Selling Price
—
📈
Compound Interest Calculator — Final Amount & APY
See how a single deposit grows with compound interest. Pick how often the interest compounds — daily for crypto/stocks, monthly for HYSAs, quarterly for bonds.
$0.00
per unit
Gross profit per unit
—
Gross margin %
—
Markup % is profit / cost. Margin % is profit / selling price. They are not the same.
Markup % is profit / cost. Margin % is profit / selling price. They are not the same.
How compounding frequency matters
A 5% rate compounded daily yields 5.1267% APY; compounded monthly it is 5.116%; annually, 5.0%. The difference is small at low rates, but at 20% or higher, daily compounding can add 0.5-1% extra per year. For practical purposes, monthly is the right default for most savings accounts.
How this calculator works
How to set prices with markup
Start from your cost, add target markup to cover overhead and profit. Compare your resulting margin to industry benchmarks to ensure your pricing is competitive and sustainable.
📈
Compound Interest Calculator — Final Amount & APY
See how a single deposit grows with compound interest. Pick how often the interest compounds — daily for crypto/stocks, monthly for HYSAs, quarterly for bonds.
$0.00
per unit
Selling Price
—
Gross profit per unit
—
Gross margin %
—
Markup % is profit / cost. Margin % is profit / selling price. They are not the same.
Markup % is profit / cost. Margin % is profit / selling price. They are not the same.
How compounding frequency matters
A 5% rate compounded daily yields 5.1267% APY; compounded monthly it is 5.116%; annually, 5.0%. The difference is small at low rates, but at 20% or higher, daily compounding can add 0.5-1% extra per year. For practical purposes, monthly is the right default for most savings accounts.
How this calculator works
How to set prices with markup
Start from your cost, add target markup to cover overhead and profit. Compare your resulting margin to industry benchmarks to ensure your pricing is competitive and sustainable.