Free Online Calculators
Percentage, age, BMI, loan and mortgage calculators — 23 free calculators, no sign-up.
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About
About Calculators
Toolapt's 23 free online calculators answer everyday number questions in seconds. Work out percentages, discounts and VAT or sales tax, calculate your exact age or the number of days between two dates, and check your BMI, daily calories (BMR) and ideal weight. For money, there are loan, mortgage, simple and compound interest, savings goal, break-even, wage and fuel cost calculators; for school, a GPA calculator and a grade-needed calculator; plus a tip and bill splitter, a statistics calculator, a file transfer time calculator and a countdown timer and stopwatch. Results update as you type — no account and no limit.
FAQ
Frequently asked questions
Quick answers to the questions people ask most.
How do I calculate a percentage?
Open the Percentage Calculator. It answers the four most common questions — what is X% of Y, what percent X is of Y, the percent change (increase or decrease) between two numbers, and reverse percentages — and updates the answer as you type.
How do I calculate my exact age?
Enter your date of birth in the Age Calculator. It shows your age in years, months and days, totals such as the number of days you've been alive, and how long it is until your next birthday.
How many days are there between two dates?
Use the Date Difference Calculator: pick two dates and it counts the days between them. It can also tell you what the date will be after adding a number of days, weeks, months or years.
How is BMI calculated?
BMI is your weight divided by your height squared. The BMI Calculator does this for you in metric or imperial units and shows the healthy weight range for your height.
How do I calculate a monthly loan or mortgage payment?
The Loan Payment Calculator shows the monthly payment, total interest and total cost of a fixed-rate loan. For a home loan, the Mortgage Calculator also includes property tax and insurance in the monthly figure.
How does compound interest work?
With compound interest, you earn interest on your interest as well as on the original amount. The Compound Interest Calculator shows how savings grow over time, including regular contributions; the Simple Interest Calculator covers interest that isn't compounded.
Are these calculators free? Do I need to sign up?
All 23 calculators are completely free, with no account and no limit on how often you use them. They work in any modern browser on phone, tablet and desktop.
Are the results accurate enough to rely on?
The calculators use standard formulas and show exact results for the numbers you enter. Health and finance results such as BMI, calorie needs, loan and mortgage payments are estimates, though — check important decisions with a doctor, lender or financial adviser.