Discount Calculator
Quickly compute sale prices, savings and percentage discounts — perfect for shoppers and marketers.
Find the percentage difference between two values instantly
The Percentage Difference Calculator is a free online tool that computes the difference between two values in percentage form. Unlike percentage change, which compares new and old values, percent difference measures the variation relative to the average of the two numbers. This makes it useful for price comparisons, data analysis, finance and academic purposes.
Formula Used: |V1 – V2| ÷ [(V1 + V2) ÷ 2] × 100
While similar, these two terms are not the same:
Quickly compute sale prices, savings and percentage discounts — perfect for shoppers and marketers.
Estimate cost per thousand impressions and evaluate ad campaign budgets in seconds.
Compute confidence intervals for means and proportions — useful for researchers and analysts.
Find exact age (years, months, days) from date of birth — great for forms and profiles.
Estimate daily calorie needs by activity level and goals — helpful for diet planning.
Quick body-mass-index calculator with category guidance (underweight, normal, overweight, obese).