iTrustPDF
Free Online Calculator Tools
Get all your free calculator tools in one place. Plan your finances, track your health, and convert units. No sign-up needed.
All Calculator Tools
Financial Calculators
Compound Interest Calculator
See how investments grow with compound interest. Add regular contributions to see future value.
SIP Calculator
Plan your Systematic Investment Plan returns. Easy tool for SIP investment calculations.
GST Calculator
Find Goods and Services Tax amounts fast. Get accurate GST calculations for business.
Profit Loss Calculator
Calculate profit or loss percentage. Use for business deals and investment tracking.
Health Calculators
BMI Calculator
Check your Body Mass Index fast. See your weight status and potential health risks.
Age Calculator
Find your exact age in years, months, and days. Simple tool for birthday tracking.
Conversion Calculators
Why Use iTrustPDF Calculator Tools?
Secure & Private
All math happens in your browser. We never see or store your personal or financial data.
Completely Free
Every tool is 100% free. No hidden costs, no sign-up needed, and no limits on use.
Instant Results
Get accurate answers right away. No waiting - just quick and reliable calculations.
Calculator Tools for Every Need
Welcome to iTrustPDF's Calculator Tools. This is your go-to place for all online calculations. Plan finances, track health, convert units, or solve math problems. We have the right calculator for you.
Our Financial Calculators help with money choices. Calculate compound interest for investments. Plan SIP returns, find GST amounts, and check profit or loss. Make smart financial moves with ease.
For health, use our Health Calculators. Check your Body Mass Index to stay healthy. Use the Age Calculator to track birthdays and milestones. Simple tools for wellness tracking.
Need to switch measurement systems? Use our Unit Converter. Change length, weight, volume, and temperature units. Get fast and accurate conversions every time.
Every tool is user-friendly. They have clean layouts and give instant results. No downloads needed. Just reliable calculations when you need them.
Frequently Asked Questions
Are these calculator tools completely free to use?
Yes, all tools are 100% free. No hidden charges or sign-up needed. Use them as much as you want.
Do I need to create an account to use the calculators?
No account is needed. All calculators work right away. Just open one and start calculating.
Are my calculations stored anywhere?
No, all math happens in your browser. We never store your input or results on our servers.
Can I use these calculators on mobile devices?
Yes! All tools work on phones, tablets, and computers. They adjust to any screen size.
How accurate are the calculation results?
We use precise math formulas for accurate results. For big financial or health choices, please talk to a professional too.
Can I suggest new calculator tools?
Yes! We want to grow our tool collection. Contact us with your calculator ideas through our feedback form.