Basic Calculator
Perform basic arithmetic calculations quickly and easily.
Open ToolFree Online Calculator Tools
Simple and useful calculators for everyday calculations. Calculate age, percentages, BMI, loans, discounts and more directly in your browser.
Updated: August 2026
Age Calculator
Calculate exact age in years, months and days from a birth date.
Open ToolPercentage Calculator
Calculate percentages, percentage changes, increases and decreases quickly.
Open ToolBMI Calculator
Calculate Body Mass Index using metric or imperial measurements and view your BMI category.
Open ToolLoan Calculator
Calculate monthly loan payments, total interest and total repayment based on your loan terms.
Open ToolDiscount Calculator
Calculate sale prices, multiple discounts, savings and optional tax instantly.
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Free Online Calculator Tools
EasyTools365 provides a collection of free online calculator tools designed to make everyday calculations faster and easier. Choose the calculator that matches your task, enter the required values, and review the result directly in your browser.
Calculators for Everyday Tasks
Online calculators can be useful for shopping, budgeting, education, business, personal finance and general problem solving. They can help you perform common calculations without manually remembering formulas.
Available Calculator Tools
Basic Calculator
Everyday arithmetic operations.
Everyday arithmetic operations.
Age Calculator
Age from a birth date.
Age from a birth date.
Percentage Calculator
Percentages and percentage changes.
Percentages and percentage changes.
BMI Calculator
BMI using metric or imperial values.
BMI using metric or imperial values.
Loan Calculator
Payments, interest and repayment totals.
Payments, interest and repayment totals.
Discount Calculator
Sale prices, savings and optional tax.
Sale prices, savings and optional tax.
Choose the Right Calculator
Each EasyTools365 calculator focuses on a specific calculation so you can enter relevant information without unnecessary steps. For important financial, tax, legal or professional decisions, independently verify results and consult a qualified professional when appropriate.