Tools
One page, one job.
Calculator
401k per paycheck to max calculator 2026
Set your 401(k) percent per remaining 2026 paycheck to hit the IRS max. Catch-up, true-up vs front-load match, and paychecks left. Runs in your browser.
Marketplace
AbeBooks seller fee calculator
Free AbeBooks seller fee calculator. Compare Basic ($1 + 15%/10%) vs Premium (8% capped at $40 + 5.5% processing + $25–$500/month) per sale and per month, with break-even and price-for-profit.
Marketplace
Alibris seller fee calculator
Free Alibris seller fee calculator. 15% commission (min $0.50, $60 flat over $400), partner-channel 20% or 15% + $0.25, Basic $1 per item vs Gold monthly fee, and the $1.75 closing fee on your shipping credit. See what you keep and when Gold pays off.
Marketplace
Alt marketplace fee calculator
Free Alt marketplace fee calculator. Fixed-price seller fees by price band and Alt Rewards tier (14% to 4%), auction seller bonus (104% to 115%), the $250 price cliff, vault fees, and the same card on eBay.
Marketplace
Biblio seller fee calculator
Free Biblio seller fee calculator. Compare Option A ($5/mo + 12% + $0.25 closing) vs Option B ($15+/mo + 8%, min $0.50) with the $40 commission cap and 5.5% + $0.20 processing, plan break-even, and your keep vs AbeBooks and PangoBooks.
Marketplace
Bonanza seller fee calculator
Free Bonanza seller fee calculator. FOV = item + shipping over $10; 11%+ final value fee (May 2025), $0.50 min, optional $0.25 transaction, $4k / 1.5% cliff, ad tiers. Runs in your browser.
Marketplace
Brick Owl seller fee calculator
Free Brick Owl seller fee calculator. 2.65% commission on items only (no shipping, no non-import tax), plus PayPal or Stripe on the full payment. Compare your keep with BrickLink and see when the monthly bill kicks in.
Marketplace
BrickLink seller fee calculator
Free BrickLink seller fee calculator. Tiered 3% / 2% / 1% fee per order batch on items only, plus PayPal or Stripe processing on the full payment incl. tax. See the split-order effect and your profit.
Marketplace
Chairish seller fee calculator
Free Chairish seller fee calculator. Compare Consignor 40%, Professional 30%, Premium 25%, Plus 22%, and Elite tiered 20%/12%/3% commissions on vintage vs newly made. Runs in your browser.
Marketplace
COMC seller fee calculator
Free COMC seller fee calculator. Per-card intake fee, 5% transaction fee, the 10% cash-out fee, storage, and every auction option side by side. See what a card really nets in cash, and whether it's worth consigning at all.
Marketplace
Curtsy seller fee calculator
Free Curtsy seller fee calculator. $1 + 5% selling fee, 2.9% processing, free-shipping label by weight ($4.95–$12.95), free vs buyer-pays shipping compare, imported-listing switch check, and list price for a target payout.
Marketplace
Depop fee calculator
Free Depop fee calculator for US sellers. 0% selling fee, 3.3% + $0.45 processing on item + shipping + tax, optional 12% Boost. Runs in your browser.
Marketplace
Discogs seller fee calculator
Free Discogs seller fee calculator. US: 9% on item + shipping, $0.10 minimum, $150 maximum. Optional PayPal processing. Cap cliff for high-value vinyl. Runs in your browser.
Marketplace
eBay Promoted Listings fee calculator
Free eBay Promoted Listings fee calculator. See the General ad fee on the total sale (item + shipping + tax), profit after final value fees, your break-even and target-margin ad rate, what the rate is worth if some sales would have happened anyway, Priority CPC vs General, and ad fees lost on returns. US rates.
Marketplace
eBay Store subscription break-even calculator
Free eBay Store break-even calculator. Compare No Store, Starter, Basic, Premium and Anchor on subscription + final value fees + insertion overage, see the cheapest plan, and the sales or listings each tier needs to pay for itself. US rates.
Marketplace
Etsy fee calculator
Free Etsy fee calculator for US sellers. Listing $0.20, 6.5% transaction, 3% + $0.25 processing, optional Offsite Ads. Runs in your browser.
Marketplace
Facebook Marketplace fee calculator
Free Facebook Marketplace fee calculator. Local pickup $0; shipped checkout 10% of item + shipping + tax with $0.80 minimum. Side-by-side local vs shipped keep. Runs in your browser.
Marketplace
Faire seller fee calculator
Free Faire seller fee calculator for North America brands. Compare marketplace first order (15% + $10), reorders (15%), and Faire Direct (0%) with next-day, 30-day, or 60-day payout processing. Runs in your browser.
Marketplace
Fanatics Collect seller fee calculator
Free Fanatics Collect seller fee calculator. Buy Now 6% or 12% against Card Ladder value, the Great Price line, Weekly Auction seller bonus (0% to 15%), cash vs FanCash payout, vault fees, and the same card on eBay, Alt and MySlabs.
Marketplace
Fashionphile consignment fee calculator
Free Fashionphile consignment fee calculator. 30% up to $3,000 and 15% above, cash vs store credit +10% vs wire −$50, consign vs buyout quote, markdown scenario, and the sale price you need for a target payout.
Marketplace
GOAT seller fee calculator
Free GOAT seller fee calculator for US sellers. Rating-based commission 9.5%–25%, $0 drop-off or $5 prepaid seller fee, optional 2.9% cash-out. Runs in your browser.
Marketplace
Grailed seller fee calculator
Free Grailed seller fee calculator. 6% under $120 (min $1.99) or 9% at $120+, plus Stripe processing. Grailed Label vs buyer shipping. Runs in your browser.
Calculator
Hours and minutes to decimal calculator
Convert hours and minutes to decimal hours for payroll. Paste a timesheet, round by the 7-minute rule, get a weekly total. Runs in your browser.
Calculator
Hydronic system volume calculator (gallons)
Add up US hydronic system gallons from Type L/M copper, PEX, baseboard, boiler, and buffer. Then get glycol concentrate for a 30% or 50% mix. Runs in your browser.
Marketplace
LEGO selling fees comparison calculator
Free LEGO selling fees comparison calculator. Put one sale through BrickLink, Brick Owl, eBay and Facebook Marketplace side by side, with each site's real fee base, PayPal or Stripe, and the eBay price you'd need to match.
Marketplace
Mercari selling fee calculator
Free Mercari selling fee calculator for US sellers. Flat 10% on item price + buyer-paid shipping. Optional Instant Pay $3. Runs in your browser.
Marketplace
MySlabs seller fee calculator
Free MySlabs seller fee calculator. The current 3% seller fee plus 3.49% + $0.49 processing on the whole payment, including shipping and sales tax. See your payout, profit and how it compares with eBay and COMC.
Marketplace
Newegg Marketplace commission fee calculator
Free Newegg Marketplace commission fee calculator. Category rates 8%/10%/12%, $0.29 order fee, Non-Elite $0.99/SKU vs Professional $49.95 and Enterprise $99.95 break-even, and new-seller 6% for 90 days.
Marketplace
Newegg SBN fulfillment fee calculator
Free Newegg Shipped by Newegg (SBN) fulfillment fee calculator. Size-tier weight handling, dim weight ÷166, Elite Professional 5% / Enterprise 8% discounts, Jan–Sep vs Oct–Dec storage, Free Shipping Enabler, and optional Marketplace commission stack.
Marketplace
OfferUp seller fee calculator
Free OfferUp seller fee calculator. Shipped sales: 12.9% of item price (shipping excluded), $1.99 minimum. Local pickup: $0. Side-by-side payout and floor cliff. Runs in your browser.
Marketplace
PangoBooks seller fee calculator
Free PangoBooks seller fee calculator. See the 20% sales fee ($0.40 minimum), what you keep, and what a free-shipping offer really costs you once the Media Mail label comes out of your earnings, with a bundle ladder and the lowest safe free-shipping minimum.
Marketplace
Poshmark fee calculator
Free Poshmark fee calculator for US and Canada sellers. $2.95 under $15 or 20% at $15+, shipping discounts, under-$15 cliff warning. Runs in your browser.
Marketplace
Probstein consignment fee calculator
Free Probstein (P123 Auctions) consignment fee calculator. 15% to 5% commission by sale price, $1 fee under $10, Probstein pays eBay fees. Compare with selling on eBay yourself.
Marketplace
Reverb seller fee calculator
Free Reverb seller fee calculator for US sales. 5% selling fee ($0.50 min / $500 max), Reverb Payments 3.19%+$0.49 or Preferred 2.99%+$0.49, optional Bump and cross-border. Runs in your browser.
Marketplace
Shopify transaction fee calculator
Free Shopify transaction fee calculator for US stores. Compare Shopify Payments vs third-party gateways by plan (Basic, Grow, Advanced), online or in-person. See processing, Shopify transaction fee, and take-home. Runs in your browser.
Marketplace
Sideline Swap seller fee calculator
Free Sideline Swap seller fee calculator. New seller 12% vs 10% after 5 sales, $1.99 min / $100 max cliffs, 2.9%+$0.30 processing, optional bump +3%, reverse list-for-net. Runs in your browser.
Marketplace
StockX seller fee calculator
Free StockX seller fee calculator for US Verified Marketplace. Seller levels 9%–7% transaction fee, $5 minimum, plus 3% processing. Runs in your browser.
Marketplace
Swappa seller fee calculator
Free Swappa seller fee calculator. Flat 3% seller fee on Ask Price, PayPal 3.49%+$0.49 or Stripe 2.9%+$0.30 on listing price, Ask vs buyer listing, reverse ask-for-target-net. Runs in your browser.
Marketplace
TCGPlayer seller fee calculator
Free TCGplayer seller fee calculator. US Marketplace Level 1–4: 10.75% commission (capped $75/item) + 2.5% + $0.30 transaction. Pro path and high-value cap cliff. Runs in your browser.
Marketplace
The RealReal consignment fee calculator
Free The RealReal consignment fee calculator. See what you keep on clothing vs branded fine jewelry by Net Selling Price band, loyalty tier, and cash vs site credit vs check. Runs in your browser.
Marketplace
ThredUp seller fee calculator
Free ThredUp seller fee calculator. Compare Clean Out keep-% bands (3%–80%) plus Standard/Premium bag fees vs Direct Listing 0% keep-all. Band cliffs and bag amortization. Runs in your browser.
Marketplace
Vestiaire Collective seller fee calculator
Free Vestiaire Collective seller fee calculator for US self-list sales. See the $83 floor cliff, 12% mid-band, $2,000 high-band cap, and 3% processing (min $3). Runs in your browser.
Marketplace
Vinted seller fee calculator
Free Vinted seller fee calculator (US). 0% seller commission; model Buyer Protection ($0.70 + 5%) on the buyer total, free-shipping absorption, and optional bump cost. Runs in your browser.
Marketplace
Walmart Marketplace referral fee calculator
Free Walmart Marketplace referral fee calculator. Every contract category from Walmart's 2026 fee schedule, shipping counted in the total sales price, price-threshold traps (Apparel $15/$20, Baby and Beauty $10, Grocery $15, Outdoor Power Tools $500), category compare, and the price you need for a target payout.
Marketplace
Walmart WFS fee calculator
Free Walmart WFS fee calculator. Shipping weight with dim weight (÷139) and the 0.25 lb packing add, 2026 fulfillment tiers from $3.45, apparel/hazmat/under-$10/oversize add-ons, storage, return fees, and WFS vs ship-it-yourself per unit.
Marketplace
Whatnot seller fee calculator
Free Whatnot seller fee calculator for US sellers. 8% commission on the sold price (4% coins and pallets), 2.9% + $0.30 processing on checkout. Optional $1,500 high-value cap. Runs in your browser.