Math · NUMORA
Scientific Notation Calculator
Plain number ↔ a × 10^n.
Open interactive calculatorHow to use
Write a number as a×10^n with 1 ≤ |a| < 10.
Formula
x = a × 10^n, 1 ≤ |a| < 10
FAQ
Is this Scientific Notation calculator accurate?
The formula and assumptions are shown on the page, and the engine is covered by audit tests. Results are for reference — not financial or medical advice.
Do I need an account?
No. Calculations run in your browser. Recents can stay on this device.
What inputs do I need?
Write a number as a×10^n with 1 ≤ |a| < 10.
Related calculators
- Percentage calculatorPercent, part, whole — solve any one.
- Percentage Change calculatorHow much something moved from old to new.
- Decimal To Fraction calculatorFinite decimals to lowest terms.
- Fractions calculatorAdd, subtract, multiply, divide, then simplify.
- Prime Factors calculatorFactor an integer and write the exponents.
- Decimal Hex calculatorThe programmer's everyday bases.
- Roman Numerals calculatorConvert 1–3999 both ways.
- Sig Figs calculatorRound to N significant figures.