Formula
- Use the units shown beside each field.
- Results update automatically whenever you change an input.
- Displayed values use up to four decimal places, or scientific notation for very small or large numbers. Calculations use standard floating-point arithmetic; exact integer and fraction tools identify their own precision rules.
- Digits are read from the absolute value; the contribution retains the original sign. Unoccupied places contain zero. Exponents from −20 to 20.
Example Calculation
- Number: 305.04
- Place exponent (0 = ones, −1 = tenths): -2
In 305.04, the hundredths place (exponent −2) holds 4 and contributes 0.04.
Frequently asked questions
How do I use this calculator?
Enter number, place exponent (0 = ones, −1 = tenths). The result updates automatically. Use Reset to restore the example values.
What method does it use?
At exponent e, find the digit multiplying 10^e in the magnitude of the number.. Digits are read from the absolute value; the contribution retains the original sign. Unoccupied places contain zero. Exponents from −20 to 20.
Why might a rounded result differ?
The calculation keeps full numeric precision internally, then rounds the displayed result. Rounding intermediate steps by hand can produce a slightly different answer.
Are my inputs saved online?
No. This calculator processes your inputs in your browser. A recently used list stores only calculator names on this device, not your entered values.
Check the assumptions and units before using this result. Read about calculation methods.