SAHITOOL ยท Updated 10 November 2026

About SAHITOOL

SAHITOOL brings practical calculators and clear assumptions together in one free workspace. Our aim is to help you understand the arithmetic behind everyday decisions.

Our purpose

We build practical, free tools that make everyday arithmetic easier to understand. Results include assumptions, so you can compare scenarios and see what changes.

What is available

Loan amortization and comparison; GST calculation and invoice drafts; SIP and CAGR projections; FD/RD maturity estimates; user-entered currency margin estimates; and HTML SEO inspection with metadata generation.

Feedback

Tell us about a calculation discrepancy, missing feature or accessibility issue at digitalwork0326@gmail.com. We do not offer lending, brokerage or tax-filing services.