Free online calculators.
Swift answers.
36 free calculators for money, technology
and everyday math. Get on with your day.
A shortcut to your answer.
Download Time
Find out how long your next transfer will take.
Compound Interest
Explore savings growth, separate deposits from interest and compare annual-rate scenarios.
↗MathematicsPercentage
A quick answer to your everyday percentage questions.
↗Personal FinanceMortgage
Estimate your mortgage payment, add optional housing costs and see your balance fall over time.
↗Gaming & TechPC Electricity Cost
See what your PC adds to your electricity bill.
↗Personal FinanceTip
Split the bill without the mental arithmetic.
↗Numbers for every part of life.
Three collections. Endless little breakthroughs.
Gaming & Tech
Plan downloads, understand internet speeds and estimate PC energy use.
Explore collection ↗$12 HANDY TOOLSPersonal Finance
Understand a loan, build a savings plan or compare your income.
Explore collection ↗π12 HANDY TOOLSMathematics
Work with percentages, fractions, statistics and everyday geometry.
Explore collection ↗An answer in seconds.
No sign-up. No waiting. Just your result.
Your numbers stay yours.
Calculations run locally in your browser.
Nothing behind the curtain.
Clear formulas, honest assumptions.