Cost To Drive 21 Miles
What's the cost to drive 21 miles? Gas cost for driving 21 miles.
Miles driven
Gas price per gallon
$
Fuel efficiency
mpg
Driving 21 miles with a vehicle that gets 30 MPG means you will use 0.7 gallons of gas.
With a gas price of $3.75 / gallon, your total cost will be:
$2.63
How much does it cost in gas to drive 21 miles? What's the cost of a 21 mile road trip?
Note: This just calculates the cost of gas, not maintenance or wear and tear on the car.
This could also be used to estimate the gas costs of driving 21 miles/year or driving 21 miles over the life of the car. Add up the total miles that you expect to drive and then compare that to a more fuel efficient car to see the possible savings or costs.
Cost to drive 21 miles
| MPG | $2 a gallon | $3 a gallon | $4 a gallon | $5 a gallon |
|---|---|---|---|---|
| 1 MPG | $42.00 | $63.00 | $84.00 | $105 |
| 2 MPG | $21.00 | $31.50 | $42.00 | $52.50 |
| 3 MPG | $14.00 | $21.00 | $28.00 | $35.00 |
| 4 MPG | $10.50 | $15.75 | $21.00 | $26.25 |
| 5 MPG | $8.40 | $12.60 | $16.80 | $21.00 |
| 6 MPG | $7.00 | $10.50 | $14.00 | $17.50 |
| 7 MPG | $6.00 | $9.00 | $12.00 | $15.00 |
| 8 MPG | $5.25 | $7.88 | $10.50 | $13.13 |
| 9 MPG | $4.67 | $7.00 | $9.33 | $11.67 |
| 10 MPG | $4.20 | $6.30 | $8.40 | $10.50 |
| 11 MPG | $3.82 | $5.73 | $7.64 | $9.55 |
| 12 MPG | $3.50 | $5.25 | $7.00 | $8.75 |
| 13 MPG | $3.23 | $4.85 | $6.46 | $8.08 |
| 14 MPG | $3.00 | $4.50 | $6.00 | $7.50 |
| 15 MPG | $2.80 | $4.20 | $5.60 | $7.00 |
| 16 MPG | $2.63 | $3.94 | $5.25 | $6.56 |
| 17 MPG | $2.47 | $3.71 | $4.94 | $6.18 |
| 18 MPG | $2.33 | $3.50 | $4.67 | $5.83 |
| 19 MPG | $2.21 | $3.32 | $4.42 | $5.53 |
| 20 MPG | $2.10 | $3.15 | $4.20 | $5.25 |
| 21 MPG | $2.00 | $3.00 | $4.00 | $5.00 |
| 22 MPG | $1.91 | $2.86 | $3.82 | $4.77 |
| 23 MPG | $1.83 | $2.74 | $3.65 | $4.57 |
| 24 MPG | $1.75 | $2.63 | $3.50 | $4.38 |
| 25 MPG | $1.68 | $2.52 | $3.36 | $4.20 |
| 26 MPG | $1.62 | $2.42 | $3.23 | $4.04 |
| 27 MPG | $1.56 | $2.33 | $3.11 | $3.89 |
| 28 MPG | $1.50 | $2.25 | $3.00 | $3.75 |
| 29 MPG | $1.45 | $2.17 | $2.90 | $3.62 |
| 30 MPG | $1.40 | $2.10 | $2.80 | $3.50 |
| 31 MPG | $1.35 | $2.03 | $2.71 | $3.39 |
| 32 MPG | $1.31 | $1.97 | $2.63 | $3.28 |
| 33 MPG | $1.27 | $1.91 | $2.55 | $3.18 |
| 34 MPG | $1.24 | $1.85 | $2.47 | $3.09 |
| 35 MPG | $1.20 | $1.80 | $2.40 | $3.00 |
| 36 MPG | $1.17 | $1.75 | $2.33 | $2.92 |
| 37 MPG | $1.14 | $1.70 | $2.27 | $2.84 |
| 38 MPG | $1.11 | $1.66 | $2.21 | $2.76 |
| 39 MPG | $1.08 | $1.62 | $2.15 | $2.69 |
| 40 MPG | $1.05 | $1.58 | $2.10 | $2.63 |
| 41 MPG | $1.02 | $1.54 | $2.05 | $2.56 |
| 42 MPG | $1.00 | $1.50 | $2.00 | $2.50 |
| 43 MPG | $0.98 | $1.47 | $1.95 | $2.44 |
| 44 MPG | $0.95 | $1.43 | $1.91 | $2.39 |
| 45 MPG | $0.93 | $1.40 | $1.87 | $2.33 |
| 46 MPG | $0.91 | $1.37 | $1.83 | $2.28 |
| 47 MPG | $0.89 | $1.34 | $1.79 | $2.23 |
| 48 MPG | $0.88 | $1.31 | $1.75 | $2.19 |
| 49 MPG | $0.86 | $1.29 | $1.71 | $2.14 |
| 50 MPG | $0.84 | $1.26 | $1.68 | $2.10 |
| 51 MPG | $0.82 | $1.24 | $1.65 | $2.06 |
| 52 MPG | $0.81 | $1.21 | $1.62 | $2.02 |
| 53 MPG | $0.79 | $1.19 | $1.58 | $1.98 |
| 54 MPG | $0.78 | $1.17 | $1.56 | $1.94 |
| 55 MPG | $0.76 | $1.15 | $1.53 | $1.91 |
| 56 MPG | $0.75 | $1.13 | $1.50 | $1.88 |
| 57 MPG | $0.74 | $1.11 | $1.47 | $1.84 |
| 58 MPG | $0.72 | $1.09 | $1.45 | $1.81 |
| 59 MPG | $0.71 | $1.07 | $1.42 | $1.78 |
| 60 MPG | $0.70 | $1.05 | $1.40 | $1.75 |
| 61 MPG | $0.69 | $1.03 | $1.38 | $1.72 |
| 62 MPG | $0.68 | $1.02 | $1.35 | $1.69 |
| 63 MPG | $0.67 | $1.00 | $1.33 | $1.67 |
| 64 MPG | $0.66 | $0.98 | $1.31 | $1.64 |
| 65 MPG | $0.65 | $0.97 | $1.29 | $1.62 |
| 66 MPG | $0.64 | $0.95 | $1.27 | $1.59 |
| 67 MPG | $0.63 | $0.94 | $1.25 | $1.57 |
| 68 MPG | $0.62 | $0.93 | $1.24 | $1.54 |
| 69 MPG | $0.61 | $0.91 | $1.22 | $1.52 |
| 70 MPG | $0.60 | $0.90 | $1.20 | $1.50 |
| 71 MPG | $0.59 | $0.89 | $1.18 | $1.48 |
| 72 MPG | $0.58 | $0.88 | $1.17 | $1.46 |
| 73 MPG | $0.58 | $0.86 | $1.15 | $1.44 |
| 74 MPG | $0.57 | $0.85 | $1.14 | $1.42 |
| 75 MPG | $0.56 | $0.84 | $1.12 | $1.40 |
| 76 MPG | $0.55 | $0.83 | $1.11 | $1.38 |
| 77 MPG | $0.55 | $0.82 | $1.09 | $1.36 |
| 78 MPG | $0.54 | $0.81 | $1.08 | $1.35 |
| 79 MPG | $0.53 | $0.80 | $1.06 | $1.33 |
| 80 MPG | $0.53 | $0.79 | $1.05 | $1.31 |
| 81 MPG | $0.52 | $0.78 | $1.04 | $1.30 |
| 82 MPG | $0.51 | $0.77 | $1.02 | $1.28 |
| 83 MPG | $0.51 | $0.76 | $1.01 | $1.27 |
| 84 MPG | $0.50 | $0.75 | $1.00 | $1.25 |
| 85 MPG | $0.49 | $0.74 | $0.99 | $1.24 |
| 86 MPG | $0.49 | $0.73 | $0.98 | $1.22 |
| 87 MPG | $0.48 | $0.72 | $0.97 | $1.21 |
| 88 MPG | $0.48 | $0.72 | $0.95 | $1.19 |
| 89 MPG | $0.47 | $0.71 | $0.94 | $1.18 |
| 90 MPG | $0.47 | $0.70 | $0.93 | $1.17 |
| 91 MPG | $0.46 | $0.69 | $0.92 | $1.15 |
| 92 MPG | $0.46 | $0.68 | $0.91 | $1.14 |
| 93 MPG | $0.45 | $0.68 | $0.90 | $1.13 |
| 94 MPG | $0.45 | $0.67 | $0.89 | $1.12 |
| 95 MPG | $0.44 | $0.66 | $0.88 | $1.11 |
| 96 MPG | $0.44 | $0.66 | $0.88 | $1.09 |
| 97 MPG | $0.43 | $0.65 | $0.87 | $1.08 |
| 98 MPG | $0.43 | $0.64 | $0.86 | $1.07 |
| 99 MPG | $0.42 | $0.64 | $0.85 | $1.06 |
| 100 MPG | $0.42 | $0.63 | $0.84 | $1.05 |