Scientific Notation Converter

Decimal to normalized scientific and E-notation, both ways.

Input Parameters

Decimal number

Mantissa (1–10)

Exponent

Normalized notation2.997925 × 10^8

E-notation2.997925e8

Decimal value1500000001.5 × 10^8

175 available

Annuity and differentiated monthly installments, interest breakdown, and amortization schedule.

Calculate PITI (Principal, Interest, Taxes, Insurance), PMI, and accelerated payoff savings.

Visualize compound growth with recurring deposits, annual rate, and investment horizons.

Add or extract Value Added Tax (VAT) with international country presets.

Analyze profitability and percentage return on business capital and investments.

Gross to net salary with income tax, social contributions and deductions, monthly and annual.

Convert decimals to normalized scientific notation (mantissa × 10^exp) and E-notation, or convert back.

What is normalized form?

Mantissa between 1 (inclusive) and 10 (exclusive) times an integer power of ten.

What is E-notation?

Compact form like 1.5e8 used by calculators and code for ×10^8.

Zero and negatives?

Zero maps to 0 × 10^0; negatives keep their sign on the mantissa.