Calculators

Create and discover interactive calculators for various scenarios and measurements.

Battery Capacity Calculator

Physics

Calculates battery capacity (e.g., in mAh or Wh) based on voltage and charge/discharge characteristics.

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Depth of Field Calculator

Other

Calculates the range of distance in a photo that appears acceptably sharp, based on focal length, aperture, subject distance, and sensor size.

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Z-test Calculator

Statistics

Performs a Z-test to compare a sample mean to a known population mean or to compare two sample means when population variances are known.

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T-Statistic Calculator

Statistics

Calculates the t-statistic, used in hypothesis testing when the population standard deviation is unknown. This calculator helps determine if the difference between a sample mean and a population mean is statistically significant.

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Fielding Percentage Calculator (Baseball)

Sports

Calculates a fielder's efficiency by dividing successful plays (putouts + assists) by total chances (putouts + assists + errors).

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Capacitance Calculator

Physics

Calculates the capacitance of various capacitor configurations.

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Redshift Calculator

Physics

Calculates the shift in wavelength of light due to the Doppler effect or cosmological expansion.

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Hubble Law Distance Calculator

Physics

Estimates the distance to galaxies based on their redshift (recessional velocity) using Hubble's constant.

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Income Tax Calculator

Finance

Calculates the income tax payable based on the user's income and a given tax rate.

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Loan Amortization Calculator

Finance

Calculates the amortization schedule for a loan, showing the breakdown of each payment into principal and interest.

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