Modern micro-apps you can't get from voice assistants
Optimizers, planners, and estimators with visual output, CSV export, and shareable results.
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New & updated
Feet ⇄ Meters Converter
Instantly convert between feet, meters, inches, and centimeters.
Paint Needed Calculator
Estimate gallons of paint required by area, coats, and coverage.
Board Feet Calculator
Compute board feet from thickness, width, and length.
Shipping Dimensional Weight Calculator
Calculate billable weight for air or ground using divisors.
Bicycle Gear Inches Calculator
Compute gear inches from chainring, cog, and wheel size.
Room AC BTU Calculator
Estimate cooling capacity needed by room size and exposure.
Paint Needed Calculator (v1)
Estimate gallons of paint required by area, coats, and coverage.
Board Feet Calculator (v2)
Compute board feet from thickness, width, and length.
Shipping Dimensional Weight Calculator (v3)
Calculate billable weight for air or ground using divisors.
Bicycle Gear Inches Calculator (v4)
Compute gear inches from chainring, cog, and wheel size.
Room AC BTU Calculator (v5)
Estimate cooling capacity needed by room size and exposure.
Feet ⇄ Meters Converter (v6)
Instantly convert between feet, meters, inches, and centimeters.