Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Financial
VAT Calculator
Compute the value-added tax (VAT) amount and gross price from a net price and VAT rate. Also works in reverse to strip VAT out of a gross figure.
Fill in the required fields to see your result.
Economics
Compound Interest Calculator
Project the future value of a lump-sum investment when interest is reinvested each year using A = P · (1 + r)ᵗ. The simplest compounding model — assumes annual compounding, a constant rate, and no additional contributions or withdrawals.
Fill in the required fields to see your result.
Key differences
| VAT Calculator | Compound Interest Calculator | |
|---|---|---|
| Category | Financial | Economics |
| Inputs required | 2 | 3 |
| Result | VAT Amount (USD) | Final Amount ($) |
| What it does | Compute the value-added tax (VAT) amount and gross price from a net price and VAT rate. Also works in reverse to strip VAT out of a gross figure. | Project the future value of a lump-sum investment when interest is reinvested each year using A = P · (1 + r)ᵗ. The simplest compounding model — assumes annual compounding, a constant rate, and no additional contributions or withdrawals. |