Math Calculators
Percentage, ratio, LCM, HCF, permutation, combination, probability, and statistics calculators.
19 calculators available
Percentage Calculator
Calculate percentages easily. Find what percent one number is of another, or calculate the percentage of a number.
Percentage Increase Calculator
Calculate the percentage increase between two numbers. Find how much a value has grown in percentage terms.
Percentage Decrease Calculator
Calculate the percentage decrease between two numbers. Find how much a value has dropped in percentage terms.
Percentage Change Calculator
Calculate the percentage change between two values. Works for both increases and decreases.
Ratio Calculator
Simplify ratios and solve proportion problems. Find equivalent ratios and missing values in proportions.
LCM Calculator
Calculate the Least Common Multiple (LCM) of two or more numbers. Essential for fraction operations and math problems.
HCF/GCD Calculator
Calculate the Highest Common Factor (HCF) or Greatest Common Divisor (GCD) of two numbers.
Permutation Calculator
Calculate permutations (nPr). Find the number of ways to arrange r items from n items where order matters.
Combination Calculator
Calculate combinations (nCr). Find ways to choose r items from n items where order does not matter.
Probability Calculator
Calculate the probability of events. Find single event probability and combined event probabilities.
Standard Deviation Calculator
Calculate standard deviation, variance, and mean for a data set. Enter comma-separated values for statistical analysis.
Mean Median Mode Calculator
Calculate mean, median, and mode for any data set. Find central tendency measures for your data.
Scientific Calculator
Evaluate scientific expressions with trigonometry, logarithms, powers, roots, and constants.
Fraction Calculator
Add, subtract, multiply, and divide fractions with simplified results.
Weighted Average
Calculate weighted mean from values and corresponding weights.
Z-Score
Calculate z-score from value, mean, and standard deviation.
Confidence Interval
Calculate confidence interval for a population mean using z critical values.
CGPA Calculator Bangladesh
Calculate GPA and CGPA for Bangladesh students with add/remove subject rows, semester/year-wise terms, NU honours weighted method, NU degree average, and university credit-hour system.
Sample Size
Estimate required sample size for a population proportion with chosen confidence and margin of error.
Related Calculators
Percentage Calculator
Calculate percentages easily. Find what percent one number is of another, or calculate the percentage of a number.
Percentage Increase Calculator
Calculate the percentage increase between two numbers. Find how much a value has grown in percentage terms.
Percentage Decrease Calculator
Calculate the percentage decrease between two numbers. Find how much a value has dropped in percentage terms.
Percentage Change Calculator
Calculate the percentage change between two values. Works for both increases and decreases.
Ratio Calculator
Simplify ratios and solve proportion problems. Find equivalent ratios and missing values in proportions.
LCM Calculator
Calculate the Least Common Multiple (LCM) of two or more numbers. Essential for fraction operations and math problems.
Popular Tools
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.
Loan EMI Calculator
Calculate your monthly loan EMI (Equated Monthly Installment). Find out your monthly payment, total interest, and total amount payable.
Profit Margin Calculator
Calculate profit margin percentage from cost and revenue. Find gross profit margin, net profit margin, and markup percentage.
SMV Calculator
Calculate Standard Minute Value for garment operations. Essential for production planning and costing.
Line Efficiency
Calculate sewing line efficiency with all required IE fields: day production, SMV, manpower, working hours, and target/day.
BMI Calculator
Calculate your Body Mass Index (BMI) to check if you are underweight, normal, overweight, or obese.
Recent Articles
smv calculation in garments
SMV Calculation in Garments Industry (Complete Guide with Formula, Example, Calculator & Industrial Insights)
line efficiency calculation garments
Line Efficiency Calculation in Garments Industry (Complete Guide with Formula, Example, Calculator & Expert Tips)
gsm calculation formula
GSM Calculation Formula (Complete Guide with Example, Fabric Types, Conversion & Calculator)
target per hour garments