Simple Interest Calculator
Interest = principal × rate × time.
Estimates based on your inputs — not financial advice.
What this tool does
Interest = principal × rate × time. Results can be copied or downloaded from this page.
Related tools
- Ratio CalculatorSimplify ratios and scale them to a target total.
- Tile CalculatorTiles needed for a floor or wall with waste factor.
- Newton’s Second Law CalculatorCalculate force from mass and acceleration.
- Gear Ratio CalculatorCalculate gear ratio from driver and driven tooth counts.
- Mechanical Safety Factor CalculatorCalculate factor of safety from strength and applied stress.
- Second Derivative Power Calculatorcalculus second derivative power rule