For example, a 100% markup on a $50 cost results in a $100 selling price, which is a 50% profit margin.

How do stacked shopping discounts work?

When using two discounts (such as 20% storewide + 10% coupon), the second discount applies to the already discounted price, not the original retail price. A $100 item with 20% off becomes $80; an additional 10% off $80 saves $8, bringing the final price to $72 (an effective 28% total discount, rather than 30%).

100% In-Browser • Zero Server Egress

Percentage & Discount Calculator

Q: How do you calculate percentage increase or decrease?

To find percentage change, subtract the initial value from the new value, divide the result by the absolute initial value, and multiply by 100: ((New - Initial) / Initial) * 100. A positive result is an increase, while a negative result represents a decrease.

Fast, private mathematical solvers for everyday percentage queries, shopping sales with stacked coupons, business markup vs margin, and bill tips.

Currency Symbol:

Decimal Precision:

1. Percentage of a Value

What is % of ?

Result: $12.00

2. Value as Percentage of Whole

is what % of ?

Percentage: 20.00%

3. Percentage Change (Increase / Decrease)

From to is what % change?

Change: +50.00%

4. Calculate Base Value

is % of what number?

Base Value: $150.00

Sale & Coupon Details

Original Retail Price

Primary Store Discount (%)

Additional Stacked Coupon (%) [Optional]

Sales Tax / VAT (%) [Optional]

Final Price to Pay
$87.48

              You save $39.00 (32.5% off)
            
                Effective Total Discount:
                32.5%
              
                Estimated Sales Tax:
                $6.48
              
Show step-by-step breakdown

Cost & Profit Pricing

Unit Cost of Goods (COGS)

Target Pricing Metric

Rate Percentage (%)

Recommended Selling Price
$63.00

                Gross Profit per Unit:
                $18.00
              

                Markup on Cost:
                40.0%
              

                Gross Profit Margin:
                28.6%
              
Show step-by-step formula

Dining Bill & Tip

Bill Subtotal

Tip Percentage (%)

Number of People Splitting

Total Per Person
$37.37

                Tip Per Person:
                $5.70
              
                Total Bill (with Tip):
                $112.10
              
                Total Tip Amount:
                $17.10

Frequently Asked Questions

How do you calculate percentage increase or decrease?

Subtract the initial value from the final value, divide by the initial value, and multiply by 100: ((New - Old) ÷ Old) × 100. A positive number indicates a percentage increase, while a negative number indicates a decrease.

What is the difference between markup and profit margin?

Markup is the percentage added to the cost price: (Profit ÷ Cost) × 100. Margin is the percentage of the final selling price that is profit: (Profit ÷ Selling Price) × 100. A product bought for $50 and sold for $100 has a 100% markup, but a 50% profit margin.

How do stacked shopping coupons calculate?

Stacked discounts apply sequentially rather than additively. A 20% discount plus an extra 10% coupon on a $100 item reduces the price to $80 first, and then subtracts 10% of $80 ($8), resulting in a $72 price (effective 28% total discount, not 30%).