Category

Personal Finance Calculators

Free personal finance calculators — mortgage, loan, retirement, interest, ROI, rent vs buy, and more.

Free bill splitter calculator. Enter the total bill, tip percentage, and number of people to find out exactly how much each person owes.

Break-Even Point Calculator

Break-even point calculator. Enter fixed costs, price per unit, and variable cost per unit to calculate the break-even point in units and revenue. Includes the formula and a worked example.

Compound Interest Calculator

Calculate compound interest and see how your investment grows over time — free online compound interest calculator.

Discount Calculator

Calculate the sale price and money saved for any discount percentage — free online discount calculator.

Gross Profit Calculator

Gross profit calculator. Enter revenue and cost of goods sold (COGS) to calculate gross profit and gross margin percentage. Includes the formula and examples.

Inflation Calculator

Free inflation calculator. Enter an amount and annual inflation rate to see how purchasing power changes over time, with a year-by-year breakdown.

Interest Calculator

Free interest calculator. Calculate simple and compound interest — enter your principal, rate, and time to see final balance, total interest earned, and a year-by-year breakdown.

Loan Calculator

Calculate monthly loan repayments, total interest paid, and the full repayment schedule for any loan — free online loan calculator.

Free Mortgage Calculator

Free mortgage calculator. Enter your loan amount, interest rate, and loan term to calculate your monthly payment, total interest, and full amortization schedule.

Rent vs Buy Calculator

Should you rent or buy a home? Compare the true cost of renting vs buying over time, including mortgage, taxes, maintenance, and home equity.

Retirement Calculator - Savings & Income Projection

Free retirement calculator. Estimate how much you need to save for retirement, project your savings growth, and calculate your retirement income based on current savings and contributions.

Calculate return on investment (ROI) from your initial cost and final value, with annualised ROI for multi-year investments.

Free Tip Calculator

Free tip calculator. Enter your bill total and number of people to see tip amounts at common percentages, plus the grand total per person. Also explains how to calculate tip by hand.

Make smarter financial decisions with our free calculators. Estimate mortgage payments, compare rent vs buy, calculate compound interest, plan for retirement, determine loan payments, and analyze investment returns. All calculations run instantly in your browser — your financial data stays completely private.

Super tools

Welcome to Super Tools! We're here to provide you with a collection of easy-to-use tools and utilities to help make your day-to-day tasks a little bit easier.

About Super Tools

Whether you need to quickly count the number of characters in a block of text, convert measurements from pixels to inches, or generate a catchy business name, you'll find what you need right here.

Our goal is to create a one-stop-shop for all your basic productivity needs. We've carefully curated a set of practical, user-friendly tools that are accessible to everyone. No complicated setups or confusing interfaces - just simple solutions to common problems.

Feel free to explore our growing suite of free tools and let us know if there's anything else we can do to help streamline your workflow. We're always happy to hear your feedback and suggestions.

Is Super Tools free?

Our suite of productivity tools is 100% free for anyone to use. We believe everyone should have access to helpful utilities that can save time and make life easier. Whether you're a student, freelancer, small business owner, or just someone looking to simplify certain tasks, you can take advantage of our free character counters, unit converters, name generators, and more without paying a dime. Our commitment to providing valuable, cost-free resources is central to our mission. You'll never encounter paywalls, subscriptions, or hidden fees on our site - just high-quality tools that you can use at no charge. Explore our growing collection of free online utilities today and discover how they can streamline your workflows and boost your productivity.