4 converters. Amperes per meter, kiloamperes per meter and oersteds, each with the formula and the math worked out with your numbers.
1 Oe = 79.58 A/m
1,000 A/m = 12.57 Oe
100 Oe = 7.96 kA/m
80 kA/m = 1,005.31 Oe