Free Online Calculators
Fast, accurate calculators for construction, cooking, home improvement and more. No signup needed.
Construction & Landscaping
Concrete Calculator
Calculate concrete for slabs, footings, and columns
Mulch Calculator
Calculate mulch needed in cubic yards or bags
Gravel Calculator
Estimate gravel in tons or cubic yards
Tile Calculator
Calculate tiles needed with waste factor
Sand Calculator
Figure out how much sand you need
Fence Calculator
Calculate posts, boards, and rails
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Cooking & Kitchen
Air Fryer Calculator
Convert oven temps and times for air fryer
Cups to Grams
Convert cups to grams for 20+ ingredients
Recipe Scaler
Double, halve, or scale any recipe
Turkey Cooking Time
Calculate cooking time by turkey weight
Measurement Converter
Convert between any cooking measurements
Tablespoons to Cups
Convert tablespoons, cups, and teaspoons
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Home Improvement
Square Footage Calculator
Calculate area for any room or space
Wallpaper Calculator
Calculate rolls needed for any room
Carpet Calculator
Calculate carpet in square yards
Fun & Entertainment
Love Calculator
Test your love compatibility by name
Snow Day Calculator
Predict if school will be canceled tomorrow
Age Calculator
Calculate exact age in years, months, days
Random Number Generator
Generate random numbers in any range
Dog Age Calculator
Convert dog years to human years accurately
Birthday Calculator
Find your day of birth and zodiac sign