Free trading calculators
Good trading starts with knowing what a trade can cost you, and these 53 calculators work that out before you click buy. The first groups cover position size, stops, win rates, prop firm rules and long-term returns; further down are tools for the other ways traders earn online, from websites to freelance work. Everything runs in your browser and nothing you type is sent anywhere.
Trade size and risk
Size positions, set stops and test whether a trading method pays over hundreds of trades.
- Position Size Calculator Get the share count for a trade from your account, risk percentage, entry and stop, with a cap on oversized positions.
- Stop Loss Calculator Place a stop that keeps your loss inside budget, and compare it with ATR and percentage stops on the same trade.
- Risk Reward Ratio Calculator From entry, stop and target, get the reward-to-risk ratio, the win rate needed to break even and the average profit per trade.
- Win Rate Calculator Measure your trading win rate, see how far it can be trusted with a confidence range, and compare it with the rate you need.
- Win Rate and Risk Reward Calculator Map which pairs of win rate and reward to risk are profitable, with your expectancy and a full break-even grid.
- Trade Expectancy Calculator Get the average profit of one trade, your profit factor and a monthly figure, and see which change improves your edge most.
- Drawdown Recovery Calculator Find the gain needed to win back a trading loss and the months it takes, by trading alone or with fresh deposits.
- Average True Range Calculator Paste high, low and close prices to get true range and ATR, then volatility-based stops and position size.
- Bollinger Bands Calculator Paste closing prices to get upper, middle and lower bands, %B and bandwidth, with squeezes flagged.
- Stock Gap Calculator Measure an opening gap in dollars, percent and ATR, classify it, and map the fill levels with fade and follow trade odds.
- Trading Dice Roll Simulator Roll your win rate and payoff over hundreds of trades for a thousand traders, and see how much luck moves the result.
- Trade Log Generator Paste your trades and get a clean journal with P&L, running balance, win rate, profit factor, drawdown and a CSV download.
- Trader Profit and Loss Statement Generator Turn trading gains, losses, other income and every expense into a proper P&L with net profit and a tax estimate.
- Is My Broker Regulated Checker Score how safe your broker is: the strength of its regulator, a step-by-step licence check and the warning signs to watch for.
Forex and day trading accounts
Lots, pips, margin, buying power and the rules that come with a small account.
- Lot Size Calculator Turn a forex lot size into units, pip value and required margin in dollars, for majors, crosses and gold.
- Forex Position Size Calculator Get the lots to trade from balance, risk percentage and a stop in pips, for dollar pairs, yen pairs, crosses and gold.
- Trading Account Size Calculator Find the capital needed for an income goal, for trading your setups safely and for the US day trading minimum.
- PDT Rule Calculator See how many day trades remain in your five-day window under the pattern day trader rule, and whether the next one flags you.
- Day Trading Buying Power Calculator Work out intraday and overnight buying power from equity and maintenance margin, and the shares it lets you buy.
Prop firm challenges
Work through funded-account rules before you pay a challenge fee.
- Prop Firm Challenge Calculator Run thousands of simulated challenges with your stats to get your pass chance, how attempts fail and whether the fee pays off.
- Prop Firm Comparison Tool Line up three prop firm offers on fee, target, drawdown and split, simulated with your trading, and rank them by expected value.
- Prop Firm Drawdown Calculator Find your breach level and remaining room under static, intraday trailing and end-of-day trailing drawdown rules.
- Prop Firm Risk Calculator Set a risk per trade that a bad day or losing run cannot turn into a rule breach, then convert it to contracts or lots.
Investing and crypto
Long-term growth, returns, recoveries and the effect of buying a little at a time.
- Stock Profit Calculator Find the profit, return and yearly return on a share trade after commissions and tax, plus your break-even sale price.
- Dividend Adjusted Return Calculator Measure a dividend stock's full return, price change plus taxed dividends, taken as cash or reinvested, per year.
- XIRR Calculator Get the true yearly return on an investment with deposits and withdrawals on different dates, next to the simple return.
- Asset Allocation Calculator Get a stocks, bonds and cash split for your age, timeline and risk appetite, plus the trades needed to rebalance.
- Rule of 72 Calculator Estimate doubling time or the rate needed to double by a set date, and check how close the shortcut gets to the exact figure.
- How Long to Double My Money Calculator Find the date your money doubles in dollars and in buying power, counting monthly saving, tax and inflation.
- Bear Market Recovery Calculator See how long a portfolio takes to climb back after a market crash, and the price of selling at the low and waiting.
- Bitcoin Profit Calculator Work out what a bitcoin trade really made after exchange fees on both sides and tax, plus the price you need to break even.
- Crypto ROI Calculator Total the return on up to four coins with staking rewards, convert it to a yearly rate and compare it with safer options.
- Bitcoin DCA Calculator Simulate buying a set amount of bitcoin every week or month on a price path you design, and compare it with a lump sum.
Website and blog income
Estimate what a site earns from display ads, affiliate links and everything else it sells.
- Website Ad Revenue Calculator See side by side what AdSense, Ezoic, Mediavine and Raptive would pay for your traffic, and which ones will take your site.
- AdSense Earnings Calculator Go from daily pageviews, ad slots, CPM and clicks to your page RPM and AdSense income per day, month and year.
- Ezoic Earnings Calculator Estimate Ezoic revenue per visit, allow for the weaker first weeks of testing, and find the month it overtakes your current ads.
- Mediavine Earnings Calculator Project Mediavine income from sessions, session RPM and reader location, with a year-long forecast that follows ad seasons.
- Raptive Earnings Calculator Estimate Raptive income from pageviews and page RPM, and compare it with what your site earns from ads now.
- How Much Can a Blog Make Calculator Combine ad income, affiliate sales, sponsorships and your own products, take off costs, and see a blog's monthly profit.
- Affiliate Marketing Income Calculator Trace visitors to clicks, sales and commission, net of refunds and with recurring payouts, to get monthly affiliate income and EPC.
Creators and social media
Put numbers on views, followers and downloads before you pitch a brand or plan a channel.
- YouTube RPM Calculator Get from advertiser CPM to the RPM you are paid, and estimate a month of income from long videos and Shorts.
- YouTube Monetization Checker Compare your channel with the Partner Program thresholds and see how many months away monetization is at your current growth.
- Facebook Content Monetization Earnings Calculator Estimate payouts from reels, long videos, photos and text posts, and find the format that earns the most per view.
- Facebook Page Value Calculator Value a Facebook page on its earnings: real reach, engagement, sponsor rates and monetization, times a profit multiple.
- Instagram Influencer Rate Calculator Price brand deals for posts, reels and stories from your followers, engagement and niche, including usage rights and exclusivity.
- Podcast Sponsorship Calculator Work out sponsor income from downloads per episode, the CPM for each ad slot, how many slots sell and agency fees.
Freelance work and your time
Price client work properly and find out what an hour of your time is really worth.
- Freelance Hourly Rate Calculator Start from the salary you want to pay yourself and get the hourly, daily and per-project price that covers it.
- Freelance Rate Calculator Quote one project four ways, hourly, daily, fixed and value-based, and compare what each pays per real hour once it overruns.
- How Much Do I Make an Hour Calculator Turn a salary into an hourly figure, then find the true hourly wage once tax, unpaid overtime, commuting and job costs are counted.
- How Much Is My Time Worth Calculator Find the money value of one hour of your time and check which chores are cheaper to pay someone else for.
- Side Hustle Income Calculator See what a side gig really leaves you each month and per hour, after fees, costs and tax, next to your main job.
Marketing returns
Check whether the money going into ads and leads is coming back.