All Calculators on CalcWarehouse.com

Compute monthly EMI for loans by principal, interest rate, and tenure.

See how prepaying your loan reduces tenure and interest. Compare recurring vs one-time prepayment.

Estimate monthly payments, total interest and amortization for home loans.

Compare buying versus renting with projected equity, ownership costs, rent growth and investment value over time.

Calculate return on investment for property. Purchase price, sale price, costs. ROI percentage.

Calculate gross rental yield from annual rent and property value. Compare investment properties.

Estimate stamp duty (transfer tax) on property purchase. Property value and rate.

Calculate down payment amount and loan amount from purchase price and down payment percentage.

Compare current vs new mortgage. Monthly savings, break-even, interest savings.

Estimate annual property tax from assessed value and local tax rate.

Estimate the future value of systematic investment plans with monthly contributions.

Estimate the future value of step-up SIPs where your monthly contribution increases by a fixed percentage each year.

Analyze loan repayment schedules, total interest outgo, and monthly payment amounts.

Estimate EMI for unsecured personal loans: weddings, medical, debt consolidation.

Estimate monthly EMI, total interest and amortization for car loans.

Calculate compound interest growth for savings and investments.

Compute simple interest and total amount for loans and deposits.

Estimate the future cost of today’s money by applying a constant annual inflation rate over time.

Estimate the future value and total gain from a one-time lumpsum investment.

Project mutual fund returns from lumpsum and SIP, or calculate actual returns from NAV. Future value, CAGR, absolute return.

Calculate dividend yield from annual dividend per share and stock price. Compare income stocks.

Calculate weighted average return of a portfolio from holdings and their returns.

Estimate years to double your investment at a given annual return rate. Quick compounding rule.

Estimate take-home pay from gross annual salary with deductions.

Estimate net pay per pay period for weekly, bi-weekly or monthly pay.

Convert hourly wage to annual salary. Enter rate and hours per week for weekly, monthly, and yearly gross pay.

Convert salary to hourly rate. Enter yearly, monthly, or weekly salary and hours per week.

Calculate overtime pay from regular hours, OT hours, rate, and multiplier (e.g. 1.5 for time-and-a-half).

Estimate retirement corpus from savings and contributions. Optional pension drawdown.

Estimate how long it takes to pay off a credit card balance and how much interest you will pay based on APR and monthly payment.

Estimate the approximate APR (annual percentage rate) of a loan from rate, term and fees.

Add VAT or sales tax to a price and see tax amount plus price including tax.

Add or extract GST from prices. Add GST to exclusive prices or reverse-calculate from inclusive prices.

Estimate monthly car lease payment from capitalized cost, residual value, term and APR. Money factor formula.

View month-by-month principal and interest breakdown for any loan. Full amortization table.

Allocate income across housing, food, transport and more. See surplus or deficit vs savings target.

Estimate corpus at retirement and monthly income possible from savings, contributions, return and inflation.

Financial Independence Retire Early. Years to FIRE, corpus at target age, safe withdrawal amount.

Monthly saving needed to reach a target with initial savings. Goal planner with lump sum option.

Max eligible loan and EMI from monthly income, existing EMI, FOIR and rate. Home and personal loan eligibility.

Credit utilization percentage from balance and limit. Get recommendations for credit score health.

Compute simple return on investment (ROI) as a percentage from initial and final values.

Find the compound annual growth rate (CAGR) between a starting and ending value over a period of years.

Compare CAGR and absolute return side by side. See total gain and annualised growth rate for any investment.

Find selling price and profit from cost and markup percentage. Retail and wholesale pricing.

Find tip amount and total from bill and tip percentage. Split among diners.

Find commission amount and net amount from sale and commission rate.

Find profit, profit margin %, and markup from cost and selling price.

Find the break-even quantity and revenue needed to cover fixed and variable costs using contribution margin.

Add up your assets and debts to estimate your current net worth and track financial progress over time.

Work out the monthly saving needed to reach a future money goal by a chosen date.

Estimate future value when you invest a lump sum plus regular monthly contributions at an assumed rate of return.

Estimate fixed monthly income from a lump sum over a chosen period at an assumed rate of return.

Project investment or savings growth with compounding and recurring contributions.

Discount a future amount into today's value using rate, time and compounding assumptions.

Calculate NPV of cash flows at a discount rate. Positive NPV suggests investment is worthwhile.

Calculate internal rate of return for periodic cash flows. IRR is the discount rate where NPV equals zero.

Calculate annualised IRR for irregular cash flows with different dates. Mutual fund, SIP returns.

Estimate debt payoff timeline, total paid and interest cost with monthly and extra payments.

Compute your debt-to-income ratio from gross monthly income and debt payments. Lenders prefer DTI below 36%.

See how inflation erodes purchasing power. Enter amount, rate and years for future cost and purchasing power loss.

Compare ROI and IRR side by side. For single investments, IRR equals annualised return. No sign-up.

Estimate total fuel cost from distance, fuel efficiency and price per unit. Supports mpg and L/100km.

Calculate fuel efficiency (mpg or L/100km) from distance traveled and fuel used.

Estimate VAT refund when purchase price includes VAT. Enter total paid and VAT rate.

Convert between currencies using exchange rates. Enter amount and rates. No sign-up.

Calculate portfolio allocation percentages. Enter asset amounts to see percentages that sum to 100%.

Calculate risk/reward ratio from entry, stop loss and target prices. Trading and investing.

Estimate capital gains tax from purchase price, sale price and tax rate. Simplified calculation.

Estimate income tax from gross income, tax rate and deductions. Simplified bracket-style.

Convert amounts using exchange rates. Same logic as currency converter. Enter amount and rates.

Estimate future salary needed to maintain purchasing power. Inflation rate and years.

Calculate final value from initial value, growth rate and years. Compound growth formula.

Check your Body Mass Index (BMI) using metric or imperial units.

Estimate daily calorie needs based on age, gender, height, weight, and activity level.

Calculate basal metabolic rate with Mifflin-St Jeor equation.

Estimate body fat % with US Navy method. Waist, neck, hip.

Estimate due date with Naegele's rule. LMP + 280 days.

Estimate ovulation date and fertile window. Conception planning.

Estimate weight-loss timeline from current weight, target weight and daily calorie deficit.

Estimate ideal reference weight using Devine formula and compare healthy BMI range.

Convert daily calories into protein, carb and fat grams based on your macro split.

Estimate total daily energy expenditure and calorie targets for lose, maintain or gain goals.

Convert distance and time into pace per kilometer, pace per mile and average speed.

Estimate body surface area (BSA) from height and weight using Mosteller formula.

IOM-based recommended weight gain by pre-pregnancy BMI and weeks pregnant.

Estimate max heart rate and training zones from age (220 - age formula).

Estimate blood alcohol content from gender, weight, drinks and time.

Estimate daily water needs from weight and activity level.

Estimate daily protein needs by weight and goal (maintenance, muscle gain, weight loss).

Calculate lean body mass and fat mass from weight and body fat percentage.

Calculate waist-to-hip ratio and health risk category from waist and hip measurements.

Estimate height, weight and BMI percentiles for children by age, gender and measurements.

Estimate conception date from due date. Conception ≈ due date − 266 days (38 weeks).

Estimate due date from Crown-Rump Length (CRL) at 6–14 weeks. Robinson formula.

Estimate due date from embryo transfer date. Day 3: +263 days. Day 5: +261 days.

Estimate daily calorie target for maintenance, weight loss or gain. Mifflin-St Jeor BMR.

Solve everyday percentage problems such as increase, decrease, and what percent of.

Calculate the percentage increase from an original value to a new value. Growth rate, price increase.

Calculate the percentage decrease from an original value to a new value. Discount, decline.

Calculate the percentage change between two values. Positive or negative change.

Calculate weighted average from values and weights. GPA, grades, portfolio returns.

Check if a year is a leap year. Leap year rules: divisible by 4, except centuries, unless divisible by 400.

Calculate permutations P(n,r) – number of ways to arrange r items from n. Order matters.

Calculate combinations C(n,r) – number of ways to choose r items from n. Order does not matter.

Find exact age in years, months, and days. Age calculator with hour, minute, second. Age on specific future date. Days until next birthday.

Find the exact time between two dates in years, months, days, total days and weeks.

Add or subtract hours, minutes and seconds. Convert to total hours, minutes and seconds.

Simplify ratios and compare proportional relationships between quantities.

Compute discount amounts, sale prices, and savings percentages for shopping and pricing.

Compute standard deviation, variance, mean. Population or sample.

Simplify fractions and convert them to decimal and percentage form.

Calculate weighted GPA from course grades and credits. 4.0 scale.

Convert length, mass, temperature, volume, area, time, speed. cm to inches, kg to lbs.

Convert score to percentage and letter grade. Enter points earned and total points.

Find what score you need on the final exam to reach your target grade. Enter current grade, weights and target.

Calculate weighted GPA with letter grades and optional weight for honors/AP courses. Credits and grade points.

Calculate total SAT score from EBRW and Math section scores. Each section 200–800, total 400–1600.

Calculate CGPA on a 10-point scale. Enter grade points and credits per course. Common in Indian universities.

Find the exact age difference between two people. Enter both dates of birth for years, months, days and total days.

Calculate work hours with break deduction and overtime pay. Clock in/out, break minutes, hourly rate.

Solve proportions a/b = c/d. Find the unknown value in proportional relationships.

Compute mean, median, mode, min and max from a list of numbers. Statistics helper.

Calculate probability from favorable and total outcomes. Simple probability formula.

Compute z-score from value, mean and standard deviation. Standard normal distribution.

Calculate variance, standard deviation and mean. Population or sample variance.

Generate random integers between a minimum and maximum. Fair random picker.

Add and subtract binary numbers. Binary arithmetic for computer science.

Add hexadecimal numbers. Hex arithmetic for programming and color codes.

Convert numbers to Roman numerals and Roman numerals to numbers. 1–3999.

Calculate age in months from birth date to a reference date. Baby and child age.

Find days, hours, minutes and seconds until a future date from today.

Count business days (weekdays) between two dates. Excludes weekends.

Calculate total work hours from multiple start and end time sessions.

Count down days, hours, minutes and seconds until a target date or event.

Convert between meters, centimeters, inches, feet, yards, miles and kilometers.

Convert between kilograms, grams, pounds and ounces.

Convert between Celsius, Fahrenheit and Kelvin.

Convert between liters, milliliters, gallons, cups and fluid ounces.

Calculate area of rectangle, circle and triangle from dimensions.

Calculate volume of cube, cylinder and sphere from dimensions.

Estimate concrete volume and bags needed for slabs and footings.

Estimate bricks needed for a wall from dimensions and brick size.

Estimate gallons of paint needed for walls from dimensions and coverage.

Estimate tiles needed for a floor from floor and tile dimensions.

Estimate shingle bundles needed for roof area with pitch factor.

Calculate riser height and tread depth from total rise and run.

Estimate cement bags needed for concrete volume and mix ratio.

Calculate weight of rebar and steel plates from dimensions.

Find least common multiple of two integers for fractions and number theory problems.

Find greatest common divisor of two integers for simplification and divisibility checks.

Compute powers from base and exponent for algebra, science and growth calculations.

Find principal square roots of non-negative numbers for algebra and geometry.

Solve ax² + bx + c = 0. Find real or complex roots using the quadratic formula.

Create secure random passwords with length and character options. No sign-up.

Convert numbers to and from scientific notation. Decimal and scientific form (e.g. 1.5e3).

Calculate log base b of x. Logarithm with any base. Formula: log_b(x) = ln(x) / ln(b).

Calculate sin, cos, tan for any angle. Degrees or radians. Trigonometry helper.

Add, subtract, or multiply 2x2 matrices. Matrix arithmetic for algebra and linear algebra.

Convert time between UTC offsets. Enter time and source/target offsets in hours.

Find day of week from any date. Enter year, month, day to get Sunday, Monday, etc.

Estimate token count for LLM prompts and AI API usage with character or word-based heuristics.