Sig Fig Calculator
Count, round, and perform calculations using scientific significant figure rules
Sig Fig Calculator (Significant Figures Tool)
Professional scientific calculator with significant figures support. Perform complex calculations and get results rounded to the proper number of significant figures.
Addition & Subtraction Rule
Round the result to the same number of decimal places as the measurement with the fewest decimal places.
Addition Example
Key Features
Discover the powerful capabilities of our sig fig calculator.
Automatically count significant figures in any number with detailed explanations
Perform addition, subtraction, multiplication, and division with proper sig fig rules
Understand the reasoning behind each calculation with detailed breakdowns
Round numbers to specific significant figures with scientific accuracy
Learn significant figure rules with interactive examples and explanations
Share calculations via URL with automatic state restoration
Quick Guide
- Enter Your Number: Input a single number to count sig figs or enter an arithmetic expression
- Choose Operation: Select counting, arithmetic operations, or rounding to specific sig figs
- View Results: See the result with sig fig count and step-by-step explanation
- Learn & Share: Understand the rules applied and share your calculation via URL
Use Cases
- • Scientific research and laboratory calculations
- • Chemistry and physics problem solving
- • Engineering measurements and precision work
- • Academic homework and exam preparation
- • Quality control and manufacturing processes
- • Medical dosage and pharmaceutical calculations
- • Environmental monitoring and data analysis
- • Financial calculations requiring precision
Number Formats
- • Decimal
- • Scientific Notation
- • Integers
- • Fractions
Operations
- • Addition (+)
- • Subtraction (−)
- • Multiplication (×)
- • Division (÷)
Rounding Options
- • 1-6 Sig Figs
- • Custom Precision
- • Scientific Notation
- • Standard Form
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