Percentage Converter
Percentage Converter & Calculator | Convert % Easily
What makes percentages so useful in daily life? Whether you want to calculate a percentage of a number, convert decimals to percent, or find out how much you save with a 25% discount, percentages are everywhere. Our free online Percentage Calculator and Converter helps you calculate percentages and convert between decimals, fractions, and percentages quickly and accurately.
Try this easy-to-use percentage converter and calculator now to solve your math problems without hassle.
How to Calculate Percentage Using Percentage Converter and Calculator?
Let’s break down how to calculate a percentage using our user-friendly online percentage calculator at hcalculator.
Find the Percentage of a Number
Want to find 20% of 150?
Formula:
(percentage ÷ 100) × number
Example:
(20 ÷ 100) × 150 = 30
It’s like saying, What portion of 150 equals 20 per 100?
Find What Percent One Number Is of Another
What percent of 80 is 20?
Formula:
(part ÷ whole) × 100
Example:
(20 ÷ 80) × 100 = 25%
You’re finding what part of the total this number represents — a classic percentage of the total problem.
Increase or Decrease a Number by a Percentage
Need to increase 100 by 25%?
Formula:
number + (number × percentage ÷ 100)
Example:
100 + (100 × 25 ÷ 100) = 125
Decrease? Just subtract instead.
Calculator UI Demo
Imagine a box labeled:
- Input Value
- Percentage (%)
- Calculate Button
It quickly gives you answers with clarity. That’s what hcalculator offers — a free online percentage calculator made for simplicity.
Percentage Converter—Switch Between Decimal, Percent, and Fraction
This percentage converter is not just about solving percentage problems — it lets you convert numbers across formats.
Percent to Decimal
Just remove the percent sign and divide by 100.
Example:
75% = 75 ÷ 100 = 0.75
Decimal to Percent
Just multiply by 100 and add a percent sign.
Example:
0.6 × 100 = 60%
It’s the reverse operation of the previous conversion.
Fraction to Percent
Multiply by 100 to get the percent.
Example:
½ = 1 ÷ 2 = 0.5 → 0.5 × 100 = 50%
This is useful when expressing a number as a fraction or calculating a fraction of 100.
Conversion Chart
Format |
Conversion |
Result |
0.25 |
Decimal to % |
25% |
⅓ |
Fraction to % |
33.33% |
80% |
% to Decimal |
0.8 |
⅘ |
Fraction to Decimal |
0.8 |
0.05 |
Decimal to % |
5% |
Why Use This Free Online Percentage Converter?
Benefits Overview
- ✅ 100% free online tool
- ✅ No registration, no app download
- ✅ Works on mobile and desktop
- ✅ Converts decimal to a percentage, fraction, and more
- ✅ Handles percentage increase, percent change, and percent error
- ✅ Instantly calculate the percentage of any value
- ✅ Fast, accurate, and user-friendly tool
- ✅ A perfect resource for students, teachers, and professionals
- ✅ Built for real use-cases like calculatorsoup or mark’s percentage calculator
Common Uses for Percentage Calculations
Shopping Discounts
Find savings fast!
Example: 30% off $50 = $35
Grades and Exams
Calculate your final grade or average percentage with ease.
Health and Fitness
Track body metrics like body fat percentage or caloric ratio.
Business and Finance
Use it for:
- Profit margins
- Sales tax
- ROI
- Interest rates
- Percentage point difference
Investments & Interest Rates
Easily compute percentage change in your returns or express gains as parts per hundred.
Try the Percentage Converter and Calculator Now
Need to convert a decimal, find the percentage given, or work out a percentage difference? Try the powerful tool at hcalculator — your go-to for all things percent.
It’s time to easily calculate any percentage value using a reliable and free online tool.
Final Thought
From calculating percentages to converting decimals and fractions, our Percentage Converter & Calculator covers all your needs. Perfect for students, professionals, and everyday users alike. Save time and avoid errors by trying our tool today!
So go ahead — check out hcalculator and start crunching numbers like a pro.
FAQs
What is the difference between a percentage calculator and a converter?
A percentage calculator computes math problems using percentage formulas. A percentage converter changes numbers between formats like decimal, percent, or fraction.
How do I calculate a percentage manually?
Use the formula: (part ÷ whole) × 100
Is this tool completely free?
Yes! It’s a free online percentage converter, no signup is needed.
What does percent mean?
Percent means “per 100”. For example, 50% = 50 out of 100.
Can this tool compute percent error and percent change?
Absolutely! Just enter the given percent, and let the calculator do the math.