Free Online Calculators
Make everyday calculations quick and simple with ToolHaro’s free online calculators. Whether you’re checking a percentage, calculating your age, estimating your salary, or figuring out overtime pay, our calculators are designed to give you accurate results without complicated formulas or software.
Our collection includes practical calculators for work, school, personal finances, and everyday tasks. Use the Percentage Calculator to calculate increases, decreases, and percentages in seconds. The Age Calculator helps you find your exact age based on your date of birth, while the Discount Calculator makes it easy to determine sale prices and savings. You can also use our Salary Calculator and Overtime Calculator for quick income and pay estimates.
ToolHaro calculators are designed with simplicity and speed in mind. They work directly in your browser, are mobile-friendly, and require no downloads or registration.
Whether you’re a student, employee, business owner, shopper, or simply need a quick calculation, ToolHaro provides easy-to-use online tools whenever you need them.
Explore our calculators and find the right tool for your calculation. Fast, simple, and free — that’s ToolHaro.
Free BMI Calculator: check your Body Mass Index in metric or imperial units, see your weight category, healthy weight range, and ideal weight instantly. Wondering if your weight is in a healthy range for your height? Our free BMI Calculator gives you your Body Mass Index in seconds. Enter your height and weight in metric […]
Free online Case Converter tool. Instantly convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case and kebab-case — no sign-up needed.
Free Compound Interest Calculator: enter your deposit, monthly contribution, rate and time to see your future value, total interest and a year-by-year growth chart. Want to see how much your savings or investments could grow? Our free Compound Interest Calculator shows the power of compounding in seconds. Enter your starting amount, regular contributions, annual interest […]
Find Your Sale Price & Savings Instantly Working out a discount during a sale can get confusing, especially when a percentage discount is stacked with a coupon or tax. Our free Discount Calculator does the math for you in seconds — just enter the original price and the discount (percentage or flat amount), and instantly […]
Free Loan EMI & Interest Calculator Online. Free EMI Calculator: find your monthly loan payment, total interest and full amortization schedule for home, car and personal loans in seconds. Planning to borrow money? Our free EMI Calculator shows your monthly instalment (EMI) instantly. Enter the loan amount, interest rate and tenure to see your monthly […]
Want to know how efficient your car or bike really is? Our free Fuel Mileage Calculator works out your mileage in km per litre (and mpg) from the distance you travelled and the fuel you used. It also calculates your fuel cost, toll and parking charges, total trip cost, cost per kilometre and each person’s […]
Free BMI Calculator: check your Body Mass Index in metric or imperial units, see your weight category, healthy weight range, and ideal weight instantly. Wondering if your weight is in a healthy range for your height? Our free BMI Calculator gives you your Body Mass Index in seconds. Enter your height and weight in metric […]
Thinking about a home loan, car loan or personal loan? Our free Loan & Mortgage Calculator shows what you will really pay each month and over the life of the loan. Enter the amount, interest rate and term to see your monthly payment, total interest and payoff date. For a mortgage, add the down payment, […]
Should you take the money now or receive payments over time? Our Lump Sum Calculator compares a one-time payout against periodic payments using present value. Add your expected return and tax rates and see which option is worth more, along with the break-even return. It suits lottery winnings, pensions, settlements and annuity offers. How to […]
Use this free percentage calculator to work out percentages in seconds. Pick the type of calculation you need, enter your numbers, and the answer appears instantly along with the formula. It’s handy for discounts, tips, grades, price changes, and anything else where you need to find a percentage of a number, compare two values, or […]
Will your savings be enough? This free retirement savings calculator projects your balance at retirement from your current savings, monthly contributions, employer match, investment returns and inflation. It compares the result with the income you want, including a pension or Social Security. You then see your surplus or shortfall in today’s money and the extra […]
Convert Hourly, Weekly & Yearly Pay Free Use our free Salary Calculator to convert your pay between hourly, daily, weekly, monthly, and yearly amounts in seconds. Whether you’re comparing job offers, budgeting your income, or just curious what your hourly rate works out to per year, this tool gives you an instant, accurate breakdown — […]
What is your salary worth per hour? This free salary to hourly calculator converts yearly, monthly, twice-a-month, bi-weekly, weekly or daily pay into an hourly rate. It also works in reverse, from hourly wage to yearly salary. You get a full pay breakdown plus time-and-a-half and double-time rates, handy when comparing job offers. How to […]
Free summation calculator for sigma notation. Enter any expression in i, set the start and end, and get the sum and terms instantly. Intro: Our Summation Calculator solves sigma (Σ) notation problems in one click. Type any expression in i, such as i^2, 2i+1 or 1/i, choose the start and end values, and get the […]
Free Tip Calculator: enter your bill, choose a tip percentage, split it between friends and see the tip, total and per-person amount instantly. Works in any currency. Dining out and not sure how much to tip? Our free Tip Calculator works out the tip and total in seconds. Enter your bill, tap a tip percentage […]
Tires age even when the tread looks perfect, and old rubber can crack and fail. Our Tire Age Calculator reads the 4-digit DOT date code on your tire sidewall and tells you the manufacture week, the exact age in years and months, and whether it’s time to replace. It’s handy when buying used tires or […]
Free Tip Calculator: enter your bill, choose a tip percentage, split it between friends and see the tip, total and per-person amount instantly. Works in any currency. Dining out and not sure how much to tip? Our free Tip Calculator works out the tip and total in seconds. Enter your bill, tap a tip percentage
Free BMI Calculator: check your Body Mass Index in metric or imperial units, see your weight category, healthy weight range, and ideal weight instantly. Wondering if your weight is in a healthy range for your height? Our free BMI Calculator gives you your Body Mass Index in seconds. Enter your height and weight in metric
GST / VAT Calculator – Add or Remove Tax Online for Free Read More »
Free BMI Calculator: check your Body Mass Index in metric or imperial units, see your weight category, healthy weight range, and ideal weight instantly. Wondering if your weight is in a healthy range for your height? Our free BMI Calculator gives you your Body Mass Index in seconds. Enter your height and weight in metric
BMI Calculator – Free Body Mass Index Calculator for Adults & Kids Read More »
Free Loan EMI & Interest Calculator Online. Free EMI Calculator: find your monthly loan payment, total interest and full amortization schedule for home, car and personal loans in seconds. Planning to borrow money? Our free EMI Calculator shows your monthly instalment (EMI) instantly. Enter the loan amount, interest rate and tenure to see your monthly
Free online Case Converter tool. Instantly convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case and kebab-case — no sign-up needed.
Convert Hourly, Weekly & Yearly Pay Free Use our free Salary Calculator to convert your pay between hourly, daily, weekly, monthly, and yearly amounts in seconds. Whether you’re comparing job offers, budgeting your income, or just curious what your hourly rate works out to per year, this tool gives you an instant, accurate breakdown —
Find Your Sale Price & Savings Instantly Working out a discount during a sale can get confusing, especially when a percentage discount is stacked with a coupon or tax. Our free Discount Calculator does the math for you in seconds — just enter the original price and the discount (percentage or flat amount), and instantly
Discount Calculator Read More »
Use this free percentage calculator to work out percentages in seconds. Pick the type of calculation you need, enter your numbers, and the answer appears instantly along with the formula. It’s handy for discounts, tips, grades, price changes, and anything else where you need to find a percentage of a number, compare two values, or
Percentage Calculator Read More »