Scientific Notation Calculator

Convert numbers to and from scientific notation.

Fill in the fields below to calculate

Standard Number

Enter your values above and tap Convert to see the result.

Your Results

Scientific Notation

Coefficient

Exponent (n)

Sig. Figures

Enter each number in standard form. Results are computed in scientific notation.

Number A

Number B

Standard Form

Enter a number

Significant Figures

Scientific Notation Rules

N = a × 10^n
1 ≤ |a| < 10
Multiply: a·b × 10^(m+n)
Divide: (a/b) × 10^(m-n)

Sig. Fig Rules

Non-zero digits: always sig
Zeros between non-zero: sig
Trailing zeros w/ decimal: sig
Leading zeros: NOT sig
e.g. 0.00230 → 3 sig figs

About This Calculator

Convert numbers to and from scientific notation.

Everything is worked out in your browser as you type, so your figures never leave your device.

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Pro Tips

Results update as you type — change any field to see the effect immediately.

Check that every value uses the same unit before comparing results.

Use the copy button to paste the scientific notation figures into a note or spreadsheet.

Nothing is sent to a server, so you can use this with private figures.