Weights and Measures 
RULES FOR THE CONVERSION OF WEIGHTS AND MEASURES. 
W eights. — 
Grains to grams: Take 6 per cent, and add 8 per cent. 
Grams to grains: Multiply by 15, then increase result by 
3 per cent. 
Ounces to grams: Multiply by 28, then increase result by 
1% per cent. 
Grams to ounces: Take 3 per cent, and increase it by 
1/6 + (5 per cent of 1/6). 
Pounds to kilos: Take 40 per cent, and increase it by 
10 per cent + (1/3 of 10 per cent). 
‘Kilos to pounds: Multiply by 2, then increase result by 
10 per cent + (2 per cent of 10 per cent). 
Lengths. — 
Inches to centimeters: Multiply by 2, then increase result 
by 25 per cent + (8 per cent of 25 per cent). 
Centimeters to inches: Take 40 per cent, and diminish it 
by 1% per cent. 
Yards to meters: Take 70 per cent, and increase it by 
30 per cent + (2 per cent of 30 per cent). 
Meters to yards: Add 9 per cent and 4 per cent of 9 per 
cent. 
Fluid Measures.— 
Pints to liters: Take 40 per cent, and increase it by 40 per 
cent + (5 per cent of 40 per cent). 
Liters to pints: Multiply by 2, and diminish result by 
12 per cent. 
Example: Required the number of grams equal to 15.432 
grains: 
360 
oh 
