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CALCULATORS & CONVERTERS

Energy & Environment

Compare energy quantities, charging requirements and entered efficiency or solar assumptions.

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A tool can belong to several categories. All tools lists each calculator once.

Earth Science

Solar Elevation Azimuth and Shadow Calculator

Gardening · Energy & Environment · Design & Drawing · Science & Lab

Estimate geometric sun position and a vertical object’s level-ground shadow from entered date, clock time and coordinates.

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Energy

Solar PV Energy Scenario Calculator

Energy & Environment · Home & Everyday · Money Management

Estimate energy and optional electricity value from entered peak-sun hours, combined losses and self-consumption.

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EV Charging Time and Cost Calculator

Automotive · Energy & Environment · Travel · Money Management

Estimate grid energy, charging time and optional electricity cost between two state-of-charge levels using an entered average wall-side charging power.

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Home

Meter Reading and Usage Calculator

Home & Everyday · Energy & Environment · Money Management

Compare dated cumulative readings, daily usage and optional cost with an explicit single-rollover setting.

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