Speed Distance Time Calculator

Your Go-To Tool for Quick Answers

This speed distance time calculator gives clear answers fast. Enter any two values to get the third. Pick speed, distance, or time in the menu. Select units for each field. Click Calculate for an instant result.

How It Works

Formula: Speed = Distance ÷ Time

The calculator converts your inputs to standard units. Speed uses meters per second. Distance uses meters. Time uses seconds. It then shows the answer in your chosen units. Results round to two decimals. Enter positive numbers for all inputs.

• Calculate menu. Choose speed, distance, or time.
• Speed field. Enter a number when you solve distance or time. Use kilometers per hour km/h. Or meters per second m/s. Or miles per hour mph.
• Distance field. Enter a number when you solve speed or time. Use kilometers km. Or meters m. Or miles.
• Time field. Enter a number when you solve speed or distance. Use hours. Or minutes. Or seconds.
• Calculate. Click to get the result with units.
• Clear. Click to reset all fields.

Step-by-Step Instructions

1. Open the menu and choose speed, distance, or time.
2. Type values in the other two fields.
3. Select the correct unit for each value.
4. Use numbers greater than zero.
5. Click Calculate.
6. Read the result and the formula line.
7. Click Clear to start fresh.

Why Use This Speed Distance Time Calculator?

You get fast, accurate results with clean units. The tool handles the conversions for you. It works well for class, training, or travel. Enter two values, then solve the rest. Simple and consistent every time.

Here is how to read the output. A bold line shows the result and units. A second line shows the formula with your inputs. The solved field fills with the answer. Numbers display with two decimals.

Real-World Benefits

Use it for quick checks and plans. These examples show what to expect.

• Distance 10 km and time 30 minutes gives speed 20.00 km/h.
• Speed 6 mph and time 45 minutes gives distance 4.50 miles.
• Speed 100 km/h and distance 250 km gives time 2.50 hours.
• Run 5 km in 25 minutes to see speed 12.00 km/h.
• Cycle 12 miles in 40 minutes to see speed 18.00 mph.

Notes and limits

• Enter positive values only.
• Pick one unit per field.
• Use decimals for mixed time like 1.5 hours.
• The calculation assumes constant speed during the period.
• One mile equals 1609.34 meters.
• Meters per second times 3.6 gives kilometers per hour.
• Meters per second times 2.23694 gives miles per hour.

Final Thoughts

Use this speed distance time calculator for quick, reliable results. Pick what to solve and enter two values. Choose units and press Calculate. Get clear numbers and move on with your day.