Explore free online calculators
MyCalcPlanet brings ten everyday calculation tools into one simple website. Use our free age calculator to count calendar years, months and days; a percentage calculator for discounts or changes; an adult BMI calculator for a weight-to-height screening estimate; or a scientific calculator for arithmetic and functions. Students can calculate grades and GPA, while other tools estimate maintenance calories, compare dates, convert measurement units, and estimate Zakat with user-entered nisab. Every tool has its own dedicated page, worked examples, quick instructions, and mobile-friendly inputs. You can change the language from the dropdown at any time.
Frequently asked questions
Are the calculators free to use?
Yes. All ten calculators are free to use, and you do not need an account.
Do I need to download an app?
No. Use the calculators directly in your web browser on a phone, tablet or computer.
Can I use the calculators in Arabic or Urdu?
Yes. Use the language dropdown to open separate Arabic or Urdu calculator pages, or choose another supported language.
How accurate are the results?
Results depend on the values and formulas used. Health estimates, grades, and Zakat rules can vary by individual, school, or applicable religious guidance.