Calculator Widgets for Your Site
Get FREE calculator widgets that you can add to your website!
There's no sign-up required and adding one of our calculators to your site is dead-simple.
Simply preview the widget, copy the embeddable HTML code, then paste into your website editor. We even include some basic instruction to help you through the process.
Browse some of our most popular widgets below.
Automotive
- Auto Loan Calculator
- Carburetor CFM Calculator
- Electric Vehicle Charging Cost Calculator
- Electric Vehicle Charging Time Calculator
- Electric Vehicle Fuel Savings Calculator
- Engine Compression Ratio Calculator
- Engine Displacement Calculator
- Engine Horsepower Calculator
- Engine Torque Calculator
- Fuel Cost Calculator
- Fuel Flow Rate Conversion Calculator
- Fuel Injector Flow Rate Calculator
- Fuel Savings Calculator
- Gas Mileage Calculator
- Kilometers per Liter Fuel Economy Calculator
- Liters per 100 Kilometers Fuel Consumption Calculator
- Speedometer Error Calculator
- Speedometer Gear Calculator
- Tire Comparison Calculator
- Tire Size Calculator
- Tire Size Conversion Calculator
- Wheel Offset Calculator
Cooking & Baking
Driveway
Electrical
- Electricity Cost Calculator
- Lighting Energy Cost Calculator
- Coulomb’s Law Charge Calculator
- LED Resistor Calculator
- Ohm’s Law Calculator
- Parallel Plate Capacitance Calculator
- Parallel Resistance Calculator
- Peak Voltage Calculator
- Peak to Peak Voltage Calculator
- Power Factor Calculator
- Resistor Capacitor Circuit Calculator
- RMS Voltage Calculator
- Series Resistance Calculator
- Voltage Divider Calculator
- Voltage Drop Calculator
- Wire Gauge Calculator
Electrical (Conversion)
- Amp-Hours to Kilowatt-Hours Calculator
- Amps to Horsepower Calculator
- Amps to Kilovolt-Amps Calculator
- Amps to Kilowatts Calculator
- Amps to Volt-Amps Calculator
- Amps to Volts Calculator
- Amps to Watts Calculator
- Capacitance to Charge Calculator
- Charge to Capacitance Calculator
- Horsepower to Amps Calculator
- Horsepower to Kilovolt-Amps Calculator
- Joules to Volts Calculator
- Joules to Watts Calculator
- Kilovolt-Amps to Amps
- Kilovolt-Amps to Horsepower Calculator
- Kilovolt-Amps to Kilowatts Calculator
- Kilovolt-Amps to Volt-Amps Calculator
- Kilovolt-Amps to Watts Calculator
- Kilowatt-Hours to Amp-Hours Calculator
- Kilowatt-Hours to Kilowatts Calculator
- Kilowatt-Hours to Watts Calculator
- Kilowatts to Amps Calculator
- Kilowatts to Kilovolt-Amps Calculator
- Kilowatts to Kilowatt-Hours Calculator
- Kilowatts to Volt-Amps Calculator
- Milliamp-Hours to Watt-Hours Calculator
- Volts to Amps Calculator
- Volts to Joules Calculator
- Volts to Watts Calculator
- Volt-amps to Amps Calculator
- Volt-Amps to Kilovolt-Amps Calculator
- Volt-amps to Kilowatts Calculator
- Watts to Amps Calculator
- Watts to Joules Calculator
- Watts to Kilovolt-Amps Calculator
- Watts to Kilowatt-Hours Calculator
- Watts to Volts Calculator
- Watt-Hours to Milliamp-Hours Calculator
Flooring
Landscaping
Masonry
Math (Fractions)
- Compare Fractions Calculator
- Decimal to Fraction Calculator
- Fraction Calculator
- Fraction to Decimal Calculator
- Fraction to Mixed Number Calculator
- Fraction to Percent Calculator
- Fraction to Ratio Calculator
- Mixed Number to Fraction Calculator
- Order Fractions Calculator
- Reduce Fractions Calculator
- Solve For Unknown Fraction Calculator
Math (Geometry)
Math (Other)
Math (Percentage)
- Decimal to Percent Calculator
- Percent Change Calculator
- Percent Decrease Calculator
- Percent Difference Calculator
- Percent Error Calculator
- Percent Increase Calculator
- Percent to Decimal Calculator
- Percent to Fraction Calculator
- Percent to Ratio Calculator
- Percent to Total Calculator
- Percentage Calculator
- Percentage of a Percentage Calculator
Math (Ratio)
Measurement
Other
- American Flag Size Calculator
- Aquarium Tank Volume Calculator
- Aquarium Tank Weight Calculator
- Aspect Ratio Calculator
- Child Height Prediction Calculator
- Density Calculator
- Flow Rate Calculator
- Pace and Distance Calculator
- Ice Rink Volume Calculator
- Metal Weight Calculator
- Percent Off Calculator
- Ping Pong Ball Swimming Pool Fill Calculator
- Pool Volume Calculator
- Sale and Discount Price Calculator
- Snow Water Equivalent Calculator
- Snow Weight Calculator
- Steps to Distance Calculator
- Tank Volume Calculator
- TV Size and Viewing Distance Calculator
- Water Velocity Calculator
- Water Weight Calculator
- Height Converter
- Freight Class Calculator
- Dimensional Shipping Weight Calculator
Plumbing & HVAC
Roofing
Siding
Time
- Add Times Calculator
- Age Calculator
- Cat Age Calculator
- Dog Age Calculator
- Hours to HH:MM:SS Time Calculator
- Minutes to HH:MM:SS Time Calculator
- Seconds to HH:MM:SS Time Calculator
- Subtract Times Calculator
- Time to Decimal Calculator
- Time to Hours Calculator
- Time to Minutes Calculator
- Time to Seconds Calculator