Free Online Calculators & Tools
Quick, secure, and 100% private. All calculations run entirely inside your browser. No data ever leaves your device.
Browse by Category
Explore our range of structured tools by topic
Finance & Loans
Calculate EMIs, investments, interest, compound interest, HRA, and tax comparisons.
Health & Fitness
Assess your BMI, ideal weight, daily calories, and check due dates or heart rate zones.
Education & Career
GPA, CGPA to percentage, attendance trackers, and grade calculation tools.
Unit & General Converters
Convert lengths, temperatures, weights, numbers to words, roman numerals, and time zones.
Math & Utility
Work with percentages, averages, fractions, random numbers, standard deviations, and generate secure passwords.
Real Estate
Stamp duty calculators, home affordability estimators, property tax, and rental yields.
Business & Freelance
Estimate freelance rates, profit margins, markups, ROIs, break-even points, and generate client invoices.
Insurance & IDV
Check life insurance needs, term insurance premiums, and vehicle IDV deprecations.
Crypto & Stocks
Analyze stock DCA entries, calculate crypto profits, dividend yields, and P/E ratios.
Text & SEO Tools
Live word counters, slug converters, case switchers, SERP length checkers, and QR generators.
Date & Time
Calculate date differences, workdays, meeting planners, and custom countdowns.
Automobile & Travel
Car loan calculations, fuel cost estimates, and car depreciation schedules.
Numerology & Names
Numerology number reductions and baby name matching calculators.
Developer & AI Tools
Generate JWT keys, export public shared AI chats to JSON, and inspect data payloads.
Prepare for Tech Interviews with InterviewGenie
Most Popular Tools
Our most visited calculators used daily by millions
EMI Calculator
Calculate your Equated Monthly Installment (EMI) for home loans, personal loans, or car loans.
SIP Calculator
Calculate the future value of your Mutual Fund investments via Systematic Investment Plan (SIP).
Inflation Calculator
Calculate the future value of purchasing power over time given inflation rates.
Salary/CTC to In-Hand Calculator
Estimate monthly take-home salary from your Cost to Company (CTC) after deductions.
BMI Calculator
Calculate your Body Mass Index (BMI) to check if you are within a healthy weight range.
GPA Calculator
Calculate your semester or cumulative GPA based on course grades and credit hours.
Percentage Calculator
General purpose percentage calculator for increases, decreases, fractions, and proportions.
Universal Unit Converter
Convert lengths, weights, areas, volume, and temperatures.