Calculators
Calculate payments, grades, measurements and everyday math.
Calculators
Showing 241–260 of 320 tools
Salary to Hourly Calculator
Convert annual gross salary into an hourly rate from your hours per week and paid weeks per year.
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Sales Tax Calculator
Calculate sales tax and the total price from a pre-tax subtotal and a rate you enter.
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Scientific Notation Converter
Convert decimal numbers to normalized scientific notation and back using digit-based arithmetic.
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Screen Resolution Calculator
Total pixels = width × height; PPI = the square root of (width² + height²), divided by diagonal inches.
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Sector Area Calculator
Sector area = angle / 360 × π × radius².
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Sector Perimeter Calculator
Find the perimeter of a proper circular sector as two radii plus arc length.
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Series Capacitance Calculator
Find equivalent ideal series capacitance as 1 / Σ(1/C).
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Series Inductance Calculator
Add uncoupled ideal inductances connected in series.
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Series Resistance Calculator
Add ideal resistances connected in series.
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Shannon Entropy Calculator
Calculate discrete Shannon entropy in bits as −Σ p log₂(p).
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Significant Figures Calculator
Count significant figures in a decimal number spelling.
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Skewness Calculator
Calculate the population moment skewness m3 / m2^(3/2).
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Slope Angle Calculator
Convert a finite line slope into its principal inclination angle in degrees.
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Sound Intensity Converter
Convert sound intensity between listed units.
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Sound Travel Time Calculator
Find sound travel time as path length divided by supplied sound speed.
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Specific Energy Converter
Convert specific energy between the listed units.
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Specific Heat Capacity Converter
Convert specific heat capacity between the listed units.
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Specific Volume Converter
Convert specific volume between listed units.
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Speed Converter
Multiply the input by the source unit factor and divide by the destination factor.
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Sphere Surface Area Calculator
Sphere surface area = 4 × π × radius².
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