◈ CalcMint
We mint the numbers. You make the money.
A mint is where money gets made — CalcMint is where the math behind it gets made. Instant financial calculators for traders and everyday money decisions. No fluff, just clean numbers.
Instant & free
Every calculator runs right in your browser. No accounts, no paywalls, no waiting.
Built for money
Purpose-made for trading and personal finance: futures PnL, liquidation, interest, loans and ROI.
Private by design
Your inputs never leave your device. Nothing is stored, tracked, or sent anywhere.
CalcMint is a free collection of online financial calculators for traders and everyday money decisions. Whether you're working out profit and loss on a Bitcoin futures position, checking a liquidation price, sizing a trade by risk, projecting staking rewards, or comparing a loan, mortgage payment or compound-interest return, CalcMint gives you a fast, accurate answer in seconds. Every tool works in your browser — no downloads, no sign-up, nothing to install.
Calculators
Crypto
Inverse Perpetual PnL
Profit & loss for coin-margined (inverse) BTC perps, shown in both BTC and USD.
Bitcoin FuturesLinear (USDT) Perpetual PnL
Profit & loss for USDT-margined (linear) perpetual futures.
Bitcoin FuturesLiquidation Price
Estimate the liquidation price for an isolated-margin long or short.
Bitcoin FuturesTarget Price (by ROI)
Find the exit price needed to reach a target return on margin.
Risk ManagementPosition Size / Risk
Size a trade from your account risk %, entry and stop-loss.
Risk ManagementAverage Entry / DCA
Weighted average entry price across multiple buys or safety orders.
Spot & YieldSpot Profit
Profit, ROI and final value for a spot buy/sell, including fees.
Spot & YieldStaking Rewards
Projected staking rewards and effective APY from an APR and duration.
On-chain ToolsKYC Address Tracker
Trace which of your Bitcoin UTXOs can be linked back to a KYC exchange by following on-chain transaction history.
General
Compound / APY
Compound growth with optional recurring contributions. Works for any asset.
Everyday MathPercentage
Percent of a number, what percent one number is of another, and percent change.
Everyday MathTip
Tip amount and total, split across any number of people.
Everyday MathDiscount / Sale Price
Sale price and savings from an original price and discount percent.
Loans & InterestLoan / Mortgage Payment
Monthly payment, total interest and total cost for an amortizing loan.
Loans & InterestSimple Interest
Interest and final balance using simple (non-compounding) interest.
InvestingROI
Return on investment, net profit and optional annualized ROI.
InvestingSavings Goal
Monthly amount needed to reach a savings goal by a target date.
InvestingTime to $1 Million
How long each net-worth bracket takes under steady investing — and why the first $100K is the slowest.
HealthBMI
Body Mass Index from weight and height, metric or imperial.
Frequently asked questions
Are the calculators free?
Yes. Every calculator on CalcMint is completely free, with no account, no login and no usage limits.
Is CalcMint only for crypto?
No. The focus is financial calculations — crypto futures and trading tools sit alongside general finance calculators like loans, compound interest, ROI and savings goals.
Do you store my data?
No. All calculations run locally in your browser. Your numbers are never uploaded, saved or shared.
How accurate are the results?
Each tool uses the standard industry formula, shown beneath the calculator. Results are estimates for planning and education — always confirm with your exchange or lender before acting. This is not financial advice.