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Everyday conversions
Convert a real task using the measurements and assumptions that matter.

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- Baggage size checkerEnter your bag dimensions and the limit from your airline. Check wheels and handles too.
- Baking pan size converterCompare pan areas and find the recipe multiplier for the same batter depth.
- Cups to grams converterUse the grams per cup from your ingredient label or recipe, then convert either way.
- DPI and PPI calculatorFind print resolution from pixel size, or the pixels needed for a print.
- FOV converterConvert horizontal and vertical field of view for your display’s aspect ratio.
- Fuel flow rate conversion calculatorConvert fuel volume flow to mass flow using the density supplied for your fuel.
- Geographic coordinate converterConvert latitude and longitude between decimal degrees and degrees, minutes and seconds.
- mg/L to ppm converterConvert mass per volume to mass-based ppm using the solution’s density.
- Mouse sensitivity converterMatch turn distance using your mouse DPI and sensitivity. Enter yaw values to compare different games.
- Online rulerMatch the reference line to a known length before measuring anything on your screen.
- Oven temperature converterConvert oven settings and see the closest step on your temperature dial.
- Paper size converterConvert paper dimensions and find the scale that fits them on another sheet.
- Recipe scale conversion calculatorScale ingredient quantities to a new serving count. Keep each quantity at the beginning of its line.
- Salary to hourly converterCompare gross hourly and annual pay using your own paid hours and weeks.
- Scientific notation converterConvert decimals and e notation without rounding away their digits.
- Tire size conversion calculatorRead a metric tire-size code and compare its nominal dimensions with another size.