Calculators
Calculate payments, grades, measurements and everyday math.
Calculators
Showing 201–220 of 320 tools
Polynomial Calculator
Evaluate a polynomial at a supplied real value.
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Potential Energy Calculator
Gravitational potential energy in joules = mass × gravity × height.
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Power Converter
Convert a quantity using the listed fixed unit factors.
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Power Factor Calculator
Power factor = real power / apparent power.
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Pregnancy Due Date Calculator
Estimate a pregnancy due date using the first day of the last menstrual period and cycle length.
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Pressure Calculator
Average pressure in pascals = normal force / area.
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Pressure Converter
Multiply the input by the source unit factor and divide by the destination factor.
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Prime Factorization Calculator
Decompose a positive integer into prime factors.
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Prime Number Checker
Check whether an integer is prime.
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Probability Calculator
Find event probability from equally likely outcome counts.
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Projectile Flight Time Calculator
Find same-height projectile flight time as 2v sin(θ)/g.
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Projectile Maximum Height Calculator
Find projectile height gained above launch point as (v sin θ)²/(2g).
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Projectile Range Calculator
Horizontal range = launch speed² × sin(2 × launch angle) / gravity.
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Pyramid Frustum Volume Calculator
Find a right square pyramid frustum volume as h(a² + ab + b²)/3.
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Pyramid Surface Area Calculator
Find total area of a closed right square pyramid.
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Pyramid Volume Calculator
Pyramid volume = base area × perpendicular height / 3.
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Pythagorean Theorem Calculator
Find a right triangle hypotenuse from its two perpendicular legs.
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Quadratic Equation Solver
Find the discriminant and real or complex roots of a quadratic equation.
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Radioactivity Converter
Convert radioactivity between the listed units.
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Random Number Generator
Use rejection sampling on browser cryptographic random bytes to draw unbiased integers.
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