Calculators
Calculate payments, grades, measurements and everyday math.
Calculators
Showing 261–280 of 320 tools
Sphere Volume Calculator
Sphere volume = 4 × π × radius³ / 3.
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Spherical Cap Base Radius Calculator
Find spherical cap base radius as √(h(2R − h)).
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Spherical Cap Surface Area Calculator
Find curved spherical cap area 2πRh.
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Spherical Cap Volume Calculator
Find spherical cap volume πh²(3R − h)/3.
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Split Bill Calculator
Split a bill among friends using a subtotal, sales tax, tip, and number of people.
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Spring Energy Calculator
Ideal spring potential energy = kx²/2.
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Spring Period Calculator
Ideal spring period = 2π × √(mass / stiffness).
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Standard Deviation Calculator
Calculate standard deviation and variance for a number list.
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Standard Error Calculator
Estimate the standard error of a mean as s / √n.
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Standard Error Of Proportion Calculator
Estimate a proportion standard error as √(p(1−p)/n).
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Sum Of Squares Calculator
Add the squares of supplied real values.
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Surface Tension Converter
Convert surface tension between the listed units.
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System Of Equations Solver
Solve two linear equations in two unknowns.
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TDEE Calculator
Estimate resting energy expenditure and TDEE using the Mifflin–St Jeor equation and an activity factor.
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Temperature Converter
Convert the source to Celsius, then convert Celsius to the destination scale.
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Thermal Conductivity Converter
Convert thermal conductivity between the listed units.
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Thermal Diffusivity Calculator
Find thermal diffusivity as conductivity / (density × specific heat).
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Thermal Expansion Calculator
Length change = initial length × linear expansion coefficient × temperature change.
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Thermal Resistance Calculator
Planar thermal resistance = thickness / (conductivity × area).
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Thermal Resistance Converter
Convert thermal resistance between the listed units.
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