Kalkmi Online calculators
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Calculator descriptions

XIRR Calculator — Actual Investment Return

Calculate annualised investment return from actual dated deposits, withdrawals and holding value. Paste cash flows and inspect ambiguous XIRR results.

Yarn Calculator

Estimate blanket yarn from a weighed swatch, preview repeating stripes, subtract partial balls and print a colour-by-colour shopping list.

pH Calculator

Calculate ideal equilibrium pH for strong or weak acids and bases or conjugate buffers. Explore dilution with a curve that includes the contribution of water.

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Kalkmi online calculators

Kalkmi helps you calculate VAT, loans, mortgages, percentages, and more.

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This experimental service has no accuracy warranty. Calculator values are never sent; only limited anonymous visit statistics are used.