Free Online Calculators by UltimateMath
A collection of practical calculators for math, finance, health, and more.
Basic Calculator
Perform simple arithmetic calculations like addition, subtraction, multiplication, and division.
Percentage Calculator
Calculate percentages, find what percent one number is of another, or find the value from a percentage.
Scientific Calculator
Advanced calculator with functions for scientific, engineering, and mathematical calculations.
Fraction Calculator
Add, subtract, multiply, and divide fractions with ease.
Triangle Calculator
Calculate area, perimeter, heights, angles, and sides of triangles.
Number Sequence Calculator
Generate and analyze different types of number sequences.
Percent Error Calculator
Calculate the percentage error between measured and actual values.
Exponent Calculator
Calculate powers, roots, and logarithms.
Binary Calculator
Convert between binary, decimal, hexadecimal, and octal number systems.
Hex Calculator
Perform hexadecimal calculations and conversions.
Half-Life Calculator
Calculate decay and half-life formulas for radioactive substances.
Quadratic Formula Calculator
Solve quadratic equations step by step.
Slope Calculator
Calculate slope, distance, and midpoint between two points.
Log Calculator
Calculate logarithms with different bases.
Area Calculator
Calculate area of various 2D shapes.
Sample Size Calculator
Determine appropriate sample sizes for surveys and statistical studies.
Probability Calculator
Calculate probability of events and combinations.
Statistics Calculator
Perform statistical analysis on datasets.
Mean, Median, Mode, Range Calculator
Calculate central tendency and dispersion measures.
Permutation and Combination Calculator
Calculate permutations and combinations for sets of elements.
Confidence Interval Calculator
Calculate confidence intervals for statistical analysis.
Ratio Calculator
Calculate and simplify ratios between numbers.
Distance Calculator
Calculate distance between points or locations.
Circle Calculator
Calculate area, circumference, and other properties of circles.
Surface Area Calculator
Calculate surface area of various 3D shapes.
Pythagorean Theorem Calculator
Calculate sides of right triangles using Pythagorean theorem.
Right Triangle Calculator
Calculate sides and angles of right triangles.
Root Calculator
Calculate square roots and nth roots.
Least Common Multiple Calculator
Find the smallest positive number that is divisible by multiple numbers.
Greatest Common Factor Calculator
Find the largest positive integer that divides multiple numbers without a remainder.
Factor Calculator
Find all factors of a number.
Rounding Calculator
Round numbers to specified decimal places or significant figures.
Matrix Calculator
Perform matrix operations like addition, multiplication, and finding determinants.
Scientific Notation Calculator
Convert between scientific notation and decimal notation.
Prime Factorization Calculator
Find the prime factors of a number.
Common Factor Calculator
Find the common factors of multiple numbers.
Long Division Calculator
Perform long division with step-by-step solutions.
Average Calculator
Calculate arithmetic mean of a set of numbers.
Mortgage Calculator
Calculate your monthly mortgage payment, total payment, and interest based on home price, down payment, and interest rate.
Loan Calculator
Calculate monthly payments, total interest, and total amount paid for a loan based on principal amount, interest rate, and term.
Auto Loan Calculator
Calculate your monthly car payment, total cost, and interest on a vehicle purchase with various loan terms.
Investment Calculator
Project your investment growth over time based on initial investment, regular contributions, and expected return rate.
Compound Interest Calculator
Calculate compound interest on investments over time.
Retirement Calculator
Plan for retirement by calculating savings goals and projected income.
Currency Calculator
Convert between different currencies using current exchange rates.
Inflation Calculator
Calculate how inflation affects the purchasing power of money over time.
Credit Card Calculator
Calculate payoff time and interest for credit card balances.
BMI Calculator
Calculate your Body Mass Index (BMI) based on your height and weight to determine if your weight is healthy.
Pace Calculator
Calculate running pace for various distances.
Age Calculator
Calculate exact age based on birth date.
Time Calculator
Add or subtract hours, minutes, and seconds.
Grade Calculator
Calculate final grades based on assignments and exams.
Conversion Calculator
Convert between various units of measurement.
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