CPM Calculator
Fill any two fields — we calculate and animate the third in real time.
100% Secure. Calculations run locally — your data never leaves your browser.
Total Cost
$
CPM
$
Impressions
Formula
CPM = (Cost ÷ Impressions) × 1000
Enter any two values to solve the third.
Budget sliders
$
0$10000$
01000000
Simulate What-If Scenarios
Lock a baseline, then experiment freely.
CPM — answers & formulas
Deep-dive formulas, definitions, and worked examples — indexed for search and ready to share.
Math HistoryFrance · 1642
The 17th-Century Tax Crisis
An 18-year-old French math prodigy named Blaise Pascal grew tired of watching his father labor over grueling, manual tax bookkeeping. To solve the problem, he invented the Pascaline—the world's first operational mechanical calculator. It executed addition and subtraction using a complex internal system of interlocking clock gears and brass wheels, hand-turned via a metal stylus.
0 / 4