--- title: "Ratio Calculator | Simplify Ratios Tool | XTRAW Tools" description: "Simplify ratios and compare proportional values with a free browser-based ratio calculator from XTRAW Tools." url: "https://xtraw.com/calculators/math-calculators/algebra-calculators/ratio-calculator" date: "2026-05-20T22:51:39+00:00" language: "en-GB" --- [Scientific Calculator](https://xtraw.com/calculators/math-calculators/algebra-calculators/scientific-calculator)[Fraction Calculator](https://xtraw.com/calculators/math-calculators/algebra-calculators/fraction-calculator) [![Ratio Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/xtraw-ratio-calculator-360x360.jpg)](https://xtraw.com/images/virtuemart/product/xtraw-ratio-calculator-360x360.jpg "Ratio Calculator from XTRAW Tools") new [Back to: Algebra Calculators](https://xtraw.com/calculators/math-calculators/algebra-calculators "Algebra Calculators") # Ratio Calculator Simplify ratios and compare proportional values. Use this free browser-based ratio calculator from XTRAW Tools. **Ratio Calculator** helps you simplify ratios and compare proportional values. Use this free browser-based calculator from XTRAW Tools to compare inputs, estimate results, and plan your next step. ## How to Use the Ratio Calculator 1. Enter the required calculator inputs shown in the form. 2. Review the numbers, expression, equation, data set, ratio, date, or measurement assumptions. 3. Run the calculator, then adjust one input at a time to compare scenarios or check your work. ## What This Calculator Helps With Simplify ratios and compare proportional values. It is designed for students, teachers, cooks, DIY users, and anyone comparing proportional values who want a fast, browser-based result before relying on an instructor, textbook, advisor, professional source, healthcare provider, or specialist. - Value A: 12 - Value B: 18 ## Common Uses People use this calculator when they need a quick way to solve math, summarize data, check formulas, compare values, estimate timing, or verify measurement-based results. - **Math Solving:** Solve school, study, work, or everyday math problems using clear numeric inputs. - **Measurement:** Use measurements, values, ratios, data sets, or equations to calculate a specific result. ## Formula or Method Simplified Ratio = a/gcd(a,b) : b/gcd(a,b) ## Example **Example inputs:** Value A: 12; Value B: 18 **Example result:** Using the default inputs, 12:18 simplifies to 2:3. ## Related Tools - [Proportion Calculator](https://xtraw.com/tools/proportion-calculator) - [Percentage Calculator](https://xtraw.com/tools/percentage-calculator) - [Fraction Calculator](https://xtraw.com/tools/fraction-calculator) - [GCD LCM Calculator](https://xtraw.com/tools/gcd-lcm-calculator) - [Decimal To Fraction Calculator](https://xtraw.com/tools/decimal-to-fraction-calculator) - [Scientific Calculator](https://xtraw.com/tools/scientific-calculator) ## Ratio Calculator FAQ ### Is the Ratio Calculator free? Yes. This calculator is free to use on XTRAW Tools. ### Do I need to create an account? No. XTRAW tools are designed for browser-based use without requiring an account. ### Are the results exact? Results may be estimates depending on the inputs, formula, rounding, and purpose of the calculator. Always verify important results before relying on them. **Disclaimer:** This calculator is provided for general informational and convenience purposes only. It is not legal, financial, medical, pregnancy, fertility, engineering, academic, safety, or professional advice. Always verify important results with a qualified professional, instructor, authoritative source, or appropriate specialist before making decisions. **Related Products** ![Tooltip]() [![Proportion Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-proportion-calculator-360x360_230x230.jpg) Proportion Calculator](https://xtraw.com/calculators/math-calculators/algebra-calculators/proportion-calculator "Proportion Calculator") Solve proportions and missing values in equivalent ratios. Use this free browser-based proportion calculator from XTRAW Tools. Custom prototype for related products [![Percentage Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-percentage-calculator-360x360_230x230.jpg) Percentage Calculator](https://xtraw.com/calculators/math-calculators/percentage-calculator "Percentage Calculator") Calculate percentages, percent of a number, and percentage relationships. Use this free browser-based percentage calculator from XTRAW Tools. Custom prototype for related products [![Fraction Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-fraction-calculator-360x360_230x230.jpg) Fraction Calculator](https://xtraw.com/calculators/math-calculators/algebra-calculators/fraction-calculator "Fraction Calculator") Calculate fraction addition, subtraction, multiplication, division, and simplification. Use this free browser-based fraction calculator from XTRAW Tools. Custom prototype for related products [![GCD & LCM Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-gcd-lcm-calculator-360x360_230x230.jpg) GCD & LCM Calculator](https://xtraw.com/calculators/math-calculators/gcd-lcm-calculator "GCD & LCM Calculator") Calculate greatest common divisor and least common multiple for integers. Use this free browser-based gcd & lcm calculator from XTRAW Tools. Custom prototype for related products [![Scientific Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-scientific-calculator-360x360_230x230.jpg) Scientific Calculator](https://xtraw.com/calculators/math-calculators/algebra-calculators/scientific-calculator "Scientific Calculator") Perform advanced arithmetic, powers, roots, logarithms, trigonometry, and scientific math. Use this free browser-based scientific calculator from XTRAW Tools. Custom prototype for related products **Related Categories** ![Tooltip]()[![Math Calculators category image](https://xtraw.com/images/virtuemart/category/17_math_calculators.jpg) Math Calculators](https://xtraw.com/calculators/math-calculators "Math Calculators") Custom prototype for related categories [![Ratio & Proportion Calculators category image](https://xtraw.com/images/virtuemart/category/152_ratio-proportion-calculators.jpg) Ratio & Proportion Calculators](https://xtraw.com/calculators/math-calculators/algebra-calculators/ratio-proportion-calculators "Ratio & Proportion Calculators") Custom prototype for related categories [![Fraction Calculators category image](https://xtraw.com/images/virtuemart/category/150_fraction-calculators.jpg) Fraction Calculators](https://xtraw.com/calculators/math-calculators/fraction-calculators "Fraction Calculators") Custom prototype for related categories [![Algebra Calculators category image](https://xtraw.com/images/virtuemart/category/145_algebra-calculators.jpg) Algebra Calculators](https://xtraw.com/calculators/math-calculators/algebra-calculators "Algebra Calculators") Custom prototype for related categories [![Education Tools category image](https://xtraw.com/images/virtuemart/category/086_education_tools_350x350.jpg) Education Tools](https://xtraw.com/industry-tools/education-tools "Education Tools") Custom prototype for related categories ## Schema ```json { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://xtraw.com" }, { "@type": "ListItem", "position": 2, "name": "Calculators", "item": "https://xtraw.com/calculators" }, { "@type": "ListItem", "position": 3, "name": "Math Calculators", "item": "https://xtraw.com/calculators/math-calculators" }, { "@type": "ListItem", "position": 4, "name": "Algebra Calculators", "item": "https://xtraw.com/calculators/math-calculators/algebra-calculators" }, { "@type": "ListItem", "position": 5, "name": "Ratio Calculator", "item": "https://xtraw.com/calculators/math-calculators/algebra-calculators/ratio-calculator" } ] } ```