About Simple Study Tools

Simple Study Tools is a free online collection of calculators and converters built for speed, accuracy, and ease of use. Our mission is to help students, professionals, and everyday users solve common math, financial, and conversion problems without any friction.

What We Offer

• Dozens of free calculators across math, finance, conversion, and everyday categories
• Mobile-friendly, fast-loading pages optimized for any device
• Clear formula explanations and FAQs on every tool
• No registration, no downloads, no paywalls

How We Make Money

This site is supported by display advertising. Ads are clearly labeled and kept non-intrusive so you can focus on getting your answer. We never sell user data, and all calculations run in your browser.

Contact

Have a tool suggestion or feedback? Email us at support@simplestudytools.com.