Convertly started as a simple question: why does converting money, measurements, or clothing sizes still feel like searching the internet and doing arithmetic in your head? It shouldn't. So we built something better.
Convertly covers 15 tool categories: currency, units, kitchen measurements, clothing and shoe sizing, gematria, finance, everyday calculations, math, festivals, solo business, property and trades, fitness, global living, cost and operations, and technical science.
Calculator inputs are processed in your browser for immediate results. There is no account requirement, and important assumptions and reference links are shown beside specialist calculators.
Convertly is created and maintained by Ved Prakash Dubey. Calculator logic is tested against published formulas and reference sources before a tool is released, and specialist calculators show their assumptions beside the result.
Read the editorial and calculation policy for our sourcing, review, correction, and update process. Questions and correction reports can be sent through the contact options listed there.
Live rates updated daily. 160+ currencies, clipboard detection, and a 30-day trend chart for Pro users.
14 categories — length, weight, temperature, speed, area, data, energy, power, and more.
Volume, weight, temperature (including Gas Mark), and butter conversions for cooks who recipe-hop across regions.
Women's, men's, kids' clothing and shoes — US, UK, EU, IT, FR, AU, JP side by side. Search by number instantly.
Calculate English and Hebrew word values with multiple ciphers and per-letter breakdowns.
Compare India's tax regimes, plan a SIP goal, and calculate a salary increase.
Calculate percentages, age, discounts, tips, date differences, fuel costs, running pace, and random numbers.
Convert and simplify fractions, evaluate scientific expressions, and analyze datasets.
Plan festival budgets, Zakat, fasting duration, food quantities, and celebration countdowns.
Set a sustainable freelance rate and model eCommerce margins, ad spend, and break-even performance.
Estimate construction materials and evaluate cap rate, cash-on-cash return, mortgages, and amortization.
Scale meals from known macros and find Olympic barbell plate combinations and warm-up loads.
Compare an international move using taxes, currency risk, visas, flights, and living costs.
Track subscription inflation, optimize freight dimensional weight, and estimate standby electricity use.
Calculate CNC speed and feed, rainwater storage, statistical sample size, and solution dilution.
Calculator values are processed locally and are not sent to a calculation server. Convertly has no user accounts; advertising and site measurement are explained in the Privacy Policy.
The tools are designed to load quickly, return results immediately, and remain readable on mobile and desktop.
The core converter is free and always will be. Pro ($3/year) adds extras like 30-day rate charts, expense tracking, and Quick Saves for people who use Convertly every day.
Every feature comes from a real scenario — packing for a trip, scaling a recipe, buying clothes online from another country. If it doesn't solve a real problem, it doesn't ship.
30-day rate charts, unlimited expense tracking, Quick Saves, and instant price comparison — all for $3/year. One coffee. Cancel any time.