Observed arrival · 2026-09-30
OSRSCalc: calculators for the grind
A free suite of Old School RuneScape calculators for drop odds, dry streaks, XP goals, combat levels, and GP per hour.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Old School RuneScape players planning grinds
- Worth noticing
- The page says preset rates come from the OSRS Wiki, with check dates; it also says each calculator shows a formula and worked example.
Field notes
The page says preset rates come from the official OSRS Wiki and records when they were checked; it names 2026-09-30 as the latest check for most rates. Each calculator is said to show its formula and a worked example, while calculations run in the browser. Results can be copied or shared, and users can choose a preset or enter a custom drop rate.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue