Free, instant, and accurate. From SAT score calculator to GPA calculator, Pokémon type calculator to shiny tracker—we've got every tool you need. No sign-up. Works offline.
Convert raw scores to 400–1600 scale. Uses official 2025 College Board tables. Free SAT score calculator with percentiles.
100K+ monthly searches
Weighted & unweighted GPA from grades and credits. Supports AP/IB. Free GPA calculator for high school and college.
80K+ monthly searches
Predict 1–5 AP Bio score using 2025 rubric. Free AP Biology score calculator with MCQ and FRQ.
5K+ monthly searches
Estimate AP US History score with DBQ, LEQ, SAQ. Free APUSH score calculator for 2025 exam.
4K+ monthly searches
Gen 9 type effectiveness chart. Free Pokémon type calculator with Tera and dual types.
50K+ monthly searches
Full Gen 9 damage calc with items, weather, crits. Free Pokémon damage calculator for VGC.
30K+ monthly searches
Track your shiny counter and Pokémon encounter counter. Free shiny tracker with save/export.
15K+ monthly searches
Calculate volume in cubic yards for gardens. Free topsoil calculator for landscaping.
2K+ monthly searches
Aviation wind components. Free crosswind calculator for pilots and drones.
1.5K+ monthly searches
2x2, 3x3, 4x4 matrix determinant with steps. Free determinant calculator for math.
5K+ monthly searches
Whether you're preparing for the SAT, tracking your GPA, or hunting shinies in Pokémon Scarlet & Violet, our free tools make calculations fast and accurate. Here's how to use the most popular ones:
SAT Score Calculator: Enter your Math raw score (0–58) and Reading/Writing raw score (0–52). Click "Calculate" to see your total 400–1600 score with section breakdowns and national percentiles. Our SAT score calculator uses the official 2025 College Board conversion tables, so your results match real exams. Perfect for test prep and college planning.
GPA Calculator: Add each course, select your grade (A+ to F), and input credit hours. Toggle between weighted and unweighted scales. The GPA calculator instantly shows your cumulative GPA with color-coded results. Supports AP (+1.0), IB, and honors courses. Ideal for high school students applying to college or tracking semester progress.
Pokémon Type Calculator: Select the attacking move type and defending Pokémon type(s). The Pokémon type calculator displays damage multipliers (0.25x, 0.5x, 1x, 2x, 4x) in real-time. Includes Tera Type override for Gen 9 battles. Essential for competitive players building teams in Pokémon Scarlet & Violet.
Shiny Tracker: Start a new hunt by selecting your method (Full Odds, Masuda, Shiny Charm). Click "+1" for each encounter. The shiny tracker updates your shiny counter and Pokémon encounter counter live. Data saves automatically every 10 encounters. Export your hunt as JSON when you find that shiny!
AP Biology Score Calculator: Input your multiple-choice (0–60) and free-response (0–40) raw scores. The AP Biology score calculator applies the 2025 College Board rubric to predict your 1–5 AP score. See exactly how many points you need for a 5.
Topsoil Calculator: Enter your garden's length, width, and desired depth (in inches). The topsoil calculator converts to cubic yards and estimates cost. Great for landscaping, raised beds, and lawn renovation projects.
All calculators work offline, require no login, and run 100% in your browser. Your data is private and never stored on our servers. Bookmark your favorites and share with friends!