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# Best Free Online Calculators in 2026

By [Ashley Miryori (@ashley2)](https://listium.com/@ashley2)

9 views · 0 likes · 0 followers  
Published 13 November 2026 · Updated 13 November 2026

Category: finance / personal finance

Miryori is a free online calculator library with 29 tools across 9 languages — generation, roman numerals, amortization, CAGR vs APY and more.

## Items

### 1. [Age Calculator: compute exact age in years, months and days from a birth date.](https://listium.com/@ashley2/152159/best-free-online-calculators-in-2026/6/age-calculator-compute-exact-age-in-years-months-and-days-from-a-birth-date)

Item ID: `6`

- Automatic Link: Open
- Notes: -

### 2. [Unit Conversion Calculator: convert length, mass, temperature and volume units.](https://listium.com/@ashley2/152159/best-free-online-calculators-in-2026/5/unit-conversion-calculator-convert-length-mass-temperature-and-volume-units)

Item ID: `5`

- Automatic Link: Open
- Notes: -

### 3. [Percentage Calculator: percentage change, tip, discount and ratio calculations.](https://listium.com/@ashley2/152159/best-free-online-calculators-in-2026/4/percentage-calculator-percentage-change-tip-discount-and-ratio-calculations)

Item ID: `4`

- Automatic Link: Open
- Notes: -

### 4. [CAGR vs APY Calculator: compare compound growth rates and annual percentage yield.](https://listium.com/@ashley2/152159/best-free-online-calculators-in-2026/3/cagr-vs-apy-calculator-compare-compound-growth-rates-and-annual-percentage-yield)

Item ID: `3`

- Automatic Link: Open
- Notes: -

### 5. [Amortization Calculator: loan payment schedule with principal and interest split.](https://listium.com/@ashley2/152159/best-free-online-calculators-in-2026/2/amortization-calculator-loan-payment-schedule-with-principal-and-interest-split)

Item ID: `2`

- Automatic Link: Open
- Notes: -

### 6. [Roman Numerals Converter: convert between Roman numerals and integers up to 3,999,999.](https://listium.com/@ashley2/152159/best-free-online-calculators-in-2026/1/roman-numerals-converter-convert-between-roman-numerals-and-integers-up-to-3999999)

Item ID: `1`

- Automatic Link: Open
- Notes: -

### 7. [Miryori: a free library of 29 online calculators in 9 languages.](https://listium.com/@ashley2/152159/best-free-online-calculators-in-2026/0/miryori-a-free-library-of-29-online-calculators-in-9-languages)

Item ID: `0`

- Automatic Link: Open
- Notes: -