All Calculators
Find every calculator in one index with direct links for faster access.
Finance Calculators
VAT Calculator
Calculate VAT (Value Added Tax) quickly. Add VAT to a price or remove VAT from a gross amount with our free online VAT calculator.
Finance Calculators
Sales Tax Calculator
Calculate sales tax on any purchase. Find the total price including tax or the pre-tax price from the total amount.
Finance Calculators
Profit Margin Calculator
Calculate profit margin percentage from cost and revenue. Find gross profit margin, net profit margin, and markup percentage.
Finance Calculators
Markup Calculator
Calculate markup percentage and selling price from cost. Find how much to markup your products for desired profit.
Finance Calculators
Discount Calculator
Calculate the discounted price and savings amount. Find the final price after applying a percentage discount.
Finance Calculators
Break Even Calculator
Calculate the break even point for your business. Find how many units you need to sell to cover your costs.
Finance Calculators
ROI Calculator
Calculate your Return on Investment (ROI). Find ROI percentage and net profit from your investment.
Finance Calculators
Compound Interest Calculator
Calculate compound interest on your savings or investments. See how your money grows over time with the power of compounding.
Finance Calculators
Simple Interest Calculator
Calculate simple interest on loans or investments. Find the interest amount and total amount with our easy calculator.
Finance Calculators
Loan EMI Calculator
Calculate your monthly loan EMI (Equated Monthly Installment). Find out your monthly payment, total interest, and total amount payable.
Finance Calculators
Loan Repayment Calculator
Calculate your loan repayment schedule. See how long it takes to pay off a loan and how extra payments save on interest.
Finance Calculators
Monthly Payment Calculator
Calculate your monthly payment for a loan. Determine installment amounts for mortgages, car loans, or personal loans.
Finance Calculators
Investment Return Calculator
Calculate the total return and annualized return on your investments. Track gains across stocks, real estate, or any asset.
Finance Calculators
Savings Calculator
Calculate how your regular savings will grow over time. See the future value of your savings with interest and regular contributions.
Finance Calculators
Inflation Calculator
Calculate the impact of inflation on your money over time. See how much your purchasing power decreases with inflation.
Finance Calculators
Payback Period Calculator
Calculate the payback period for your investment. Find out how long it takes to recover your initial investment.
Finance Calculators
Currency Converter
Convert between major world currencies with our currency converter. Uses current exchange rates with automatic refresh and fallback.
Finance Calculators
Freelancer Rate Calculator
Calculate the ideal hourly or project rate for freelancing. Factor in expenses, desired salary, and billable hours.
Finance Calculators
Pricing Calculator
Calculate the optimal price for your product or service. Factor in costs, desired margin, and overhead for profitable pricing.
Finance Calculators
Tax Calculator Bangladesh
Calculate your Bangladesh individual income tax using resident tax slabs, minimum tax by area, and investment rebate limits.
Finance Calculators
Income Tax Calculator
Estimate Bangladesh income tax from monthly salary and other annual income using Bangladesh resident slab logic.
Finance Calculators
Tax Return Calculator
Estimate whether you should get a refund or pay additional tax in Bangladesh based on advance tax and final liability.
Finance Calculators
Loan Calculator
Calculate Bangladesh-style reducing-balance loan EMI, total interest, and total repayment amount.
Finance Calculators
Salary Tax Calculator
Calculate yearly tax and suggested monthly tax provision from salary package for Bangladesh taxpayers.
Finance Calculators
Bank Loan Calculator
Calculate bank loan EMI in Bangladesh including processing fee, insurance charge, and net disbursed amount.
Finance Calculators
EMI Calculator
Calculate EMI for home, car, and personal loans in Bangladesh with monthly installment and total interest.
Finance Calculators
Interest Calculator
Calculate simple and compound interest with flexible time periods and compounding frequencies.
Finance Calculators
Pension Calculator
Estimate retirement corpus and monthly pension from regular contributions and expected post-retirement return.
Business Calculators
Gross Profit Calculator
Calculate gross profit and gross profit margin from revenue and cost of goods sold (COGS).
Business Calculators
Net Profit Calculator
Calculate net profit after all expenses. Find net profit margin from revenue, COGS, and operating expenses.
Business Calculators
Commission Calculator
Calculate sales commission amounts and total earnings. Support for flat rate and tiered commission structures.
Business Calculators
Cost Per Unit Calculator
Calculate the cost per unit for manufacturing or products. Factor in fixed and variable costs to find your unit cost.
Business Calculators
Product Pricing Calculator
Calculate the optimal price for your product based on cost, desired markup, and competitor pricing.
Business Calculators
Marketing ROI Calculator
Calculate the return on investment for your marketing campaigns. Measure the effectiveness of your marketing spend.
Business Calculators
Ad ROI Calculator
Calculate the return on investment for your advertising spend. Measure ad campaign effectiveness with ROAS and ROI metrics.
Business Calculators
CAC Calculator
Calculate your Customer Acquisition Cost (CAC). Find out how much you spend to acquire each new customer.
Business Calculators
LTV Calculator
Calculate Customer Lifetime Value (LTV/CLV). Estimate the total revenue a customer generates over their relationship with your business.
Business Calculators
Burn Rate Calculator
Calculate your startup burn rate and runway. Find out how long your cash will last at the current spending rate.
Construction Calculators
Building Cost Calculator
Estimate building construction costs for Bangladesh based on area, floors, and per square foot rate.
Construction Calculators
House Cost Calculator
Estimate Bangladesh house construction cost based on floor area, floors, quality, interior finish, and contingency.
Construction Calculators
Cement Calculator
Calculate the amount of cement needed for your project based on volume and mix ratio.
Construction Calculators
Concrete Calculator
Calculate concrete volume needed for slabs, footings, columns, and walls.
Construction Calculators
Sand Calculator
Calculate the amount of sand needed for your project in tons or cubic yards.
Construction Calculators
Brick Calculator
Calculate the number of bricks needed for a wall or project including mortar joints.
Construction Calculators
Steel Weight Calculator
Calculate the weight of steel bars, rods, and plates. Essential for construction and engineering projects.
Construction Calculators
Tile Calculator
Calculate the number of tiles and boxes needed for floors and walls.
Construction Calculators
Paint Calculator
Calculate how many gallons of paint you need to cover walls and ceilings.
Construction Calculators
Plaster Calculator
Calculate the amount of plaster (cement and sand) needed for walls and ceilings.
Construction Calculators
Roofing Calculator
Calculate roofing materials needed based on roof area and pitch.
Construction Calculators
Floor Area Calculator
Calculate floor area for rectangular, L-shaped, and irregular rooms.
Engineering Calculators
Voltage Calculator
Calculate voltage using Ohm's Law from current and resistance.
Engineering Calculators
Current Calculator
Calculate electrical current from voltage and resistance.
Engineering Calculators
Power Calculator
Calculate electrical power in watts from voltage and current.
Engineering Calculators
Energy Consumption
Calculate energy consumption in kWh and electricity cost.
Engineering Calculators
Battery Backup
Calculate battery backup time for UPS systems.
Engineering Calculators
Solar Panel Calculator
Calculate solar panel system size and number of panels.
Engineering Calculators
Pressure Calculator
Calculate pressure from force and area.
Engineering Calculators
Speed Calculator
Calculate speed from distance and time.
Engineering Calculators
Force Calculator
Calculate force using F = ma.
Engineering Calculators
Torque Calculator
Calculate torque from force and lever arm distance.
Math Calculators
Percentage Calculator
Calculate percentages easily. Find what percent one number is of another, or calculate the percentage of a number.
Math Calculators
Percentage Increase Calculator
Calculate the percentage increase between two numbers. Find how much a value has grown in percentage terms.
Math Calculators
Percentage Decrease Calculator
Calculate the percentage decrease between two numbers. Find how much a value has dropped in percentage terms.
Math Calculators
Percentage Change Calculator
Calculate the percentage change between two values. Works for both increases and decreases.
Math Calculators
Ratio Calculator
Simplify ratios and solve proportion problems. Find equivalent ratios and missing values in proportions.
Math Calculators
LCM Calculator
Calculate the Least Common Multiple (LCM) of two or more numbers. Essential for fraction operations and math problems.
Math Calculators
HCF/GCD Calculator
Calculate the Highest Common Factor (HCF) or Greatest Common Divisor (GCD) of two numbers.
Math Calculators
Permutation Calculator
Calculate permutations (nPr). Find the number of ways to arrange r items from n items where order matters.
Math Calculators
Combination Calculator
Calculate combinations (nCr). Find ways to choose r items from n items where order does not matter.
Math Calculators
Probability Calculator
Calculate the probability of events. Find single event probability and combined event probabilities.
Math Calculators
Standard Deviation Calculator
Calculate standard deviation, variance, and mean for a data set. Enter comma-separated values for statistical analysis.
Math Calculators
Mean Median Mode Calculator
Calculate mean, median, and mode for any data set. Find central tendency measures for your data.
Math Calculators
Scientific Calculator
Evaluate scientific expressions with trigonometry, logarithms, powers, roots, and constants.
Time & Date Calculators
Age Calculator
Calculate your exact age in years, months, and days from your date of birth.
Time & Date Calculators
Date Difference
Calculate the number of days, weeks, and months between two dates.
Time & Date Calculators
Time Duration
Calculate the duration between two times in hours, minutes, and seconds.
Time & Date Calculators
Time Difference
Calculate the difference between two times or time zones.
Time & Date Calculators
Working Days
Calculate the number of working days (weekdays) between two dates.
Time & Date Calculators
Business Days
Calculate a future or past date based on a number of business days.
Time & Date Calculators
Weeks Between Dates
Calculate the number of weeks between two dates.
Time & Date Calculators
Countdown Calculator
Calculate the number of days until a future date or event.
Health Calculators
BMI Calculator
Calculate your Body Mass Index (BMI) to check if you are underweight, normal, overweight, or obese.
Health Calculators
Calorie Calculator
Calculate your daily calorie needs based on age, gender, weight, height, and activity level.
Health Calculators
Ideal Weight
Calculate your ideal body weight based on height and gender using multiple formulas.
Health Calculators
Body Fat Calculator
Estimate your body fat percentage using the US Navy method.
Health Calculators
BMR Calculator
Calculate your Basal Metabolic Rate — calories your body burns at rest.
Health Calculators
TDEE Calculator
Calculate your Total Daily Energy Expenditure including activity level.
Health Calculators
Water Intake Calculator
Calculate how much water you should drink daily based on weight and activity.
Health Calculators
Calorie Deficit Calculator
Calculate your maintenance calories and suggested calorie deficit targets for sustainable fat loss.
Utility Calculators
Tip Calculator
Calculate tip amount and total bill. Split the bill among multiple people.
Utility Calculators
Bill Split Calculator
Split a bill equally or by custom amounts among friends.
Utility Calculators
Fuel Cost Calculator
Calculate the fuel cost for a trip based on distance, fuel efficiency, and price.
Utility Calculators
Fuel Consumption
Calculate fuel consumption rate from distance driven and fuel used.
Utility Calculators
Electricity Cost
Calculate the electricity cost for running appliances over time.
Utility Calculators
Energy Bill Calculator
Estimate your monthly energy bill from total usage and rate.
Utility Calculators
Travel Cost Calculator
Estimate total travel costs including fuel, tolls, and accommodation.
Utility Calculators
Storage Converter
Convert between data storage units: bytes, KB, MB, GB, TB.
Utility Calculators
Internet Data
Calculate internet data usage and costs. Estimate bandwidth needs.
Industrial Engineering (RMG)
SMV Calculator
Calculate Standard Minute Value for garment operations. Essential for production planning and costing.
Industrial Engineering (RMG)
SAM Calculator
Calculate Standard Allowed Minutes for garment operations. Used for line balancing and target setting.
Industrial Engineering (RMG)
Line Efficiency
Calculate sewing line efficiency with all required IE fields: day production, SMV, manpower, working hours, and target/day.
Industrial Engineering (RMG)
Production Capacity
Calculate daily/hourly production capacity of a sewing line.
Industrial Engineering (RMG)
Operator Target
Calculate individual operator production target per hour and per day.
Industrial Engineering (RMG)
Line Target
Calculate daily production target for a complete sewing line.
Industrial Engineering (RMG)
Machine Productivity
Calculate machine productivity and utilization rate.
Industrial Engineering (RMG)
Labor Productivity
Calculate labor productivity in manufacturing.
Industrial Engineering (RMG)
Manpower Requirement
Calculate workforce needed for a production target.
Industrial Engineering (RMG)
Pitch Time
Calculate pitch time for line balancing in garment manufacturing.
Industrial Engineering (RMG)
Takt Time
Calculate takt time based on customer demand and available production time.
Industrial Engineering (RMG)
Line Balancing
Calculate line balancing efficiency and identify bottlenecks.
Industrial Engineering (RMG)
Garment Cost
Calculate garment manufacturing cost including CM, trims, and overhead.
Industrial Engineering (RMG)
Thread Consumption
Calculate sewing thread consumption per garment.
Industrial Engineering (RMG)
Fabric Consumption
Calculate fabric consumption per garment based on marker data.
Industrial Engineering (RMG)
GSM Calculator
Calculate fabric GSM (grams per square meter) from sample weight.
Industrial Engineering (RMG)
Marker Efficiency
Calculate marker efficiency — how well fabric is utilized in cutting.
Industrial Engineering (RMG)
Cutting Efficiency
Calculate cutting room efficiency and productivity.
Industrial Engineering (RMG)
Production Planning
Plan production schedules based on orders, capacity, and lead time.
Industrial Engineering (RMG)
Daily Production
Calculate and track daily production output and efficiency.
Garment Merchandising
Fabric Requirement
Calculate total fabric requirement for a garment order including waste.
Garment Merchandising
Order Costing
Calculate total order cost including fabric, trims, CM, and overhead.
Garment Merchandising
FOB Price
Calculate FOB (Free on Board) price for garment exports.
Garment Merchandising
CM Cost
Calculate Cut & Make cost per garment based on SAM and minute costs.
Garment Merchandising
Garment Profit
Calculate profit per garment and per order from selling price and costs.