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PERCENTAGE CALCULATOR

Precise percentage calculations without detours

Math · Productivity · Finance

Percentage Calculator

A precise percentage calculator for values, changes, render-time savings, margins, reverse calculations and weighted averages.

Calculation modules

Every result updates immediately as you type.

Live calculation activeChange any value and the result appears instantly. The button also refreshes every module manually.

Basics

Calculate a percentage value

What is x percent of a base value?

W = G × p / 100
%
Units
Also calculates automatically with every input.
Percentage value47.5
Remaining value202.5
Cross-check47.5 + 202.5 = 250

Share

What percentage?

What percentage is one value of a total?

p = W / G × 100
Part
Total
Also calculates automatically with every input.
Percentage share40 %
Remaining share60 %
Ratio1 : 2.5

Reverse calculation

Find the original value

Calculates the value before a percentage increase or decrease.

G = final value / factor
Final
%
Also calculates automatically with every input.
Original value100
Absolute change+19
Applied factor1.19 ×

Rates

Percentage points

Distinguishes percentage points from relative percentage change.

PP = new − old
%
%
Also calculates automatically with every input.
Difference+6 percentage points
Relative change25 %
New-to-old ratio1.25 ×

Price calculation

Discount and tax

Calculates discount, discounted price, tax amount and final price in one sequence.

Final = price × discount factor × tax factor
%
%
Also calculates automatically with every input.
Final price incl. tax€909.34
Discount amount€134.85
Price after discount€764.15
Tax amount€145.19
Total effective change1.15 %

Pricing

Margin and markup

Keeps profit margin and cost markup clearly separated.

Margin = profit / selling price
Also calculates automatically with every input.
Profit margin32 %
Profit€32.00
Markup on cost47.06 %

Development

Growth and CAGR

Calculates total growth and compound annual growth rate.

CAGR = (end / start)^(1/n) − 1
Start
End
Years
Also calculates automatically with every input.
CAGR per period11.28 %
Total growth53.33 %
Absolute growth+6,400

Planning

Target value after change

Increases or decreases a value by a freely chosen percentage.

Target = base × factor
Base
%
Also calculates automatically with every input.
Target value720
Absolute change+80
Factor1.125 ×

Analysis

Weighted average

Useful for ratings, returns, utilization, grades or partial rates with different importance.

Σ(value × weight) / Σweights
Also calculates automatically with every input.
Weighted average81.45
Total weight100 %
Number of values3
PERCENTAGE CALCULATOR · Live calculation with visible calculate buttonsAll calculations run exclusively in your browser.