Free Online Calculators — No Signup Required

16 free tools — no login required

Calculate EMI, BMI, age, date differences, currency exchange rates, compound interest, GST, tips, discounts, fuel cost, calories, time intervals, Unix timestamps, Roman numerals, and number-to-words conversions.

EMI Calculator

Calculate monthly loan EMI payments

Popular

BMI Calculator

Calculate Body Mass Index and health category

Percentage Calculator

Calculate percentages, increases, and decreases

Age Calculator

Calculate your exact age in years, months, and days

Date Difference Calculator

Calculate the difference between two dates

Currency Converter

Real-time currency exchange rate converter

Popular

Compound Interest Calculator

Calculate compound interest growth

GST Calculator

Calculate GST inclusive or exclusive

Tip Calculator

Calculate tip and split the bill

Discount Calculator

Calculate final price after discount

Fuel Cost Calculator

Calculate fuel consumption and trip cost

Calorie Calculator

Calculate daily calorie needs (TDEE)

Time Calculator

Add or subtract time durations

Unix Timestamp Converter

Convert Unix timestamps to dates

Roman Numeral Converter

Convert between Roman numerals and numbers

Number to Words

Convert numbers to English words

Why Use These Tools?

No installation, no account, and works on any device. All processing happens in your browser.