USA Academic Calculators 2026

Free, accurate tools for AP, SAT, ACT, and college admissions.
Smart everyday tools – trending in 2026

Aspect Ratio

Resize images & screens perfectly

Calculate

Percentage Decrease

Find drop in values easily

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ERA Calculator

Baseball earned run average

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DOTS Calculator

Powerlifting performance score

Calculate

Half Birthday

Find your mid-year celebration

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Cat Age

Convert cat years to human years

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Male Delusion

Fun dating expectations tool

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Power to Weight

Performance ratio calculator

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Productivity

Measure efficiency & output

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Personal Year

Numerology yearly insights

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Accurate College Board® aligned AP scorers Trusted by USA students since 2025 100% Free • No registration

Why students trust us

Updated for 2026

Latest exam formats and scoring curves.

Predictive accuracy

Based on official past curves.

Works on all devices

Mobile‑friendly, study anywhere.