MiniUtil collection
Free Online Calculators
Solve everyday math, health, date, science, and measurement problems with clear online calculators.
16 tools · Free · No registration
Browse Calculators
BMI Calculator
Calculate your Body Mass Index (BMI).
Circle Calculator
Calculate area, circumference, and diameter of circles.
Square Root Calculator
Calculate square roots of numbers.
GPA Calculator
Calculate your Grade Point Average.
Percentage Calculator
Calculate percentages easily.
Coverage Calculator
Work out how many boxes, rolls, or bags cover a room, with waste allowance.
Fraction Calculator
Perform calculations with fractions.
Dog Age Calculator
Convert dog years to human years.
Screen Size Calculator
Calculate screen dimensions and resolution.
Speed Distance Time Calculator
Calculate speed, distance, or time.
Multiplication Table
Generate multiplication tables.
Pythagorean Theorem
Calculate sides of right triangles.
Days Between Dates
Calculate the number of days between two dates.
Business Days Calculator
Calculate working days between dates, excluding weekends and holidays.
Density Calculator
Calculate density, mass, or volume using the density formula.
Molar Mass Calculator
Calculate the molar mass (molecular weight) of chemical compounds.