Free Online Math & Calculators
FreeToolsQuick offers free online calculators for everyday math, finance, business and common calculations. Use scientific, percentage, fraction, loan, interest, age, BMI and other calculators directly in your browser.
All Tools
32 toolsScientific Calculator
Advanced calculator for scientific operations
Fraction Calculator
Add, subtract, multiply, divide fractions
General Math
LCM, GCD, Factors, Prime Checker
Algebra Solver
Solve linear and quadratic equations
Percentage Calculator
Calculate percentages and changes
Statistics Calculator
Mean, Median, Mode, Std Dev
Discrete Math
Permutations, Combinations, Truth Tables
Geometry Calculator
Area, Volume, Perimeter solver
Trigonometry
Solve triangles and identities
Discount Calculator
Calculate sale price & savings
Loan Calculator
Calculate monthly payments
Age Calculator
Calculate age from date of birth
Date Difference
Calculate days between dates
Average Calculator
Calculate mean, median, mode
Sales Tax Calculator
Calculate tax and total
Margin Calculator
Calculate profit margin
Probability Calculator
Calculate simple probability
GST Calculator
Calculate GST tax
PayPal Fee Calculator
Calculate PayPal fees
CPM Calculator
Calculate Cost Per Mille
AdSense Calculator
Estimate AdSense earnings
Unit Converter
Convert length, weight, etc.
BMI Calculator
Calculate your Body Mass Index
Tip Calculator
Calculate tips and split bills
GPA Calculator
Calculate semester and cumulative GPA
Pregnancy Due Date
Estimate due date from LMP or conception
Compound Interest Calculator
Calculate compound interest growth
Graphing Calculator
Plot mathematical functions on a graph
Hours Calculator
Calculate hours and minutes between two times
VAT Calculator
Add or remove VAT from prices with any VAT rate
ROI Calculator
Calculate return on investment and annualized ROI
Expense Calculator
Track and summarize your monthly expenses
Browse Calculators by Category
Math Calculators
Financial Calculators
Business Calculators
Free Online Calculators for Everyday Use
FreeToolsQuick makes common calculations quick to complete in your browser. Use calculators for budgets, tips, dates, health measurements, schoolwork and other everyday decisions without installing software.
Math and Scientific Calculators
Work through equations and numerical problems with the Scientific Calculator, Fraction Calculator, Algebra Solver, Statistics Calculator, Geometry Calculator and related math tools.
Explore Scientific Calculator, Fraction Calculator, Algebra Solver, Statistics Calculator, Geometry Calculator.
Financial and Business Calculators
Estimate loan payments, interest growth, returns, margins, discounts, VAT and GST with dedicated financial and business calculators for practical planning.
Explore Loan Calculator, Compound Interest Calculator, ROI Calculator, Margin Calculator, Discount Calculator, VAT Calculator, GST Calculator.
How to Use FreeToolsQuick Calculators
- Choose a calculator.
- Enter the required values.
- View the calculated result.
Why Use FreeToolsQuick Calculators?
The calculators are free to access, browser based, mobile friendly and designed to return results quickly without requiring an installation.
Frequently Asked Questions
Are FreeToolsQuick calculators free?
Yes. The calculators are free to access in your browser.
What types of online calculators are available?
The collection includes math, scientific, financial, business, health and everyday calculators.
Can I use the calculators without signing up?
No. Every calculator is available instantly without an account.
Are the calculators mobile friendly?
Yes. All calculators are fully responsive and work great on phones and tablets.
What financial calculators are available?
You can calculate loans, compound interest, ROI, margins, discounts, sales tax, VAT and GST.
How accurate are the calculator results?
Results are calculated using the formulas implemented by each tool and displayed with practical precision. Check important figures independently.