Build and monetize a simple niche calculator website
Create a focused calculator, quiz, generator, or similar tool that solves one specific problem with high or growing search demand. Monetize the resulting traffic with display advertising and email capture, and expand by adding related calculators or adapting the same template to other niches.
online BOTH Product / E-commerce
From Chris Koerner on The Koerner Office Podcast — The Most Passive Online Side Hustle I've Ever Seen at 00:12
Problem: Users need a quick way to calculate or understand a specific result without doing the underlying calculations themselves.
For: People searching for a specific calculation, including users interested in paychecks, calories, mortgages, side hustles, health, fitness, AI tools, or other focused topics.
Products from this video
Examples
- A paycheck calculator website was described as receiving over 700,000 unique visitors per month and being worth about $1.1 million if monetized only with ads.
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