All Calculators
Browse all 60 calculators across eight practical categories.
CGPA Calculator
Calculate CGPA using semester SGPA values and semester credits.
StudentCGPA to Percentage Calculator
Convert CGPA to percentage using a common or custom multiplier.
StudentSGPA Calculator
Calculate SGPA from subject grade points and credits.
StudentSGPA to Percentage Calculator
Convert SGPA to percentage using a common or custom multiplier.
StudentAttendance Calculator
Calculate your current class attendance percentage and attendance status.
Student75% Attendance Calculator
Calculate how many classes you need to attend to reach 75% attendance, or how many you may miss while staying at 75%.
StudentRequired Marks Calculator
Calculate how many marks you need in an upcoming exam to reach a target overall percentage.
StudentGrade Calculator
Convert marks or percentage into a letter grade using a common academic scale.
FinanceEMI Calculator
Calculate monthly EMI, total interest and total payment for a loan.
FinanceHome Loan EMI Calculator
Calculate home loan EMI, total interest and total repayment for a housing loan.
FinanceSIP Calculator
Estimate the future value, invested amount and potential gain from a monthly SIP.
FinanceStep-Up SIP Calculator
Estimate future value when your monthly SIP increases by a fixed percentage every year.
FinanceSWP Calculator
Estimate investment balance after regular monthly withdrawals using an assumed annual return.
FinanceLumpsum Calculator
Estimate future value and gain from a one-time investment using an assumed annual return.
FinanceFD Calculator
Calculate estimated fixed deposit maturity amount and interest for different compounding frequencies.
FinanceRD Calculator
Estimate recurring deposit maturity amount from monthly deposit, interest rate and tenure.
FinancePPF Calculator
Estimate Public Provident Fund maturity using annual contribution, current interest rate and investment period.
FinanceCompound Interest Calculator
Calculate compound interest, future value and total interest for different compounding frequencies.
FinanceIncome Tax Calculator
Estimate Indian income tax for Tax Year 2026-27 under new or old tax regime for ordinary income up to ₹50 lakh.
FinanceGST Calculator
Calculate GST amount, pre-tax value and total price for GST-exclusive or GST-inclusive amounts.
Civil & ConstructionHouse Construction Cost Calculator
Estimate house construction cost from total built-up area, editable cost per square foot and contingency percentage.
Civil & ConstructionConcrete Calculator
Calculate concrete volume for slabs, beams, footings and other rectangular pours using metre or feet dimensions.
Civil & ConstructionCement Sand Aggregate Calculator
Estimate cement bags, sand and aggregate from concrete volume and an editable nominal mix ratio.
Civil & ConstructionBrick Calculator
Estimate number of bricks for a wall using wall dimensions, brick size, mortar joint and wastage.
Civil & ConstructionSteel / TMT Weight Calculator
Calculate theoretical TMT bar weight from bar diameter, length and quantity.
Civil & ConstructionTile & Flooring Calculator
Calculate floor area, number of tiles and wastage allowance from room and tile dimensions.
Civil & ConstructionPaint Calculator
Estimate litres of wall paint from paintable area, number of coats, product coverage and wastage allowance.
Electrical EngineeringCable Size Calculator
Estimate preliminary copper or aluminium cable size from load current, voltage drop, run length and design margin.
Electrical EngineeringVoltage Drop Calculator
Estimate single-phase or three-phase cable voltage drop from conductor size, current, length and conductor material.
Electrical EngineeringMotor Current Calculator
Calculate approximate single-phase or three-phase motor full-load current from kW or HP, voltage, efficiency and power factor.
Electrical EngineeringElectrical Load Calculator
Calculate demand kW, kVA and current from connected load, demand factor, voltage and power factor.
Electrical EngineeringTransformer Size Calculator
Estimate required transformer kVA from maximum demand kW, power factor and spare-capacity margin.
Electrical EngineeringDG Size Calculator
Estimate preliminary diesel generator kVA from running load, largest motor starting multiplier, generator power factor and safety margin.
Electrical EngineeringAPFC kVAR Calculator
Calculate capacitor-bank kvar required to improve power factor from an existing PF to a target PF.
Electrical EngineeringkW to HP / HP to kW Calculator
Convert kilowatts to mechanical horsepower or horsepower to kilowatts using 1 HP = 0.746 kW.
Land & PropertyWest Bengal Land Unit Calculator
Convert West Bengal land units including Bigha, Katha, Chatak, Decimal, Acre, square feet and square metres.
Land & PropertyKatha to Square Feet Calculator
Convert Katha to square feet using the West Bengal standard of 1 Katha = 720 sq ft.
Land & PropertySquare Feet to Katha Calculator
Convert square feet to Katha using the West Bengal standard of 720 sq ft per Katha.
Land & PropertyDecimal to Square Feet Calculator
Convert Decimal or Satak to square feet using 1 Decimal = 435.6 sq ft.
Land & PropertyBigha Katha Chatak Calculator
Combine or convert Bigha, Katha and Chatak into square feet, Decimal and other West Bengal land units.
Land & PropertyPlot Area Calculator
Calculate plot area for rectangle, triangle or trapezoid shapes and convert the result to common West Bengal land units.
Business & MarketingROAS Calculator
Calculate return on ad spend, ROAS percentage, estimated gross profit after ad spend and break-even ROAS.
Business & MarketingMarketing ROI Calculator
Calculate marketing ROI from attributed revenue, marketing cost and optional gross margin.
Business & MarketingProfit Margin Calculator
Calculate gross profit, profit margin and markup from revenue and cost.
Business & MarketingBreak-Even Calculator
Calculate break-even units, break-even revenue and contribution margin from fixed cost, selling price and variable cost.
Business & MarketingCTR Calculator
Calculate click-through rate from clicks and impressions.
Business & MarketingCPC Calculator
Calculate average cost per click from advertising cost and clicks.
Business & MarketingConversion Rate Calculator
Calculate conversion rate from conversions and eligible interactions or visits.
GeneralAge Calculator
Calculate your exact age in years, months and days from your date of birth.
GeneralPercentage Calculator
Calculate percentages, percentage increase or decrease, and what percent one number is of another.
GeneralDate Calculator
Add or subtract days, weeks, months or years from a date.
GeneralDate Difference Calculator
Calculate the exact difference between two dates in years, months, days and total days.
GeneralDiscount Calculator
Calculate sale price, discount amount and savings percentage.
GeneralUnit Converter
Convert common length, weight, temperature and area units quickly.
Vehicle & TravelMileage Calculator
Calculate vehicle mileage in km per litre and fuel consumption in litres per 100 km.
Vehicle & TravelFuel Cost Calculator
Calculate fuel required, trip fuel cost and cost per kilometre from distance, mileage and fuel price.
Vehicle & TravelTrip Cost Calculator
Estimate total road trip cost from distance, mileage, fuel price, toll, parking and other expenses.
Vehicle & TravelEV Charging Cost Calculator
Calculate EV charging energy and electricity cost from battery size, starting SOC, target SOC, tariff and charging loss.
Vehicle & TravelEV Running Cost Calculator
Calculate EV electricity cost per kilometre, monthly cost and annual cost from efficiency, tariff and driving distance.
Vehicle & TravelPetrol vs EV Cost Calculator
Compare petrol vehicle fuel cost per km with EV electricity cost per km and estimate monthly or annual energy savings.
No calculator found. Try another keyword.