Smarter Calculations.
Better Decisions.
Instant results with AI-powered explanations. Browse our collection of calculators for maths, business, and regional needs, or use our quick tool.
Featured Calculators
Our most popular, highly-accurate tools, ready to use instantly with AI assistance built-in.
Percentage Calculator
Calculate percentages, increases, decreases instantly.
Profit Margin Calculator
Find your profit margin, markup, and gross profit.
Compound Interest
See how your investments grow over time.
ROI Calculator
Measure the return on your investments.
Standard Deviation
Calculate variance and standard deviation.
Break-Even Calculator
Find when your business becomes profitable.
Browse by Category
Whether you are managing finances or solving equations, find the perfect specialized tool for your exact needs.
Maths
Percentages, fractions, ratios, and core arithmetic.
Statistics
Mean, median, standard deviation, and confidence intervals.
Algebra
Equations, factoring, logarithms, and systems of equations.
Geometry
Circles, polygons, distance, and 3D shapes.
Calculus
Derivatives, integrals, Laplace transforms, and Taylor series.
Everyday Math
Recipe scaling, time calculations, and practical number tools.
Business
Margins, pricing, break-even, and profitability metrics.
Finance
ROI, compound interest, debt ratios, and investment tools.
Tax
Sales tax, VAT, GST, and income tax tools.
Salary
Take-home pay, hourly rates, overtime, and payroll tools.
E-commerce
Etsy fees, eBay fees, shipping costs, and seller profit tools.
SaaS
Churn, runway, LTV:CAC, Rule of 40, and growth metrics.
Marketing
CPA, CLV, ROAS, ad revenue, and campaign metrics.
Conversion
Unit conversions for fuel, concentration, and number formats.
Date and Time
Time durations, date differences, and unit conversions.
Education
GPA, test scores, and academic planning tools.
Engineering
Beams, torque, and structural analysis tools.
Lifestyle
Love compatibility, personality, and everyday wellbeing tools.
Sustainability
Carbon footprint, energy efficiency, and environmental metrics.
Calculators that
actually explain things.
Every calculator comes with a built-in AI assistant. Don't just get a number - understand exactly how we got there and what it means for you.
Explain Formulas
Understand the math behind every calculation step by step.
Interpret Results
Get practical business insights about what your numbers actually mean.
Ask Follow-ups
"What if I change this value?" Ask and get instant answers.
Regional Calculators
Built for accuracy using country-specific tax regulations, local currencies, and regional formatting rules.
Guides and Tutorials
Don't just calculate - understand. Read our comprehensive guides covering complex mathematical and financial concepts.
Why millions trust Calculory AI
We combine the rigid precision of standard calculators with the flexibility and intelligence of modern AI.
Unmatched Precision
Built by experts to ensure flawless mathematical accuracy for personal and business use.
AI Insights Included
Every calculator comes with a built-in AI tutor to explain the formulas and interpret your results.
Region-Aware
Automatically adjusts tax rules, formatting, and currencies for the US, Canada, Australia, and more.
100% Free and Private
No accounts required, no hidden paywalls. Your inputs remain entirely private.
Embed Smart Calculators
Anywhere.
We're enabling seamless integration for your own platform. Embed fully functional, responsive, and secure calculators as iframes or widgets directly onto your website or mobile app.
- Responsive design for Web & Mobile apps
- Create & customize your own tools effortlessly
- White-label styling to match your brand
import { CalculoryEmbed } from '@calculory/sdk';
// Initialize your custom calculator
const config = {
id: 'custom-roi-tool',
theme: 'premium-dark',
responsive: true,
onCalculate: (res) => {
console.log("Results:", res);
}
};
CalculoryEmbed.render('#host-container', config);