How many altcoin confirmations are equivalent to 6 Bitcoin confirmations?

Compares Proof-of-Work across blockchains by converting hashrates into power consumption (watts), then calculating how many confirmations on each chain equal the same amount of work as 6 Bitcoin confirmations. How are these values calculated?

NameMarket CapHashratePowerEquivalent ConfsEstimated TimeDifference
BTCBitcoin BTC$1.52 TSHA-256 @ 878 EH/s11 GW6 confs1h 6m-
DOGEDogecoin DOGE$14.65 BScrypt @ 2.82 PH/s592 MW1,265 confs22h 8m20x slower
BCHBitcoin Cash BCH$8.89 BSHA-256 @ 6.72 EH/s90 MW964 confs6d 36m131x slower
XMRMonero XMR$6.53 BRandomX @ 5.42 GH/s34 MW11,713 confs15d 23h347x slower
ZECZcash ZEC$5.22 BEquihash @ 15 GH/s50 MW12,716 confs10d 21h237x slower
LTCLitecoin LTC$4.24 BScrypt @ 2.76 PH/s579 MW558 confs22h 37m20x slower
ETCEthereum Classic ETC$1.32 BEtchash @ 190 TH/s390 MW8,840 confs1d 9h30x slower
DASHDash DASH$433.19 MX11 @ 4.35 PH/s6.98 MW43,352 confs78d 6h1,700x slower
QRLQuantum Resistant Ledger QRL$108.75 MRandomX @ 95 MH/s603 KW1,302,016 confs2y 174d19,638x slower
RVNRavencoin RVN$97.28 MKawPow @ 2.68 TH/s13 MW59,637 confs41d 9h899x slower
CKBNervos Network CKB$73.27 MEaglesong @ 135 PH/s6.59 MW608,527 confs82d 21h1,800x slower
ETIEtica ETI$269,849RandomX @ 452 KH/s2.85 KW1,717,917 confs525y 169d4,165,667x slower
FRENFrencoin FREN$73,721KawPow @ 996 MH/s4.91 KW320,253,845 confs304y 239d2,415,187x slower