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.
- Macroeconomic simplified disposable-income identity. Transfers must be reflected consistently in the supplied income/tax definition.
Example Calculation
- Income: 1000
- Taxes: 200
- Consumption: 650
Income = 1000; Taxes = 200; Consumption = 650. The primary result is 150.
Frequently asked questions
How do I use this calculator?
Enter income, taxes, consumption. The result updates automatically. Use Reset to restore the example values.
What method does it use?
private saving=income−taxes−consumption.. Macroeconomic simplified disposable-income identity. Transfers must be reflected consistently in the supplied income/tax definition.
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.