256 free calculators
Finance, health, construction, science, developer tools and more, fast, transparent and free.
Popular calculators
Browse allEMI Calculator
Calculate your monthly loan EMI, total interest and total payment, with a full amortization schedule.
SIP Calculator
Estimate the future value of a monthly SIP (Systematic Investment Plan).
Age Calculator
Find your exact age in years, months and days, plus total days lived and your next birthday countdown.
GST Calculator
Add or remove GST from an amount at any slab rate.
Fuel Cost Calculator
Estimate the fuel cost of a trip from distance and mileage.
BMI Calculator
Calculate Body Mass Index from height and weight.
Construction Cost Calculator
Estimate construction cost from built-up area and rate per square foot.
Percentage Calculator
Find what X% of Y is, what percentage X is of Y, or the percentage change between two numbers.
Browse by category
Money
Loans, investments, interest and inflation calculators to plan your finances with confidence.
Business
GST, margins, discounts and break-even tools for pricing and running a business.
Time and Date
Age, durations and working-day calculators for everyday date math.
Distance and Travel
Speed, fuel cost and trip-planning calculators for travel.
Property
Plot area, rental yield and property ROI calculators for real estate decisions.
Construction
Material quantity and cost calculators for building and renovation.
Health
BMI and everyday health calculators.
Mathematics
Percentage and general-purpose math calculators.
Converters
Length, area, weight and other unit converters, including Indian land units.
Science and Engineering
Electrical, chemistry and physics calculators for students and engineers.
Developer and Everyday Tools
Text, encoding and everyday utility tools for developers and daily tasks.
International and Specialist
VAT, customs, sizing and other specialist calculators for international and everyday niche needs.
Featured property and construction tools
Plot Area Calculator
Calculate plot area from length and width, in your preferred unit.
Construction Cost Calculator
Estimate construction cost from built-up area and rate per square foot.
Concrete Quantity Calculator
Estimate cement, sand and aggregate needed for a concrete slab.
Paint Quantity Calculator
Estimate how much paint you need for a wall area.
Tile Quantity Calculator
Estimate how many tiles you need for a room, including wastage.
Rental Yield Calculator
Estimate rental yield from property price and rental income.
Property ROI Calculator
Calculate total return on a property investment, including appreciation and rental income.
Mortgage Calculator
Calculate your total monthly mortgage payment including taxes and insurance.
Mortgage Payoff Calculator
See how much interest you save by paying extra toward your mortgage every month.
Rent vs Buy Calculator
Compare the net cost of renting vs. buying a home over time.
Stamp Duty & Registration Calculator
Calculate stamp duty and registration charges on a property purchase.
Property Tax Calculator
Calculate your annual property tax from assessed value and tax rate.
Property Cash Flow Calculator
Calculate monthly cash flow, cap rate, and cash-on-cash return for a rental property.
Down Payment Calculator
Calculate the down payment and loan amount needed for a home purchase.
Loan-to-Value (LTV) Calculator
Calculate your loan-to-value ratio for a mortgage or property loan.
Property Appreciation Calculator
Project a property's future value based on an annual appreciation rate.
Home Affordability Calculator
Estimate how much home you can afford based on income, debts and down payment.
Cap Rate Calculator
Calculate the capitalization rate for a rental investment property.
Cash-on-Cash Return Calculator
Calculate the annual return on the actual cash you invested in a rental property.
PMI Calculator
Estimate private mortgage insurance cost based on loan-to-value ratio.
Closing Costs Calculator
Estimate closing costs and total cash needed to buy a home.
Price Per Square Foot Calculator
Calculate a property's price per square foot to compare listings.
House Flipping ROI Calculator
Calculate profit and ROI on a house flip after renovation and selling costs.
Home Equity Loan Calculator
Calculate available home equity and the maximum you could borrow against it.
Real Estate Commission Calculator
Calculate real estate agent commission and net seller proceeds.
Vacancy Loss Calculator
Estimate rental income lost to vacancy and effective gross income.
Stair Calculator
Calculate riser height, total run and stringer length for a staircase.
Roofing Calculator
Calculate actual roof area and shingle bundles needed, accounting for pitch.
Gravel & Mulch Calculator
Calculate the volume and bags of gravel, mulch, topsoil or sand needed.
Brick & Block Calculator
Calculate the number of bricks or concrete blocks needed for a wall.
Plaster Quantity Calculator
Calculate cement and sand needed for wall plastering.
Excavation Volume Calculator
Calculate excavation volume and truck loads needed for hauling.
Reinforcement Steel Calculator
Estimate reinforcement steel weight needed for a concrete structural element.
Water Tank Capacity Calculator
Calculate the capacity of a cylindrical or rectangular water tank.
HVAC / BTU Calculator
Calculate the AC/HVAC size needed for a room based on area and climate.
Electrical Load Calculator
Calculate current draw and recommended breaker size from connected electrical load.
Solar Panel Requirement Calculator
Calculate how many solar panels you need based on daily energy usage.
Insulation Calculator
Find the required insulation thickness and volume for a target R-value.
Flooring Calculator
Calculate how many boxes of flooring you need, with a wastage allowance.
Fence Calculator
Calculate how many fence posts and rails you need for a given length.
Drywall Calculator
Calculate how many drywall sheets you need, with a waste allowance.
Lumber / Board Feet Calculator
Calculate board feet of lumber needed from dimensions and piece count.
Roof Pitch Calculator
Calculate roof pitch, angle and slope factor from rise and run.
Asphalt Driveway Calculator
Estimate the tons of asphalt needed for a driveway or paved area.
Retaining Wall Calculator
Calculate how many blocks you need to build a retaining wall.
Wall Framing Calculator
Calculate how many wall studs you need from wall length and stud spacing.
Cement Mortar Mix Calculator
Calculate cement bags and sand needed for a mortar mix ratio.
Deck Calculator
Calculate decking boards and joists needed for a deck.
Siding Calculator
Calculate how many siding panels you need for an exterior wall area.
Gutter Calculator
Calculate gutter length and downspouts needed from roof perimeter.
Wallpaper Calculator
Calculate how many wallpaper rolls you need for a wall area.
Land Unit Converter
Convert between acres, square feet, bigha, guntha, cent and other Indian land units.
Quick unit converters
Length, area, weight, volume, speed, time, temperature and Indian land units.
Length Converter
Convert between metres, feet, miles, kilometres and more.
Area Converter
Convert between square feet, square metres, acres, hectares and more.
Weight Converter
Convert between kilograms, pounds, grams, ounces and more.
Volume Converter
Convert between litres, gallons, cubic feet and cubic metres.
Speed Converter
Convert between km/h, mph, m/s and knots.
Time Converter
Convert between seconds, minutes, hours, days and weeks.
Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin.
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Transparent formulas
Every calculator shows exactly how its result is computed.
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Calculations run in your browser, nothing is sent to a server by default.
Fast and accurate
Instant results, precise decimal math for money calculations.
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