1. Calculators
Primary tools, formulas, meaning, and interpretation pages. Most day-to-day permille intent lands here.
View calculatorsPermille Tools + Data Stories
Ratios Out Of 1,000, Explained Visually
Permille helps you describe small but meaningful ratios with clarity. This site combines calculators, context-rich answer pages, and visual stories that provide perspective and illustrate the power of visualization per mille.
Latest Story
Urbanization In The UK: From The Industrial Revolution To 2023
How big was the change? An animated permille series showing how the United Kingdom moved from a mostly rural society in 1750 to an overwhelmingly urban one by 2023.
Read latest story
Permille Calculators + Visuals + Answers
Find the tools to make your calculations, the data stories told at a glance, and common answers to related permille questions.
2. Visual Stories
Curated, current, and interesting out-of-1,000 explainers. Browse, share, and learn.
Explore stories
3. Answer Pages
Specific query pages with clear answers, worked steps, and direct calculation context.
Browse answersPermille Calculator with Classic 1,000-Square Visual
Share exact calculations with a copy and paste URL and export the visual as graphic.
Animated visualization of per mille (out of one thousand).
Out-Of-1,000 Category Visualizer
Use `items`, `mode`, `duration`, and `autoplay` query parameters to generate a shareable visual answer page.
Out of 1,000 visualization
Launch Calculator Pages
Calculators for permille, slope, per thousands, and converters.
Permille Calculator
Core calculator for any x of y to permille.
Permille Change Calculator
Apply a signed permille rate to a base value.
Permille To Percent Converter
Step-by-step conversion from ‰ to %.
Percent To Permille Converter
Step-by-step conversion from % to ‰.
Basis Points To Permille Converter
Finance-focused converter for bps <-> ‰.
PPM, PPB, And Permille Converter
Concentration and quality-control conversions.
CPM Calculator (Cost Per Thousand)
Marketing CPM calculator.
Slope Permille Calculator
Permille slope and grade converter.
Rise From Slope And Run Calculator
Find rise from slope and run.
Price Per Thousand Calculator
Unit economics in per-thousand terms.
Permille Increase Calculator
Always apply an increase in permille.
Permille Decrease Calculator
Always apply a decrease in permille.
Percent Change Calculator
Signed percent change with visual comparison.
Percent Increase Calculator
Always apply a percent increase.
Percent Decrease Calculator
Always apply a percent decrease.
Incline Percent To Degrees Calculator
Convert incline percent to angle (degrees).
Treadmill Incline Percent To Degrees Calculator
Treadmill incline % to degrees with training reference table.
Scientific Notation To Permille Converter
Convert scientific notation decimals to permille.
Visual Story Launch Set
Permille stories are a fun way to visualize information in a world of 1,000 things. These are the top and recent stories.
Highest Education Level In A 1,000-Person World
A readable education profile using permille categories.
How Freshwater Is Used Out Of 1,000 Parts
A sector view of global freshwater withdrawals.
Global Emissions By Sector Out Of 1,000
Sector contributions to greenhouse gas emissions, expressed in a 1,000-unit frame.
Language Families In A 1,000-Person World
A broad language-family map expressed as 1,000 people.
Traffic Deaths Out Of 1,000 Deaths
An at-a-glance share of traffic-related deaths in a normalized 1,000 frame.
Who Produces the Most Oil in the World? 1,000 Barrels Visualized
A 1,000-barrel view of the countries that dominated crude oil and lease condensate extraction in a global snapshot.
Out of 1,000 Digits of π, How Often Each Number Appears
A 1,000-tile count of how often each digit 0 to 9 appears in the first 1,000 decimal digits of pi.
Apple Pie Macronutrients Out of 1,000 Calories
A fun 1,000-calorie visual split of apple pie macronutrients using USDA nutrient data and standard 9/4/4 energy factors.
Who Has Safe Drinking Water Out Of 1,000 People?
On World Water Day let's reflect on water access. This 1,000-person view of global drinking-water access shows how many people have safely managed service and how many still rely on basic, limited, unimproved, or surface water sources.
In Canada, Out Of 1,000 Homes: How Many Rely On Groundwater?
A Canada-specific 1,000-home view of how many households rely on private-well groundwater as their main water source.
Out Of 1,000 Kilograms Of Sewage Sludge Ash, How Much Was Gold?
Resource recycling: A 1,000-kilogram view of the reported gold concentration in incinerated sewage sludge ash at Japan's Suwa facility.
In The United States, Out Of 1,000 Homes: How Many Rent?
A 1,000-home view of how many U.S. housing units are renter-occupied, owner-occupied, and vacant.
Dedicated Answer Pages
Common questions and answers with added context.
What Is 1 Per Mille As A Percent?
1‰ equals 0.1%, with decimal and ppm checks.
What Is 25 Percent In Permille?
25% equals 250‰, with decimal and fraction checks.
How Many Permille Is 80 Basis Points?
80 basis points equals 8‰, with percent and decimal checks.
How Many Impressions Do You Get From $2,400 At An $8 CPM?
$2,400 at an $8 CPM buys 300,000 impressions.
What Rise Do You Get With A 9‰ Slope Over 5 km?
A 9‰ slope over 5 km gives a rise of 45 meters.
What Is 125,000 PPB In Permille?
125,000 ppb equals 0.125‰, with ppm and percent checks.