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277 tools
Use a nautical mile calculator to convert between nautical and standard miles, yards, feet, kilometers, meters, and other units.
The RPM calculator helps you understand RPM (revolutions per minute) and compute the relationship between the speed of a vehicle and the RPM of its engine.
Estimate the size of speedometer gear for using the speedometer gear calculator.
Determine the charging cost using the Tesla charging cost calculator.
Ticket optimizer finds the cheapest combination of public transport tickets for you to buy.
The traffic density calculator describes the flow-speed-density relationship.
Find the right turbo size for your engine with our turbo size calculator. See what turbocharger you need to get the power you want.
Determine the horsepower delivered to the wheels from the engine with our wheel horsepower calculator.
Use this wheel offset calculator to understand the adjustments you need to make while changing a wheel.
Our winch size calculator can help you find the winch size you may need for your vehicle in any situation.
How do you use a windsock to calculate the wind speed? It all boils down to the angle of the dangle!
Everyone needs a bag calculator to estimate the amount of fabric they need to make their favorite tote bag.
Check what size of belt you need with this belt size calculator.
What bikini type is the most flattering for you? Find out with our bikini calculator!
Circle skirt calculator makes sewing circle skirts a breeze.
Our easy-to-use cross-stitch calculator can estimate your stitched area and total fabric size. It also includes some stitching tips!
The curtain panel calculator helps you determine the correct measurements you should use to sew your curtains.
This curtain size calculator is designed to help you calculate the size of curtain you need based on your desired length and fullness.
Find your perfect fit with our dress size calculator. Accurately figure out your dress size using detailed measurements. Try it today!
This fabric calculator is designed to help you to calculate the total amount of fabric you will need for your project.
Find the perfect pair of gloves with our glove size calculator.
This half square triangle calculator is great for helping you to calculate the measurements for the half squares in your quilt or if you are doing some math with triangles and squares.
Our hat size calculator is a great tool for assessing your hat measurement in international, American, and British charts — for both children and adults.
Our hexagon quilt calculator is here to help you make the perfect hexagon quilt using only the desired size of your quilt and hexagons.