Equilateral Triangle Calculator – 60 60 60 Triangle Calculator
Use our Equilateral Triangle Calculator to find the side length, area, perimeter, height, or angle from any one known value, complete with step-by-step solutions.
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45 45 90 Triangle Calculator
Use our 45-45-90 Triangle Calculator to find the legs, hypotenuse, altitude (height), area, or perimeter from any one known value, complete with step-by-step solutions.
30 60 90 Triangle Calculator
Use our 30 60 90 Triangle Calculator to find the short leg, long leg, hypotenuse, altitude (height), area, or perimeter from any one known value, with step-by-step solutions.
Pythagorean Theorem Calculator
Use our Pythagorean Theorem Calculator to solve right-angled triangle problems—find sides, angles, triangle height, area, or perimeter with step-by-step solutions.
Proportion Calculator
Use our Proportion Calculator to easily find the unknown in ratios and proportions. It quickly calculates the missing value using cross multiplication and provides step-by-step solutions for better understanding.
Percentage Calculator
Use our Percentage Calculator to solve 15 different types of percentage problems quickly from “What is P% of X?” to “X minus P% is what?” with solutions for each scenario.
Average Percentage Calculator
Use our Average Percentage Calculator to quickly and accurately calculate the average percentage of multiple values, with step-by-step solutions. Whether your percentages are based on equal or unequal sample sizes.
Percent Error Calculator
Use our Percent Error Calculator to quickly and accurately calculate the percent error between a measured (or observed) value and an actual (or true) value, with clear, step-by-step solutions.