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For the basics. Use the buttons or type with your keyboard.
Use our free online loan calculator to instantly compute your monthly payment, total interest, and amortization schedule for personal loans, auto loans, or mortgages. Input your principal, rate, and term to see exact costs and savings from extra payments.
Use this free online BMI calculator to instantly find your Body Mass Index and see where you fall in WHO weight categories. Get your BMI score with health classification ranges and learn why BMI has limitations for athletes and older adults.
Use this free online percentage calculator to instantly find percent of a number, calculate percent change, or determine discounts and tips. Get accurate results with step-by-step formulas for any percentage problem.
Use our free online compound interest calculator to see exactly how your savings grow over time with automatic reinvestment. Instantly calculate returns with adjustable contributions, frequencies, and interest rates for any investment goal.
Use this free online auto loan calculator to instantly determine your monthly payment, total interest cost, and how down payments affect your loan. Compare different APRs and loan terms to find the best car financing option for your budget.
Calculate your exact age instantly with our free online age calculator. Get precise results in years, months, days, and hours by entering your birth date, perfect for verifying age for applications or personal records.
Free percentage off calculator that shows the sale price, the dollar amount saved and the final cost after discount. Works both ways: enter original price and percent off to see savings, or enter original and sale price to find the percent off. Stacks multiple discounts and applies sales tax on the final number.
Calculate your take-home paycheck instantly with our free online calculator. Estimate net income after federal tax, state tax, FICA, 401(k), HSA, and health insurance deductions across all US states.
Free online tip calculator to instantly figure out how much to tip and split bills between people. Calculate custom tip percentages for restaurants, delivery, and services without guessing.
Free online salary paycheck calculator that instantly converts your annual salary to hourly, weekly, and monthly rates with accurate take-home pay estimates after taxes and deductions. Perfect for job offers, budgeting, and comparing compensation packages.
Calculate percentage change instantly with our free online tool. Find percent increase, decrease, or difference between two values with decimal and ratio outputs for quick financial analysis.
Free online discount calculator that instantly shows your sale price and savings. Enter the original price and discount percentage to see exactly how much you'll pay, making it easy to verify if that 30% off sale is real.
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Toolita is a collection of fast, accurate, free online calculators and tools that work in your browser. No signup, no app, no upsell.
From the classic scientific calculator and BMI calculator to mortgage, percentage, age, and unit converters, every tool is built around one idea: get the answer fast and understand why it makes sense. Inputs stay in your browser, results compute instantly, and an optional plain-language explanation breaks down what the numbers mean.
The site is supported by privacy-friendly ads. We do not sell your data, we do not require an account, and we do not track you across the web. Toolita works on every modern browser, on desktop, tablet, or phone, in English, Romanian, Spanish, Portuguese, Italian, Polish, German, Filipino, Turkish, and Hindi.
Six reasons Toolita beats the average free calculator site.
Every calculator works the first time you open it. No account walls, no email gates, no trial periods. Type, get the answer, leave.
A one-click "Explain my result" button rewrites the numbers in plain language so you understand the why, not just the what. Useful for finance, health, and anything else where context matters.
English, Romanian, Spanish, Portuguese, Italian, Polish, German, Filipino, Turkish, Hindi, French, and Ukrainian. Tools, FAQs, labels, and unit defaults all switch with the language picker, no separate domains.
Every layout collapses cleanly down to a 320px screen. Phones, tablets, and desktops all get the same calculation logic and the same answer. No app to install.
Calculations run in your browser. We do not log your inputs, we do not tie analytics to identifiers, and we do not sell anything to data brokers. The cookie banner exists because EU law requires it, not because we want your fingerprint.
Each calculator uses the standard formula for its domain, cites its sources where relevant, and is reviewed by the site owner. When a tool gives an estimate, it says so, and tells you when to talk to a doctor or accountant instead.
Jump straight into the area you need.
Quick answers about how Toolita works.
Yes. Every calculator and tool on Toolita is free to use, with no account required. The site is supported by privacy-friendly ads, not by selling your data.
No. Open the tool, type your numbers, get the result. Nothing is saved on our servers unless you press save, and even then it only stays in your browser.
They give honest estimates using standard formulas. Health and finance tools are for educational purposes only and should not replace advice from a doctor, accountant, or licensed advisor.
Yes. The site is built mobile-first. Every calculator works the same on a phone, tablet, or desktop. No app to install.
When you press it, Toolita sends your inputs to an AI model that writes a plain-language explanation of what the numbers mean and how to act on them. The request is sent over HTTPS and is not stored after the answer is returned.
Email us at hello@toolita.com with the calculator you need and a one-line description of what it should do. We add new tools every week and prioritize the ones people actually ask for.
Finance and money, health and fitness, math and statistics, science and engineering, construction and DIY, cooking and recipes, automotive, date and time, web development, astrology and numerology, pregnancy and baby, pets, beauty and style, and more. Browse the categories above or use the search bar to find a specific tool.
Yes. Your inputs stay in your browser and are not stored on our servers. If you save a calculation, it is kept in the browser local storage of that machine only. Clearing the browser data wipes it. We do not log IP addresses with the calculation content.
Hundreds of free calculators across finance, health, math, construction, and more. All in your browser, all in your language.
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