🧮 Calculators

Free online calculators – age, BMI, EMI, compound interest, unit converters, currency converter and more.

20 free tools available

All Calculators

Calculate your exact age in years, months, days, hours, and minutes from your date of birth. Free online age calculator.

Calculate your BMI (Body Mass Index) and find your weight category. Free online BMI calculator with metric and imperial units.

Calculate your monthly EMI for home loans, car loans, and personal loans. Free EMI calculator with amortization schedule.

Percentage Calculator

Calculate percentages, percentage increases, decreases, and percentage of a number. Free online percentage calculator.

Scientific Calculator

Use our free online scientific calculator with advanced math functions including sin, cos, log, factorial, and more.

Loan Calculator

Calculate total loan cost, monthly payments, and total interest with amortization schedule. Free online loan calculator.

Currency Converter

Convert between 30+ major world currencies with reference exchange rates. Free online currency converter tool.

Time Zone Converter

Convert times between different world time zones. Free online time zone converter for scheduling meetings and travel planning.

Date Difference Calculator

Calculate the difference between two dates in days, weeks, months, and years. Free online date difference calculator.

Calculate GST inclusive and exclusive amounts for any GST rate. Free online GST calculator for business and tax calculations.

Discount Calculator

Calculate discount amounts, final prices, and savings from original prices. Free online discount calculator for shopping.

Calculate your Grade Point Average (GPA) from course grades and credit hours. Free online GPA calculator for students.

Compound Interest Calculator

Calculate compound interest with principal, rate, time and compounding frequency. Free online compound interest calculator.

Random Number Generator

Generate random numbers with custom minimum, maximum, count, and seed. Free online random number generator tool.

Probability Calculator

Calculate probability for events, combinations, and permutations. Free online probability and statistics calculator.

Speed Converter

Convert between mph, km/h, knots, m/s, and other speed units. Free online speed converter tool.

Length Converter

Convert between meters, feet, inches, miles, kilometers, yards and more. Free online length and distance converter.

Weight Converter

Convert between kilograms, pounds, grams, ounces, stones, and more. Free online weight and mass converter.

Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin temperature scales. Free online temperature converter tool.

Binary Calculator

Perform arithmetic in binary, hexadecimal, and octal. Convert between number bases. Free online binary calculator.

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About Calculators

Free online calculators – age, BMI, EMI, compound interest, unit converters, currency converter and more. SaaSUtils provides a comprehensive collection of 20 calculators that work directly in your browser without any installation or server uploads. All tools are completely free to use.

Key Features

100% browser-based — your data never leaves your device
No signup or registration required
Mobile-friendly and works on all devices
Instant results with no loading delays
Copy results to clipboard with one click