United States — College Board
SAT Math Calculator
Free online calculators for SAT Math preparation. Practice algebra, statistics, and geometry with step-by-step solutions.
Ages 16-18 · Multiple dates per year
Calculator Allowed
The digital SAT (Bluebook app) includes a built-in Desmos graphing calculator available for all 44 math questions. There is no separate non-calculator section.
- A built-in Desmos graphing calculator is available for every math question.
- You may also bring your own approved physical calculator and use both simultaneously.
- The test is adaptive: Module 1 is the same for all students, then Module 2 difficulty adjusts based on Module 1 performance.
- The math section consists of two 35-minute modules (70 minutes total) with 44 questions.
Recommended Calculators
Percentage Calculator
Calculate percentages instantly. Find what percent of a number, percentage change, and percentage difference. Free and fast.
Fraction Calculator
Add, subtract, multiply, and divide fractions. Simplify fractions and convert to mixed numbers. Free online fraction calculator.
Ratio Calculator
Simplify ratios and find missing values in proportions. Free online ratio calculator with step-by-step results.
Quadratic Formula Calculator
Solve quadratic equations using the quadratic formula. Find roots, discriminant, and vertex. Free online quadratic formula calculator.
Solve For X Calculator
Solve algebraic equations for x. Handles linear, quadratic, polynomial, and simple equations. Free online equation solver.
Slope Calculator
Calculate slope from two points, find slope-intercept and point-slope form. Free online slope calculator with graphing.
Standard Deviation Calculator
Calculate standard deviation, variance, mean, and more for any dataset. Supports population and sample statistics. Free online tool.
Probability Calculator
Calculate probability of events, complements, unions, and intersections. Free online probability calculator for statistics.
Graphing Calculator
Free online graphing calculator. Plot mathematical functions, see graphs, and explore equations visually. No download needed.
Worked Examples
Linear Equation
standardIf 3x + 7 = 22, what is the value of x?
Percentage
standardA store increases the price of a $80 item by 15%. What is the new price?
Quadratic
advancedWhat are the solutions to x² + 2x - 15 = 0?
Slope
standardWhat is the slope of the line passing through (2, 3) and (6, 11)?
Statistics
advancedThe mean of a dataset is 72 and the standard deviation is 8. What percentage of data falls between 64 and 80 in a normal distribution?