HandyPercent – Calculate Any Percentage in Seconds | Free Percentage Calculators Online

Basic Percentage
CALCULATOR

Round

What is X% of Y?

Percentage (X)

% of

Number (Y)

… …

read-only Answer/Result

ANSWER: Result (Z)

Hints:

Space - Move to next field

Enter - Move to next field

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Space - Move to the previous field

Enter - Save to memos

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Escape - Clear all fields and start fresh

Cmd/Ctrl + C - Copy result to clipboard

Escape - Clear all fields and start fresh

Drag → - Increase value

Drag ← - Decrease value

Alt + Drag - Faster adjustments

Shift + Drag - Adjust by whole numbers

Calculate the percentage value of a given number.

Practical Uses

Daily Nutritional Value:
40% [X] of a standard US 2,000 [Y] calorie diet is how many calories [Z]?
800 calories

Grade Points:
Scoring 85% [X] on a 120 [Y] point University final earns how many points [Z]?
102 points
Investment Interest:
5% [X] APR on a $1,000 [Y] high-yield savings account earns how much [Z]?
$50
Restaurant Tip:
A 15% [X] tip on a $60 [Y] Olive Garden bill comes to how much [Z]?
$9
Sale Discount:
20% [X] off a $80 [Y] pair of Levi's jeans saves you how much [Z]?
$16
Tax Calculation:
8% [X] NYC sales tax on a $250 [Y] AirPods Pro comes to how much [Z]?
$20

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Original Value
CALCULATOR

Round

What is the original value if X% of it equals Z?

Percentage

% of

… …

read-only Answer/Result

ANSWER: Original Value

Part Value

Entering 0 here causes a division by zero error.

Hints:

Space - Move to next field

Enter - Move to next field

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Space - Move to the previous field

Enter - Save to memos

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Escape - Clear all fields and start fresh

Cmd/Ctrl + C - Copy result to clipboard

Escape - Clear all fields and start fresh

Drag → - Increase value

Drag ← - Decrease value

Alt + Drag - Faster adjustments

Shift + Drag - Adjust by whole numbers

The Original Value calculator (also known as reverse percentage calculator) helps you find the original value when you know a percentage and its result. This is useful for working backward from a known percentage to find the original amount.

Practical Uses

Pre-Discount Price:
25% [X] of what original price [Y] is a $50 [Z] discount on a smartwatch?
$200
Pre-Tax Amount:
8% [X] of what pre-tax amount [Y] is $16 [Z] sales tax?
$200
Original Value:
15% [X] of what dinner bill [Y] is a 30 [Z] tip?
200
Pre-Raise Salary:
10% [X] of what original base salary [Y] is a $5,000 [Z] raise?
$50,000
Investment Principal:
12% [X] of what original seed capital [Y] is a $2,400 [Z] return?
$20,000
Total Budget:
30% [X] of what total Christmas budget [Y] is $600 [Z]?
$2,000

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Part-to-Whole Percentage
CALCULATOR

Round

What percentage of Y is Z?

… …

read-only Answer/Result

ANSWER: Percentage

Whole Value

Part Value

Entering 0 here causes a division by zero error.

Hints:

Space - Move to next field

Enter - Move to next field

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Space - Move to the previous field

Enter - Save to memos

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Escape - Clear all fields and start fresh

Cmd/Ctrl + C - Copy result to clipboard

Escape - Clear all fields and start fresh

Drag → - Increase value

Drag ← - Decrease value

Alt + Drag - Faster adjustments

Shift + Drag - Adjust by whole numbers

Find what percentage one number is of another.

Practical Uses

Batting Average:
batting average [X%] for a Yankees player with 100 [Y] at-bats and 30 [Z] hits?
30%
Rent Share:
What percentage [X%] of your $4,000 [Y] monthly income goes to $800 [Z] rent in Houston?
20%
Market Share:
What is Tesla's market share [X%] if total EV sales are $1,000,000 [Y] and Tesla sells $250,000 [Z]?
25%
Savings Progress:
What percentage [X%] of your $10,000 [Y] emergency fund have you reached with $7,500 [Z] saved?
75%
Task Completion:
What percentage [X%] of 24 [Y] weekly chores is 18 [Z] completed tasks?
75%
Test Score:
What is your grade [X%] on a 100 [Y] point Bar Exam section when scoring 85 [Z] points?
85%

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Percentage Change
CALCULATOR

Round

What is the percentage change from the Original value to the New value?

From

Original cost

New cost

is a change of:

… …

read-only Answer/Result

ANSWER: Cost Percentage Change

Entering 0 here causes a division by zero error.

Hints:

Space - Move to next field

Enter - Move to next field

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Space - Move to the previous field

Enter - Save to memos

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Escape - Clear all fields and start fresh

Cmd/Ctrl + C - Copy result to clipboard

Escape - Clear all fields and start fresh

Drag → - Increase value

Drag ← - Decrease value

Alt + Drag - Faster adjustments

Shift + Drag - Adjust by whole numbers

Calculate the percentage difference between two values to determine increases or decreases.

Practical Uses

Inflation Rate:
A concert ticket rising from $100 [Original] to $103 [New] represents what inflation rate [Change%]?
3%
Performance Improvement:
Monthly sales leads improving from 70 [Original] to 84 [New] represents what percentage improvement [Change%]?
20%
Revenue Growth:
Small business revenue growing from $1,000,000 [Original] to $1,200,000 [New] represents what percentage growth [Change%]?
20%
Salary Change:
A Target manager's salary increase from $50,000 [Original] to $54,000 [New] represents what percentage raise [Change%]?
8%
Stock Price Change:
Netflix stock going from $50 [Original] to $75 [New] represents what percentage change [Change%]?
50% increase
Website Traffic Change:
A drop in Etsy shop visits from 10,000 [Original] to 8,500 [New] represents what percentage change [Change%]?
15% decrease
Weight Loss:
Weight dropping from 180 [Original] lbs to 162 [New] lbs on a Keto diet represents what percentage change [Change%]?
10% decrease

More info

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Increased Value
CALCULATOR

Round

What is the new value after increasing the Original value by the Increase %?

Price before tax

increased by

Tax rate (%)

… …

read-only Answer/Result

ANSWER: Final Price

Hints:

Space - Move to next field

Enter - Move to next field

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Space - Move to the previous field

Enter - Save to memos

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Escape - Clear all fields and start fresh

Cmd/Ctrl + C - Copy result to clipboard

Escape - Clear all fields and start fresh

Drag → - Increase value

Drag ← - Decrease value

Alt + Drag - Faster adjustments

Shift + Drag - Adjust by whole numbers

Calculate the new value after increasing an original amount by a specific percentage.

Practical Uses

Budget Boost:
A $5,000 [Original] Disney World trip budget increased by 25% [Increase] becomes what [New]?
$6,250
Investment Growth:
A $2,000 [Original] Roth IRA growing by 12% [Increase] becomes what [New]?
$2,240
Population Growth:
A city like Austin of 100,000 [Original] people with 3% [Increase] growth reaches what population [New]?
103,000
Price Inflation:
A $120 [Original] grocery bill with 5% [Increase] inflation becomes what [New]?
$126
Rent Increase:
Monthly rent of $1,200 [Original] in Denver with a 7% [Increase] hike becomes what [New]?
$1,284
Salary Increase:
A $50,000 [Original] nurse salary increased by 8% [Increase] becomes what [New]?
$54,000

More info

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Original Before Increase
CALCULATOR

Round

What was the Original value before an Increase % resulted in the New value?

… …

read-only Answer/Result

ANSWER: Net Price

increased by

VAT rate (%)

Price with VAT

Cannot calculate when increase is -100% (division by zero)

Hints:

Space - Move to next field

Enter - Move to next field

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Space - Move to the previous field

Enter - Save to memos

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Escape - Clear all fields and start fresh

Cmd/Ctrl + C - Copy result to clipboard

Escape - Clear all fields and start fresh

Drag → - Increase value

Drag ← - Decrease value

Alt + Drag - Faster adjustments

Shift + Drag - Adjust by whole numbers

Calculate the original value before a percentage increase, given the new value and percentage increase.

Practical Uses

Budget (Pre-Raise):
What was the original wedding budget [Original] before a 25% [Increase] raise made it $6,250 [New]?
$5,000
Investment (Pre-Growth):
What was the original Bitcoin investment [Original] before a 12% [Increase] growth made it worth $2,240 [New]?
$2,000
Price Before Hike:
What was the original cable bill [Original] before a 5% [Increase] hike made it $126 [New]?
$120
Rent Before Raise:
What was the original rent [Original] in Chicago before a 7% [Increase] raise made it $1,284 [New]?
$1,200
Pre-Growth Population:
What was the original population of Boise [Original] before a 3% [Increase] growth brought it to 103,000 [New] people?
100,000
Salary Before Raise:
What was the original start-up salary [Original] before an 8% [Increase] raise made it $54,000 [New]?
$50,000

More info

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Decreased Value
CALCULATOR

Round

What is the new value after decreasing the Original value by the Decrease %?

Original price

decreased by

Discount %

… …

read-only Answer/Result

ANSWER: Final price

Decrease percentage must be between 0% and 100%.

Hints:

Space - Move to next field

Enter - Move to next field

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Space - Move to the previous field

Enter - Save to memos

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Escape - Clear all fields and start fresh

Cmd/Ctrl + C - Copy result to clipboard

Escape - Clear all fields and start fresh

Drag → - Increase value

Drag ← - Decrease value

Alt + Drag - Faster adjustments

Shift + Drag - Adjust by whole numbers

Calculate the new value after decreasing an original amount by a specific percentage.

Practical Uses

Budget Cut:
A $10,000 [Original] party budget cut by 25% [Decrease] becomes what [New]?
$7,500
Employee Reduction:
A 500 [Original]-person tech startup reduced by 10% [Decrease] leaves how many people [New]?
450 people
Energy Savings:
A $200 [Original] summer AC bill reduced by 18% [Decrease] becomes what [New]?
$164
Sale Discount:
A $300 [Original] North Face jacket with a 30% [Decrease] discount costs what [New]?
$210
Stock Price Drop:
A $45 [Original] Ford stock declining by 12% [Decrease] becomes what [New]?
$39.60
Weight Loss:
Weighing 180 [Original] lbs and losing 15% [Decrease] for summer leaves what weight [New]?
153 lbs

More info

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Original Before Decrease
CALCULATOR

Round

What was the Original value before a Decrease % resulted in the New value?

… …

read-only Answer/Result

ANSWER: Original Value

decreased by

Decrease %

New Value

Cannot calculate when decrease is 100% (division by zero)

Decrease percentage must be lower than 100%

Hints:

Space - Move to next field

Enter - Move to next field

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Space - Move to the previous field

Enter - Save to memos

Escape - Clear all fields and start fresh

Hold & Drag ← → - Adjust value

Escape - Clear all fields and start fresh

Cmd/Ctrl + C - Copy result to clipboard

Escape - Clear all fields and start fresh

Drag → - Increase value

Drag ← - Decrease value

Alt + Drag - Faster adjustments

Shift + Drag - Adjust by whole numbers

Calculate the original value before a percentage decrease, given the new value and percentage decrease.

Practical Uses

Budget (Pre-Cut):
What was the original renovation budget [Original] before a 25% [Decrease] cut made it $3,750 [New]?
$5,000
Investment (Pre-Loss):
What was the original stock portfolio [Original] before a 12% [Decrease] loss made it worth $1,760 [New]?
$2,000
Expense Before Cut:
What were the original subscription costs [Original] before a 7% [Decrease] cut made them $930 [New]?
$1,000
Salary Before Cut:
What was the original freelance income [Original] before an 8% [Decrease] drop made it $46,000 [New]?
$50,000
Pre-Decline Population:
What was the original population of Detroit [Original] before a 3% [Decrease] decline left it at 97,000 [New] people?
100,000
Price Before Discount:
What was the original price [Original] before a 5% [Decrease] Target Circle discount made it $95 [New]?
$100

More info

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Free, online percentage calculators

What Can You Calculate?

Basic Percentage CALCULATOR

Practical Uses

Original Value CALCULATOR

Practical Uses

Part-to-Whole Percentage CALCULATOR

Practical Uses

Percentage Change CALCULATOR

Practical Uses

Increased Value CALCULATOR

Practical Uses

Original Before Increase CALCULATOR

Practical Uses

Decreased Value CALCULATOR

Practical Uses

Original Before Decrease CALCULATOR

Practical Uses

Basic Percentage
CALCULATOR

Original Value
CALCULATOR

Part-to-Whole Percentage
CALCULATOR

Percentage Change
CALCULATOR

Increased Value
CALCULATOR

Original Before Increase
CALCULATOR

Decreased Value
CALCULATOR

Original Before Decrease
CALCULATOR