SmartCalc
Construction(10)
Carpet Calculator
Free carpet calculator estimates carpet area, roll length and total cost for any room, with waste allowance for cuts ...
Drywall Calculator
Free drywall calculator: estimate how many plasterboard sheets, joint compound, screws, and tape you need. Enter wall...
Fence Calculator
Free fence calculator plans wood or chain link fences: posts, rails, panels and total cost from your property line di...
Grout Calculator
Free grout calculator: estimate how much tile grout you need by weight and volume. Input tile size, joint width, and ...
Insulation Calculator
Free insulation calculator estimates rolls, batts or blown-in bags for attics, walls and floors based on your target ...
Paint Calculator
Free paint calculator: estimate how many liters or gallons of paint you need for any room. Input wall area, number of...
Paver Calculator
Free paver calculator counts patio or driveway pavers, sand base and joint sand, with cost estimates for any paver size.
Siding Calculator
Free siding calculator estimates vinyl siding area, boxes and project cost. Enter wall dimensions and waste allowance...
Stair Calculator
Free stair calculator computes steps, riser height, tread depth, stringer length and stair angle from your rise and t...
Wallpaper Calculator
Free wallpaper calculator: find out how many rolls of wallpaper you need. Enter wall area, roll dimensions, and patte...
Geometry & Shapes(3)
Area Converter
Free area converter: convert between square meters, acres, hectares, square feet, square miles, and more. Perfect for...
Triangle Calculator
Free triangle calculator: enter three sides to instantly find the area, perimeter and all angles, and classify right,...
Volume Converter
Free volume converter: convert between liters, gallons, cups, milliliters, pints, quarts, and more. Cooking converter...
Body Metrics & Fitness(3)
BMR Calculator
Free BMR calculator using the Mifflin-St Jeor equation: get your basal metabolic rate and daily calorie needs from we...
Body Shape Calculator
Free body shape calculator: find your body type (hourglass, pear, apple, rectangle or inverted triangle) from bust, w...
Heart Rate Zone Calculator
Free heart rate zone calculator finds your five training zones from age and resting heart rate using the Karvonen for...
Nutrition & Diet(3)
Calorie Deficit Calculator
Free calorie deficit calculator shows how many calories to eat each day to lose weight at your chosen pace, based on ...
Keto Calculator
Free keto calculator: enter your body stats, activity level and goal to get a calorie target plus daily net-carb, pro...
Water Intake Calculator
Free water intake calculator tells you how much water to drink per day based on body weight and exercise, following t...
General Conversion(3)
Length Converter
Free length converter: convert between meters, feet, inches, centimeters, miles, kilometers, and more. Height convert...
Time Unit Converter
Free time unit converter: convert between milliseconds, seconds, minutes, hours, days, weeks, months, years, decades,...
Unit Converter
Free online unit converter: convert between units of length, weight, temperature, area, and volume. Fast and accurate...