| Key features | - Live results as you type with no submit button or page reload
- Exact decimal arithmetic with no rounding drift
- Converts in both directions: milligrams to grams and grams to milligrams
- Includes micrograms as a first-class unit in the full mcg to mg to g chain
- Privacy by design with calculations running entirely in browser
- Results display up to ten decimal places with at least four significant digits for small values
- Copy button to place full equation on clipboard
- Common values quick-access chips for frequent conversions
| - Country-specific calculators for US, UK, Canada, Australia, New Zealand, South Africa, Ireland, Germany, and Netherlands
- Annual rate guides with tax-year specificity
- Free downloadable log templates in Excel, Google Sheets, and PDF
- Source citations linking calculations to IRS, HMRC, CRA, and ATO publications
- Support for multiple vehicle types and mileage purposes
- Miles and kilometers input support
- Reimbursement policy and form templates
- Direct monitoring of government rate changes and updates
|
|---|
| What makes it different | - Exact results using SI definitions with no approximation or rounding error
- Entirely free with no account, paywall, usage limit or installation required
- Nothing sent to servers: all calculations run in your browser for complete privacy
- Educational guides explaining practical contexts where these units matter
| - Official source citations on every rate and calculation
- No affiliate relationships or commercial sponsorships influencing calculations
- Single workflow from rate lookup to estimate to recordkeeping
- Tax-year specific rates updated annually from official government sources
|
|---|
Milligrams to Grams