Unofficial fan tool · Online since July 2026
Terramine Calculator
The original TerraMine calculator, live since July 2026. Model your passive rent from Rock, Coal, Gold and Diamond mines — with upgrade levels and the Rent Rewards ×20 ad boost.
Per Hour
$0.000000
Per Day
$0.0000
Per Month
$0.00
Per Year
$0.00
Your mines
MineCountAvg level (0–100)
Rock
Common · 60%
Effective count: 0.00Hourly: $0.000000Monthly: $0.0000
Coal
Uncommon · 30%
Effective count: 0.00Hourly: $0.000000Monthly: $0.0000
Gold
Rare · 9%
Effective count: 0.00Hourly: $0.000000Monthly: $0.0000
Diamond
Epic · 1%
Effective count: 0.00Hourly: $0.000000Monthly: $0.0000
Earnings breakdown by mine type
Share of your total monthly rent contributed by each mine type — not the number of mines you own.
- Rock0.0%
- Coal0.0%
- Gold0.0%
- Diamond0.0%
Total mines
0
Boost
×20
Your avg / mine (boosted)
—
Avg new mine (unboosted)
$0.00353/mo
Related Terramine tools
- Terramine Mine Upgrades Guide
Rock, Coal, Gold & Diamond upgrade costs, epic level math, minigames, and the fastest path to max rent.
- Enter the Terramine Giveaway
Free daily entry plus bonus entries. Provably fair drawings for Terramine prizes.
- Past Giveaway Winners
Browse previous Terramine Calculator winners with provably-fair server seeds and selection proofs.
- Save Your Calculator Setup
Sign in to sync your mines, upgrade levels, and boost settings across devices.