Plain Tools
Small calculators and converters that load fast and stay out of your way. Everything runs in your browser.
Tools
- Unit Converter 10 categories, 80+ units
- Profit Margin Calculator margin, markup and selling price
- HEIC to JPG Converter batch, private, no upload
- Hourly to Salary Calculator hourly, monthly, annual pay
- Military Time Converter 24-hour ↔ AM/PM, full chart
Popular conversions
Temperature
Length
- Centimeters to Inches
- Inches to Centimeters
- Millimeters to Inches
- Inches to Millimeters
- Meters to Feet
- Feet to Meters
- Kilometers to Miles
- Miles to Kilometers
- Inches to Feet
- Feet to Inches
- Meters to Yards
- Yards to Meters
- Centimeters to Feet
- Feet to Centimeters
- Millimeters to Centimeters
- Centimeters to Millimeters
- Meters to Inches
- Inches to Meters
Weight
Volume
- Milliliters to Fluid ounces (US)
- Fluid ounces (US) to Milliliters
- Liters to Gallons (US)
- Gallons (US) to Liters
- Milliliters to Cups (US)
- Cups (US) to Milliliters
- Tablespoons (US) to Teaspoons (US)
- Teaspoons (US) to Tablespoons (US)
- Cups (US) to Fluid ounces (US)
- Fluid ounces (US) to Cups (US)
- Tablespoons (US) to Milliliters
- Milliliters to Tablespoons (US)
- Teaspoons (US) to Milliliters
- Milliliters to Teaspoons (US)
- Liters to Fluid ounces (US)
- Fluid ounces (US) to Liters