What is 1.64 as a Fraction?

Learn how to convert 1.64 to a fraction with step-by-step instructions

Quick Answer

1.64 as a fraction is:

41/25

This is the simplest form of the fraction

1.64 Decimal to Fraction Calculator

Convert Any Decimal to a Fraction

Enter a decimal number to see its fraction equivalent

How to Convert 1.64 to a Fraction

General Method: Converting Decimals to Fractions

Follow these steps to convert any decimal to a fraction

Step 1: Count Decimal Places

Count the number of digits after the decimal point

Example: 0.25 has 2 decimal places

Step 2: Multiply by Power of 10

Multiply by 10 raised to the number of decimal places

0.25 × 100 = 25

Step 3: Create Fraction

Use the result as numerator over the multiplier as denominator

25/100

Step 4: Simplify

Reduce the fraction if possible by dividing both numbers by their GCD

25/100 = 1/4

Converting 1.64 to a Fraction

Let's apply the method to convert 1.64

1

Count the decimal places in 1.64

1.64
There are 2 digits after the decimal point
2

Multiply by 10 (100)

1.64 × 100 = 164
Moving the decimal point 2 places right
3

Write as a fraction

164/100
Numerator: 164, Denominator: 100
4

Simplify the fraction

164/100 = 41/25
Divide both numbers by their greatest common factor (4)

Final Result

1.64 = 41/25

Tips and Notes

  • The denominator will always be a power of 10 for terminating decimals
  • Each decimal place corresponds to multiplying by 10 (e.g., 2 places = 100)
  • Very small decimals like 1.64 often result in fractions with large denominators
DecimalFractionComparison
0.1644.1/25Smaller
1.6441/25Current Value
16.4410/25Larger
1644100/25Larger
164041000/25Larger

Additional Information

Scientific Notation

1.64 can be written as 41 × 10⁻2 in scientific notation

Percentage

1.64 is equal to 164.000% as a percentage

Common Calculations with 1.64

Quick Reference Guide

Common calculations and conversions with 1.64

Multiplication

  • 1.64 × 10 = 16.4
  • 1.64 × 100 = 164
  • 1.64 × 1000 = 1640
  • 1.64 × 10000 = 16400
  • 1.64 × 25 = 41

Division

  • 1.64 ÷ 2 = 0.82
  • 1.64 ÷ 5 = 0.32799999999999996
  • 1.64 ÷ 10 = 0.16399999999999998
  • 1.64 ÷ 1/1.64 = 25

1.64 in Different Number Systems

Decimal

1.64

Scientific Notation

41 × 10⁻2

Percentage

164.000%

Fraction

41/25

Parts Per Million

1640000 PPM

Binary

0.0110 0100

Real-World Applications of 1.64

Where You Might Encounter 1.64

Scientific Applications

  • • Microscopic measurements (1640000 micrometers)
  • • Chemical concentrations
  • • Statistical probability calculations
  • • Error margins in precise measurements

Engineering

  • • Manufacturing tolerances
  • • Electronic component specifications
  • • Quality control measurements
  • • Precision engineering