Easy guide to metrication
100g is almost 4oz (1/4lb)
1/2kg or 500g is a little more than 1lb (16oz)
1kg is just over 2lb
5ml is almost 1 teaspoon (1 tsp)
10ml is almost 1 dessertspoon (1 dsp)
15ml is almost 1 tablespoon (1tbsp)

100g is almost 4oz (1/4lb)