Content is loading…
5-in-1 percentage calculator: X% of Y, increase/decrease, discount.
15% of 200
30
(15 / 100) × 200 = 30
All the common percentage calculations in one place. Compute X% of a number, what percentage X is of Y, percentage increase/decrease between two values, percentage discount, and reverse percentages. Live updates as you type.
This 5-in-1 percentage calculator simplifies everyday math by combining common operations like finding X% of a number, calculating percentage increase or decrease, and determining discounts into a single interface. It provides live updates as you type, allowing for rapid calculations without manual formula entry. Because it runs instantly in the browser with no signup required, it offers a quick and frictionless experience for standard numerical tasks.
Good to know: This tool is designed for standard arithmetic and percentage calculations; users requiring advanced statistical analysis or complex financial modeling will need a specialized application.
Quickly calculate percentage values, increases, decreases, and discounts using this versatile 5-in-1 math tool.
Select your desired calculation type
Choose from five options including X% of Y, percentage change, or discount calculations based on your specific math needs.
Enter the initial numeric values
Input the numbers or percentages into the designated fields. The tool supports live updates as you type for immediate feedback.
Adjust for increase or decrease
If calculating changes, specify if you are looking for a percentage increase, decrease, or a simple difference between two values.
Review the calculated result instantly
View the final computed value displayed automatically on the screen without needing to press a submit button.
Estimated time: PT1M
Share this tool
Compute tips and split bills with a slider — no math required.
Calculate monthly loan EMI, total interest, and amortization schedule.
Compute mean, median, mode, std dev, quartiles and more from a list of numbers.
Calculate dimensions from aspect ratios — 16:9, 4:3, 1:1, and more.
Calculate exact age in years, months, days from date of birth.
Calculate BMI in metric or imperial with instant health category.
Calculate time differences, durations, conversions, and world clocks.
Find the exact difference between two dates.
Find what day of the week any date falls on.
Convert text or Markdown to a Word .docx file with live preview, RTL, and page-setup options.
Draw a Secret Santa with exclusions and share a private reveal link for each person.
Make custom bingo cards from your own words — play, print, or share a link.
Convert images to video with the Ken Burns zoom/pan effect. Add music and export as WebM.
Load and compare multiple URLs side by side in resizable iframes.
Rank anything with quick 1-v-1 matchups → a full ordered list you can share.
Convert Markdown to a fully customized, RTL-ready PDF.
See your public IP address plus full location, ISP, ASN, timezone, coordinates, and more.
