🧮 Calculators

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Percentage Calculator

Free online percentage calculator. Compute what is X% of Y, X is what percentage of Y, and calculate percentage increase or decrease with step-by-step formulas.

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GST / Sales Tax Calculator

Calculate Goods and Services Tax (GST) and sales tax. Easily calculate GST inclusive and GST exclusive amounts, tax breakdowns, CGST, and SGST.

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EMI & Loan Calculator

Calculate Equated Monthly Installment (EMI) for home loans, auto loans, and personal loans. Get instant monthly payment, total interest, and total payable amounts.

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Compound Interest Calculator

Free compound interest calculator. Calculate future investment value, interest earned, and compound growth with annual, quarterly, or monthly compounding.

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Simple Interest Calculator

Calculate simple interest (SI = P × R × T / 100) on loans and investments. Get instant interest amounts and total maturity values.

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Mortgage Calculator

Estimate monthly mortgage payments including principal, interest, property tax, and home insurance. Calculate 15-year and 30-year fixed home loans.

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SIP Calculator (Systematic Investment Plan)

Calculate returns on your monthly Mutual Fund SIP investments. Estimate total wealth accumulated, invested amount, and estimated capital gains.

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ROI Calculator (Return on Investment & CAGR)

Calculate Return on Investment (ROI), total profit percentage, and Compound Annual Growth Rate (CAGR) for stocks, real estate, and business ventures.

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Salary & Hourly Pay Calculator

Convert hourly wage to annual salary, monthly pay, bi-weekly paycheck, and weekly earnings. Adjust for hours worked per week and paid vacation days.

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Inflation & Purchasing Power Calculator

Calculate the impact of inflation on your money. Find out how much today’s money will be worth in the future and how much purchasing power is lost.

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Discount & Sale Price Calculator

Find the final discounted price and see how much you save on sales, promotions, and store discounts with optional sales tax calculation.

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Tip & Bill Splitter Calculator

Calculate restaurant tip amounts and split dinner bills evenly among friends and group members in seconds.

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Date & Age Calculator

Calculate your exact age in years, months, weeks, days, hours, and minutes from your birth date. Includes upcoming birthday countdown.

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BMI & Health Calculator

Calculate your Body Mass Index (BMI) using Metric (kg/cm) or Imperial (lbs/inches) units and view WHO healthy weight ranges.

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Fraction Calculator (Add, Subtract, Multiply, Divide)

Perform arithmetic on fractions: addition, subtraction, multiplication, division, fraction simplification, mixed numbers, and decimal conversion.

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Scientific & Mathematical Calculator

Free full-featured online scientific calculator with trigonometric functions (sin, cos, tan), logarithms (log, ln), square roots, powers, and factorials.

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Statistics & Data Analysis Calculator

Calculate descriptive statistics for any data set: Mean (Average), Median, Mode, Standard Deviation, Variance, Min, Max, Range, and Quartiles (IQR).

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Quadratic Equation Solver (ax² + bx + c = 0)

Solve quadratic equations ax² + bx + c = 0. Computes discriminant, real and complex roots, parabola vertex coordinates, and axis of symmetry.

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GCD & LCM Calculator (Greatest Common Divisor)

Find the Greatest Common Divisor (GCD/GCF/HCF) and Least Common Multiple (LCM) for two or more numbers using Euclidean algorithm.

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Aspect Ratio Calculator & Resolution Scaler

Calculate aspect ratios (16:9, 4:3, 1:1, 21:9) and scale image or video dimensions proportionally while preserving aspect ratio.

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Sleep Cycle & Optimal Bedtime Calculator

Calculate the best times to fall asleep or wake up refreshed based on natural 90-minute REM sleep cycles and average sleep latency.

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Profit Margin & Markup Calculator

Calculate gross profit, profit margin percentage, and markup percentage from item cost and selling price for business pricing.

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Freelance Hourly Rate & Billable Hours Calculator

Calculate your minimum freelance hourly rate and day rate based on desired take-home salary, billable hours, business overhead, and taxes.

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Working Days & Date Difference Calculator

Calculate total working business days between two dates, automatically excluding Saturdays and Sundays for project planning.

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Calorie, BMR & TDEE Daily Energy Calculator

Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) using the Mifflin-St Jeor formula for weight maintenance or loss.

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Add or Subtract Days to Date Calculator

Calculate future or past dates by adding or subtracting days, weeks, months, or years from any starting date with business day exclusions.

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Download & Upload Time Estimator Calculator

Calculate how long it takes to download or upload a file based on your internet connection speed (Mbps, Gbps, MB/s) and file size (GB, TB, MB).

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Unit Price Comparison Calculator

Compare prices of different product packages and sizes to find the best deal. Calculates unit cost per ounce, gram, pound, liter, or item.

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Credit Card Payoff & Debt Snowball Calculator

Calculate how long it will take to pay off credit card debt. See monthly payment schedules, total interest charges, and payoff date estimates.

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Car Depreciation & Resale Value Calculator

Estimate your vehicle depreciation rate and resale value year-by-year (1 to 10 years). Understand vehicle value retention for new and used cars.

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Electricity Bill & Appliance Energy Cost Calculator

Calculate the cost to run any electrical appliance (AC, heater, PC, TV, EV charger). Estimates daily, monthly, and yearly power bill costs in kWh.

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Gas Mileage & Trip Fuel Cost Calculator

Calculate total fuel cost, gallons/liters needed, and cost per passenger for any road trip or daily commute based on distance, MPG, and gas price.

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Permutation & Combination (nPr, nCr) Calculator

Calculate permutations (nPr) and combinations (nCr) online. Includes step-by-step mathematical formulas, factorial expansions, and repetition modes.

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Matrix Operations Calculator (Add, Multiply, Det, Inverse)

Perform matrix arithmetic online: 2x2 and 3x3 matrix addition, subtraction, matrix multiplication, determinant, transpose, and matrix inverse.

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Triangle Solver (Angles, Sides, Area & Perimeter)

Solve any triangle (Right, SSS, SAS, ASA, AAS) given 3 known sides or angles. Calculates all remaining sides, angles, area (Heron's formula), and perimeter.

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Circle & Sphere Geometry Calculator

Calculate circle area, circumference, radius, diameter, and 3D sphere surface area and volume from any single known dimension with step-by-step formulas.

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Income Tax Calculator (FY 2024-25 & 2025-26)

Free online Income Tax Calculator for FY 2024-25 and FY 2025-26 (AY 2025-26 & AY 2026-27). Compare Old vs New Tax Regime with standard deduction, 80C, 80D, HRA and Section 87A rebate.

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Loan Calculator & Payment Planner

Calculate monthly loan payments, interest breakdown, and amortization schedule with prepayment savings for personal, car, and home loans.

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