| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| eratosthenes calculation circumference earth | 1.26 | 0.4 | 8699 | 26 | 44 |
| eratosthenes | 0.37 | 0.8 | 7823 | 17 | 12 |
| calculation | 1.31 | 1 | 7260 | 32 | 11 |
| circumference | 1.44 | 0.5 | 1029 | 19 | 13 |
| earth | 1.68 | 1 | 4710 | 57 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| eratosthenes calculation circumference earth | 1.19 | 0.2 | 2698 | 12 |
| eratosthenes to measure earth's circumference | 0.16 | 0.9 | 6861 | 50 |
| how did eratosthenes calculate size of earth | 1.09 | 0.7 | 2481 | 27 |
| when did eratosthenes calculate circumference | 1.29 | 0.5 | 60 | 73 |
| eratosthenes radius of earth | 0.3 | 0.5 | 7155 | 50 |
| eratosthenes determined the size of earth | 1.81 | 0.5 | 3330 | 25 |
| eratosthenes measurement of earth | 0.18 | 0.2 | 2090 | 55 |
| how eratosthenes measured earth | 0.28 | 0.4 | 8832 | 54 |
| eratosthenes measured the radius of earth by | 1.62 | 0.4 | 7974 | 60 |
| eratosthenes estimates the size of the earth | 1.61 | 0.5 | 121 | 74 |
| eratosthenes size of earth | 0.8 | 0.7 | 8435 | 79 |
| how eratosthenes measured the size of earth | 1.6 | 0.9 | 3228 | 27 |
| eratosthenes earth is round | 1.89 | 0.4 | 3455 | 75 |
| how did eratosthenes measure the earth | 1.88 | 0.9 | 9815 | 94 |
| eratosthenes shows earth is round | 1.12 | 0.7 | 3699 | 35 |
