About Simple Useful Tools

Simple Useful Tools provides free practical calculators and tools. The goal is to make everyday calculations and decisions easier to understand.

We believe that online tools should prioritize simplicity, clarity and useful explanations. Tools may cover categories such as finance, health, home, work, time and conversions as they are published.

Our calculators provide estimates or informational results and are not substitutes for professional advice where professional advice is appropriate.

The site is continuously improved and additional tools may be added over time.