Free · 11+ Tools · Global-Ready
Math Tools Suite
Professional math tools: percentage calculator, ratio solver with GCD/LCM, secure expression evaluator, base converter, and locale-aware number formatting. Fast, accurate calculations for global users.
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Frequently Asked Questions
What percentage calculations are supported?
Calculate what percentage a value is of a total, and compute value increase/decrease by a percentage.
How does the ratio calculator work?
Enter two numbers to get simplified ratio, Greatest Common Divisor (GCD), and Least Common Multiple (LCM).
What expressions can I evaluate?
Basic arithmetic expressions with +, -, *, /, %, parentheses, and decimal numbers.
Is my calculation history saved?
Yes, your last 12 calculations are saved locally. You can copy any result with one click.
Does this work for different countries?
Yes. Global Number Formatter supports multiple locale and currency formats for international use.