Jagex charges £3.59 for an Old School Bond. The in-game cost of an Old School Bond is 2,587,686gp, with a live buy price of 2,818,275gp. Each bond is 14 days, so 2 bonds will get you a month membership, totalling 5,636,550gp.
That's the equivalent of 187,885gp a day! This means that 1m = £1.27 (£3.59 / (2818274.8 / 1000000).
|Price per Month (£)||Price per Day (£)||Price per Month (gp)||Price per Day (gp)|
|Old School Bond||£7.18 (2 bonds = 1 month)||£0.26||5,636,550gp||187,885gp|