The Blog

Practical guides on health, productivity, writing, technology and money.

Conversions July 13, 2026 · 8 min read

One stone equals 14 pounds. Here's the exact factor, how to use it, mental shortcuts, and complete conversion tables in both directions.

Productivity July 13, 2026 · 2 min read

Only three countries still use imperial units, but the rest of us deal with them constantly. Here are the conversions worth memorizing and…

Conversions July 12, 2026 · 8 min read

One ounce equals 0.0625 pounds. Here's the exact factor, how to use it, mental shortcuts, and complete conversion tables in both directions.

Conversions July 11, 2026 · 5 min read

The exact formula for converting degrees Celsius to degrees Fahrenheit, with worked examples, mental shortcuts and complete conversion…

Conversions July 10, 2026 · 5 min read

The exact formula for converting degrees Fahrenheit to degrees Celsius, with worked examples, mental shortcuts and complete conversion…

Conversions July 9, 2026 · 11 min read

One us cup equals 8 US fluid ounces. Here's the exact factor, how to use it, mental shortcuts, and complete conversion tables in both…