gas-forecaster

The Smart Contract Deployment Cost Calculator.

Go from uncertainty to a precise financial forecast. See the exact USD cost of deploying a contract or calling a function across multiple networks before you spend a cent.

Install for Free

Plan Your Finances with Precision


$ forecast deploy ./contracts/MyNFT.sol --networks ethereum,polygon,arbitrum

✅ Forecast complete for MyNFT.sol
Deployment Cost Analysis:
------------------------------------------------------------------
| Network    | Gas Price | Gas Units   | Est. Fee       | Est. USD Cost |
|------------|-----------|-------------|----------------|---------------|
| Ethereum   | 25 Gwei   | 1,500,000   | 0.0375 ETH     | $131.25       |
| Polygon    | 40 Gwei   | 1,500,000   | 0.06 MATIC     | $0.05         |
| Arbitrum   | 0.1 Gwei  | 1,500,000   | 0.00015 ETH    | $0.52         |
------------------------------------------------------------------
Note: Costs are real-time estimates and may vary slightly.

Free vs. Pro

Feature	Free Tier	Pro Tier
Core Deployment Cost Forecast	✅	✅
Multi-Network Comparison	✅	✅
Contract Size Limit Warnings	✅	✅
Full Contract Gas Report (All Functions)	❌	✅
Historical Gas Price Forecasting	❌	✅
CI/CD Integration & Gas Budgeting	❌	✅

Get Started

Install the tool and forecast your first deployment in seconds.


# 1. Install gas-forecaster
curl -sSL https://download.blocktools.dev/install.sh | sh -s -- gas-forecaster

# 2. Forecast a deployment across multiple networks
forecast deploy ./path/to/Contract.sol --networks ethereum,polygon