Interpreting+Pearson's+r

The interpretation of a correlation coefficient depends on the context and purposes. A correlation of 0.9 may be very low if one is verifying a physical law using high-quality instruments, but may be regarded as very high in the social sciences where there may be a greater contribution from complicating factors.

0.00 and 0.30 ||  The strength of the relationship is weak  || r can also be negative, showing a negative association/correlation. If a number increases on one axis the number will decrease on the other axis.
 * Value ||  Strength  ||
 * If the value is between
 * 0.31 and 0.60 ||  Moderate  ||
 * Above 0.60 ||  Strong  ||