Practical tools for daily life: home, pets, school, shopping, DIY, and more
Calculate GPA from letter grades and credits
What grade do I need on the final?
Calculate fuel cost for a trip
Calculate miles per gallon from fill-ups
Compare pizza sizes and prices per square inch
Convert dog years to human years
Convert cat years to human years
Convert shoe sizes between US, EU, UK
Calculate concrete volume for a project
Estimate paint needed for a room
Estimate tiles needed for a floor or wall
Calculate pool water volume
Estimate gravel/mulch needed for landscaping
Calculate stair rise, run, and number of steps
Calculate your daily commute cost
Calculate dilution ratios for solutions
Depth of field, exposure, and print sizes
Pixels per inch for any screen size and resolution
How long to read or speak any text
Scale recipe ingredients to any serving size
Calculate WPM from word count and time
Calculate area for rectangles, circles, L-shapes, and more
Estimate mulch, topsoil, sand, or gravel for landscaping
Calculate flooring materials needed with waste factor
Estimate insulation coverage, bags, and cost by R-value
Calculate board feet for lumber: BF = (T × W × L) / 12
Estimate bricks and mortar bags for a wall or paving project
Find the age difference between two people
Add or subtract time durations and find time between clock times
Ski binding release settings per ISO 11088
Slope angle, grade, and estimated run time
Compare two tire sizes — diameter, circumference, speedometer diff
Estimate tons of asphalt needed for a driveway or road
Find your generation (Boomer, Gen X, Millennial, Gen Z…)
How many helium balloons to lift an object?
Estimate drywall sheets, screws, and compound for a room
Estimate fence posts, rails, boards, and cost
Estimate shingles, bundles, squares, and material cost
Estimate decking boards, joists, screws, and cost