Pick a calculator
Choose by task; browse all if you are unsure.
01 · TOOLS
All Calculators
01
Cumulative GPA Calculator
Combine your current GPA and a new term GPA into a credit-weighted cumulative GPA.
免费 · Free02
Weighted GPA Calculator
Convert an unweighted GPA into a weighted GPA using honors and AP course weights.
免费 · Free03
Final Grade Calculator
Work out what you need on the final exam to reach your target grade.
免费 · Free02 · HOW
How to use
Enter dimensions
Units sit next to each input; results convert automatically.
Read result and assumptions
Waste allowance is included; verify before ordering.
03 · WHY
Why use this site
01
Verifiable math
Every page shows the formula, assumptions and margin. No black box.
02
No signup
Open and calculate. Inputs stay in your browser and are not uploaded.
03
Localized
Chinese and English switch automatically, with units and rules adapted per market.
04 · FAQ
FAQ
How accurate is this?
Estimates follow public formulas with stated assumptions; verify high-stakes decisions on site.
Is it free?
All calculators are free today. Any future Pro tier will be priced on the page.
Do you store my inputs?
No. The math runs locally in your browser and is never submitted.