All Calculators
140 tools organized by category. Jump to any section.
Finance
Loans, investments, taxes, and money · 37 tools
Currency Converter
Convert between 30 major world currencies instantly with reference rates — see the converted amount, exchange rate, and inverse rate.
EMI Calculator
Calculate Equated Monthly Instalments for home, personal, car, and education loans — with interest split and total payable.
SIP Calculator
Project the future value of a Systematic Investment Plan — see how a fixed monthly contribution compounds over years.
Compound Interest Calculator
See how a one-time principal grows under compound interest at any rate, tenure, and compounding frequency (daily, monthly, quarterly, yearly).
Loan Eligibility Calculator
Find out how much loan you can qualify for.
Income Tax Calculator
Estimate your Indian income tax under the new and old regimes for FY 2025-26 (AY 2026-27).
Retirement Calculator
Plan how much you need to retire comfortably.
Fixed Deposit Calculator
Calculate maturity value of fixed deposits.
Recurring Deposit Calculator
Calculate returns on monthly recurring deposits.
Mutual Fund Returns
Calculate returns on lump sum MF investments.
Stock Profit/Loss
Calculate gains or losses on stock trades.
Dividend Yield Calculator
Calculate annual dividend yield on a stock.
Credit Card Interest
How much credit card interest will cost you.
Debt Payoff Calculator
Plan when you will be debt-free.
Net Worth Calculator
Calculate your total net worth.
Salary to Hourly
Convert annual salary to hourly rate.
Tip Calculator
Split a restaurant bill fairly with tip — get tip amount, total, and per-person share for any group size.
GST Calculator
Calculate GST inclusive & exclusive amounts.
PPF Calculator
Calculate Public Provident Fund maturity.
NPS Calculator
Plan your National Pension Scheme returns.
Lumpsum Calculator
Project the future value of a one-time mutual fund or equity lumpsum investment.
HRA Calculator
Calculate exempt and taxable HRA under Section 10(13A) — old regime tax saving on house rent.
CIBIL Score Estimator
Estimate where your CIBIL score sits based on credit habits — utilisation, payment history, account age, and inquiries.
Inflation Calculator
See what an amount of money is worth across time at a chosen average annual inflation rate — project forward to 2076 or look back to 1950.
EMI Prepayment Calculator
See exactly how much interest a part-prepayment saves you and how many months it cuts off your loan — for extra monthly payments, a yearly lump sum, or both.
Step-Up SIP Calculator
Increase your SIP by a fixed percentage every year and see what that does to your corpus — the top-up SIP maths that a flat SIP calculator cannot show.
XIRR Calculator
Work out the true annualised return on a SIP, where every instalment was invested for a different length of time — and see why the simpler CAGR number overstates it.
In-Hand Salary Calculator
Turn a CTC offer into the amount that actually reaches your bank account — PF, professional tax by state, and income tax under both regimes, for FY 2025-26 (AY 2026-27).
Gratuity Calculator
Work out your gratuity under the Payment of Gratuity Act — the 15/26 formula, the five-year rule, and how much of it is tax-free.
HRA Exemption Calculator
How much of your House Rent Allowance is actually tax-free under Section 10(13A) — the three-way minimum, and why metro status changes the answer.
Leave Encashment Calculator
What your unused earned leave is worth when you resign or retire, and how much of that payout escapes tax.
Notice Period Buyout Calculator
What it costs to leave early — the buyout amount for unserved notice days, and what your new employer would need to reimburse.
Old vs New Tax Regime Calculator
Which regime leaves you with more money, for FY 2025-26 (AY 2026-27) — with the break-even deduction figure that decides it.
Loan Against Property Calculator
How much you can borrow against a property you already own, what the EMI works out to, and what the whole thing costs in interest over the tenure.
Home Loan Balance Transfer Calculator
Whether switching your home loan to a cheaper lender is actually worth it once the processing fee, legal charges and valuation are counted.
Home Loan Tax Benefit Calculator
What your home loan actually saves you in tax under Section 24(b) and 80C — and why the answer is zero on the new regime (FY 2025-26 (AY 2026-27)).
Rent vs Buy Calculator
Compares your net worth after N years if you buy against if you rent and invest the difference — the only comparison that actually answers the question.
Health
BMI, calories, fitness and wellness · 18 tools
BMI Calculator
Calculate your Body Mass Index in seconds — with WHO categories and Asian-specific cutoffs.
BMR Calculator
Calculate your Basal Metabolic Rate — the calories your body burns at complete rest.
Calorie Calculator
Daily calorie needs to maintain, lose, or gain weight — based on your BMR and activity level.
Macro Calculator
Calculate protein, carbs, and fat ratios.
Body Fat %
Estimate body fat percentage.
Ideal Weight
Find your ideal weight based on height.
Water Intake
Daily water needs based on weight & activity.
Pregnancy Due Date
Estimate your baby's due date.
Ovulation Calculator
Find your fertile window.
Heart Rate Zone
Training zones based on age.
VO2 Max
Estimate aerobic fitness capacity.
Running Pace
Calculate running pace per km/mile.
One-Rep Max
Calculate your 1RM for any lift.
Sleep Cycle
Best bedtime based on wake time.
Age Calculator
Calculate your exact age in years, total months, and total days from any date of birth — accurate down to the day.
TDEE Calculator
Estimate your total daily energy expenditure (TDEE) from age, sex, height, weight, and activity level using the Mifflin-St Jeor equation.
Calories Burned Calculator
Estimate calories burned for 20 common activities from your weight and workout duration using research-based MET values.
Protein Intake Calculator
Find your daily protein target in grams from your body weight and training goal, with low/high ranges and a per-meal breakdown.
Math
Scientific, statistical, and calculus · 18 tools
Percentage Calculator
Find X% of a number, percentage increase, percentage decrease, and percent difference — all in one tool.
Fraction Calculator
Add, subtract, multiply & divide fractions.
Quadratic Equation
Solve ax² + bx + c = 0.
Statistics Calculator
Mean, median, mode, and std deviation.
Probability Calculator
Calculate event probability.
LCM & GCD Calculator
Find LCM and GCD of two numbers.
Logarithm Calculator
Calculate log base any.
Trigonometry
sin, cos, tan for any angle.
Binary Converter
Convert between binary, decimal, hex.
Ratio Calculator
Simplify and scale ratios.
Average Calculator
Mean of multiple numbers.
Factorial Calculator
Calculate n! for any number.
Prime Number Checker
Check if a number is prime.
Power / Exponent
Calculate base^exponent.
Square Root
Find square & cube roots.
Scientific Calculator
A full scientific calculator in your browser — trig in degrees or radians, logarithms, powers, roots, factorials, and memory keys with proper order of operations.
Random Number Generator
Generate fair, unbiased random numbers in any range you choose — both endpoints included. Perfect for raffles, giveaways, games, sampling, and quick decisions.
Percentage Change Calculator
Find the percentage increase or decrease between two numbers, with the direction of change and the exact difference shown instantly.
Crypto
Bitcoin, staking, DeFi and trading · 10 tools
Crypto Profit Calculator
Calculate profit, loss, and percent return on any crypto trade — Bitcoin, Ethereum, or altcoins — from buy price, sell price, and quantity.
Bitcoin Mining Calculator
Estimate Bitcoin mining profitability.
Ethereum Gas Calculator
Calculate gas fees in USD.
Staking Rewards
Project staking rewards over time.
DCA Calculator
Dollar-cost averaging over time.
Impermanent Loss
Calculate IL on LP positions.
Crypto Tax Calculator
Estimate capital gains tax on crypto.
NFT ROI Calculator
Calculate NFT return on investment.
Crypto Converter
Convert crypto to USD.
Portfolio Calculator
Track multi-coin portfolio value.
Engineering
Electrical, mechanical, and civil · 10 tools
Ohm's Law Calculator
V = IR, find voltage, current, or resistance.
Voltage Divider
Calculate output voltage for a divider.
Electrical Power
Calculate electrical power (P = VI).
Torque Calculator
Torque from force and lever arm.
Unit Converter
Convert between metric and imperial.
Concrete Calculator
Calculate concrete volume for slabs.
Pipe Flow Calculator
Flow rate through circular pipe.
Gear Ratio Calculator
Calculate gear ratios and output RPM.
RPM Calculator
Surface speed to RPM conversion.
Resistor Color Code
Resistance from 4-band color code.
Daily Life
Tips, travel, cooking and more · 14 tools
Fuel Cost Calculator
Trip fuel cost from distance and MPG.
Travel Time Calculator
Estimate travel time from distance & speed.
Date Difference
Days between two dates.
Split Bill Calculator
Split expenses fairly between people.
Cooking Conversion
Convert cups, tablespoons, grams.
Paint Calculator
Gallons of paint needed for a room.
Carpet & Tile Calculator
Flooring area and boxes needed.
Countdown Calculator
Time remaining until an event.
Gift Budget Calculator
Budget and split gift costs.
Quick Tip Calculator
Fast tip calculation for any bill.
Square Footage Calculator
Find the square footage of rectangles, circles, triangles, and border/frame areas — with square-meter conversion and an optional material cost estimate.
Love Calculator
Type two names to get a playful 0–100 compatibility score and a verdict — just for fun, with zero science involved.
Hours Calculator
Find the hours between a start and end time, subtract unpaid breaks, and handle overnight shifts — results in hh:mm and decimal hours.
Date Calculator
Add or subtract days, weeks, months, or years from any date — with an optional business-days mode that skips weekends.
Education
GPA, grades, and study tools · 23 tools
GPA Calculator
Calculate your semester GPA on the 4.0 scale — weighted by credit hours, with the standard letter-to-GPA conversion table.
CGPA Calculator
Calculate cumulative GPA across semesters.
Percentage to GPA
Convert percentage to 4.0 GPA.
Grade Calculator
Weighted grade for assignments & exams.
Exam Score Predictor
Score needed on final for target grade.
Study Hours Calculator
Weekly study hours for your courses.
Assignment Weight
Effect of assignment on final grade.
Class Rank Calculator
Your percentile in class.
Attendance Calculator
Classes you can skip safely.
Reading Speed
Words per minute reading speed.
VTU CGPA to Percentage Calculator
Convert your VTU CGPA to a percentage using the (CGPA − 0.75) × 10 rule VTU publishes for the 2015, 2017 and 2018 schemes — with the CBCS grade table and your class.
AKTU CGPA to Percentage Calculator
Convert your AKTU (UPTU) CGPA to a percentage using the (CGPA − 0.75) × 10 rule from the B.Tech ordinance, and see which division that puts you in.
JNTU CGPA to Percentage Calculator
Convert JNTUH, JNTUK or JNTUA CGPA to a percentage with the (CGPA − 0.75) × 10 rule used across all three JNTU campuses.
Anna University CGPA to Percentage Calculator
Convert Anna University CGPA to a percentage. Anna University uses a straight CGPA × 10 with no deduction — this shows exactly what that means for your marks.
CBSE CGPA to Percentage Calculator
Convert your CBSE CGPA to a percentage with the official × 9.5 multiplier, including the A1–E grade table used on the Class 10 and 12 marksheet.
Delhi University CGPA to Percentage Calculator
Convert Delhi University CGPA to a percentage. DU changed the rule with NEP — CBCS batches use × 9.5 and 2022-23 onwards use × 10, so pick your admission year.
GGSIPU CGPA to Percentage Calculator
Convert GGSIPU (IP University) CGPA to a percentage. IPU changed the rule in 2024 — pick your admission year, because the two formulas differ by 7.5 points.
KTU CGPA to Percentage Calculator
Convert KTU (Kerala Technological University) CGPA to a percentage using the straight × 10 rule introduced by the 2023 University Order.
GTU CGPA to Percentage Calculator
Convert GTU CGPA or CPI to a percentage using the (CPI − 0.5) × 10 rule, with the division your percentage falls into.
BPUT CGPA to Percentage Calculator
Convert BPUT (Odisha) CGPA to a percentage using the (CGPA − 0.5) × 10 rule, with your resulting class or division.
VIT CGPA to Percentage Calculator
Convert VIT CGPA to a percentage using the straight × 10 rule — no deduction, unlike VTU or JNTU.
Percentile to Rank Calculator
Turn a JEE Main, CAT or CUET percentile into an approximate All India Rank — and understand why percentile and percentage are not the same thing.
SGPA Calculator
Calculate your semester GPA properly — weighted by the credits each subject carries, which is how every Indian university actually computes it.
Business
ROI, margins, and SaaS metrics · 10 tools
ROI Calculator
Compute Return on Investment as a percentage from initial cost and gain — for marketing campaigns, real estate, or any business project.
Break-Even Calculator
Units to sell to cover costs.
Profit Margin
Gross and net profit margins.
Markup Calculator
Selling price from cost and markup.
Discount Calculator
Get the final price and amount saved after any percentage discount — also handles stacked discounts and reverse-calculates the original price.
CAGR Calculator
Compound annual growth rate.
Payroll Calculator
Net pay after taxes & deductions.
Inventory Turnover
Efficiency of inventory management.
Customer LTV
Lifetime value of a customer.
Ad ROAS Calculator
Return on ad spend.