MyCalculatorFree Online Calculators for Finance, Work, Home & Everyday Life
Simple, practical calculators for money, work, home and everyday decisions. Choose a tool, enter your numbers and get a clear result in seconds.
Popular calculators
Percentage Calculator
Find a percentage, percentage of a value, or percentage change.
EMI Calculator
Monthly loan payment, total interest and total repayment.
Electricity Cost Calculator
Estimate what an appliance costs to run, daily to yearly.
Age Calculator
Exact age in years, months and days from a birth date.
Browse by category
Finance & Money
Percentage, discount, ROI, net worth, budgeting.
Salary & Career
Salary, hourly-to-salary, overtime, pay increases.
Loans & EMI
EMI, loan payments, mortgages, amortization.
Investment
Compound interest, savings, inflation.
Home & Utilities
Electricity cost, energy usage, appliance running cost.
Math
Percentage, average, ratio, fraction, standard deviation.
Time & Date
Age, date difference, working days, time zones.
Business
ROI, margin, markup, break-even, growth rate.
Health & Fitness
BMI, BMR, calories, body fat — informational only.
Everyday
Tip, split bill, fuel cost, unit conversions.
International
Country-specific salary and tax calculators.
Guides
Plain-language explainers behind the formulas.
Why MyCalculator
Instant, no sign-up
Every calculator runs in your browser. No account, no email wall, no waiting.
Built for worldwide use
Generic tools work with any currency or country. Local rules live in dedicated country pages.
Formulas shown, not hidden
Every calculator explains the formula and assumptions behind the result. See our methodology.
Frequently asked questions
Is MyCalculator free to use?
Yes. Every calculator on the site is free, with no account or sign-up required.
Which countries are supported?
Generic calculators (EMI, percentage, salary, electricity cost and more) work for anyone worldwide using your own currency and figures. We also maintain dedicated pages for the USA, UK, Canada, Australia, India, UAE, Singapore and New Zealand where local salary and tax rules apply — see International calculators.
Are results official or legally binding?
No. Results are estimates for general informational purposes. They are not financial, tax, legal or medical advice — see our disclaimer.
How are the formulas chosen?
We use standard, widely accepted formulas for each calculation. Full detail is in our methodology page, and country-specific sources are listed on the sources page.